./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-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 0d7ece5c4a9a1765b3b43243827c3f464d1b8786fc999bf2c8e86adac4d3a79a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 01:49:54,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 01:49:55,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 01:49:55,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 01:49:55,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 01:49:55,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 01:49:55,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 01:49:55,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 01:49:55,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 01:49:55,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 01:49:55,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 01:49:55,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 01:49:55,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 01:49:55,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 01:49:55,114 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 01:49:55,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 01:49:55,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 01:49:55,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 01:49:55,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 01:49:55,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 01:49:55,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 01:49:55,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 01:49:55,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 01:49:55,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 01:49:55,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 01:49:55,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 01:49:55,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 01:49:55,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 01:49:55,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 01:49:55,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 01:49:55,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 01:49:55,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 01:49:55,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:49:55,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 01:49:55,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 01:49:55,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 01:49:55,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 01:49:55,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 01:49:55,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 01:49:55,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 01:49:55,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 01:49:55,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 01:49:55,125 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d7ece5c4a9a1765b3b43243827c3f464d1b8786fc999bf2c8e86adac4d3a79a [2024-10-24 01:49:55,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 01:49:55,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 01:49:55,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 01:49:55,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 01:49:55,428 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 01:49:55,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-24 01:49:56,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 01:49:57,202 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 01:49:57,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-24 01:49:57,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47837f033/09dac1edb96b4d03b613e2bb795143b8/FLAG1b77d3491 [2024-10-24 01:49:57,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47837f033/09dac1edb96b4d03b613e2bb795143b8 [2024-10-24 01:49:57,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 01:49:57,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 01:49:57,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 01:49:57,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 01:49:57,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 01:49:57,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:49:57" (1/1) ... [2024-10-24 01:49:57,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6faf8f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:57, skipping insertion in model container [2024-10-24 01:49:57,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:49:57" (1/1) ... [2024-10-24 01:49:57,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 01:49:57,894 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33192,33205] [2024-10-24 01:49:57,967 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47557,47570] [2024-10-24 01:49:57,999 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54728,54741] [2024-10-24 01:49:58,014 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58287,58300] [2024-10-24 01:49:58,027 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61647,61660] [2024-10-24 01:49:58,076 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76934,76947] [2024-10-24 01:49:58,097 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[84100,84113] [2024-10-24 01:49:58,108 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87654,87667] [2024-10-24 01:49:58,116 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[91009,91022] [2024-10-24 01:49:58,126 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[95142,95155] [2024-10-24 01:49:58,133 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98563,98576] [2024-10-24 01:49:58,142 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[102117,102130] [2024-10-24 01:49:58,150 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105472,105485] [2024-10-24 01:49:58,159 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[109226,109239] [2024-10-24 01:49:58,166 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112596,112609] [2024-10-24 01:49:58,174 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116131,116144] [2024-10-24 01:49:58,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:49:58,239 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 01:49:58,344 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33192,33205] [2024-10-24 01:49:58,373 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47557,47570] [2024-10-24 01:49:58,389 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54728,54741] [2024-10-24 01:49:58,397 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58287,58300] [2024-10-24 01:49:58,405 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61647,61660] [2024-10-24 01:49:58,438 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76934,76947] [2024-10-24 01:49:58,452 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[84100,84113] [2024-10-24 01:49:58,459 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87654,87667] [2024-10-24 01:49:58,466 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[91009,91022] [2024-10-24 01:49:58,475 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[95142,95155] [2024-10-24 01:49:58,482 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98563,98576] [2024-10-24 01:49:58,489 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[102117,102130] [2024-10-24 01:49:58,496 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105472,105485] [2024-10-24 01:49:58,503 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[109226,109239] [2024-10-24 01:49:58,510 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112596,112609] [2024-10-24 01:49:58,517 WARN L248 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_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116131,116144] [2024-10-24 01:49:58,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:49:58,616 INFO L204 MainTranslator]: Completed translation [2024-10-24 01:49:58,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58 WrapperNode [2024-10-24 01:49:58,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 01:49:58,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 01:49:58,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 01:49:58,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 01:49:58,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,793 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5786 [2024-10-24 01:49:58,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 01:49:58,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 01:49:58,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 01:49:58,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 01:49:58,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,881 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 01:49:58,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:58,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:59,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 01:49:59,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 01:49:59,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 01:49:59,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 01:49:59,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (1/1) ... [2024-10-24 01:49:59,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:49:59,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:49:59,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 01:49:59,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 01:49:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 01:49:59,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 01:49:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 01:49:59,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 01:49:59,315 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 01:49:59,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 01:50:02,255 INFO L? ?]: Removed 1024 outVars from TransFormulas that were not future-live. [2024-10-24 01:50:02,255 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 01:50:02,339 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 01:50:02,339 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 01:50:02,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:50:02 BoogieIcfgContainer [2024-10-24 01:50:02,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 01:50:02,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 01:50:02,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 01:50:02,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 01:50:02,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:49:57" (1/3) ... [2024-10-24 01:50:02,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d26cb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:50:02, skipping insertion in model container [2024-10-24 01:50:02,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:49:58" (2/3) ... [2024-10-24 01:50:02,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d26cb75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:50:02, skipping insertion in model container [2024-10-24 01:50:02,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:50:02" (3/3) ... [2024-10-24 01:50:02,350 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-24 01:50:02,366 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 01:50:02,366 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-24 01:50:02,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 01:50:02,476 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;@4d78ea03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 01:50:02,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-24 01:50:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 1109 states, 1092 states have (on average 1.8287545787545787) internal successors, (1997), 1108 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:50:02,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:02,508 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:02,509 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:02,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1232435330, now seen corresponding path program 1 times [2024-10-24 01:50:02,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:02,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776294669] [2024-10-24 01:50:02,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:03,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:03,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776294669] [2024-10-24 01:50:03,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776294669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:03,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:03,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:50:03,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567894818] [2024-10-24 01:50:03,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:03,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:50:03,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:03,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:50:03,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:50:03,192 INFO L87 Difference]: Start difference. First operand has 1109 states, 1092 states have (on average 1.8287545787545787) internal successors, (1997), 1108 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:04,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:04,600 INFO L93 Difference]: Finished difference Result 1821 states and 3174 transitions. [2024-10-24 01:50:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:50:04,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-24 01:50:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:04,635 INFO L225 Difference]: With dead ends: 1821 [2024-10-24 01:50:04,639 INFO L226 Difference]: Without dead ends: 1247 [2024-10-24 01:50:04,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:04,649 INFO L432 NwaCegarLoop]: 835 mSDtfsCounter, 5731 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5731 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:04,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5731 Valid, 1174 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:50:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2024-10-24 01:50:04,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1143. [2024-10-24 01:50:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1127 states have (on average 1.354924578527063) internal successors, (1527), 1142 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1527 transitions. [2024-10-24 01:50:04,750 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1527 transitions. Word has length 71 [2024-10-24 01:50:04,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:04,751 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1527 transitions. [2024-10-24 01:50:04,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:04,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1527 transitions. [2024-10-24 01:50:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:50:04,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:04,755 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:04,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 01:50:04,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:04,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:04,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1527450296, now seen corresponding path program 1 times [2024-10-24 01:50:04,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:04,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563480444] [2024-10-24 01:50:04,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:04,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:05,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563480444] [2024-10-24 01:50:05,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563480444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:05,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:05,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:50:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374799449] [2024-10-24 01:50:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:05,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:50:05,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:05,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:50:05,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:50:05,019 INFO L87 Difference]: Start difference. First operand 1143 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:05,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:05,515 INFO L93 Difference]: Finished difference Result 1434 states and 1917 transitions. [2024-10-24 01:50:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:50:05,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-24 01:50:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:05,519 INFO L225 Difference]: With dead ends: 1434 [2024-10-24 01:50:05,519 INFO L226 Difference]: Without dead ends: 841 [2024-10-24 01:50:05,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:05,522 INFO L432 NwaCegarLoop]: 393 mSDtfsCounter, 2381 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2381 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:05,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2381 Valid, 413 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:50:05,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-24 01:50:05,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2024-10-24 01:50:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 825 states have (on average 1.3745454545454545) internal successors, (1134), 840 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1134 transitions. [2024-10-24 01:50:05,581 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1134 transitions. Word has length 71 [2024-10-24 01:50:05,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:05,582 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1134 transitions. [2024-10-24 01:50:05,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1134 transitions. [2024-10-24 01:50:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:50:05,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:05,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:05,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 01:50:05,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:05,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:05,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2115552032, now seen corresponding path program 1 times [2024-10-24 01:50:05,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:05,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994573277] [2024-10-24 01:50:05,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:05,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:05,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:05,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994573277] [2024-10-24 01:50:05,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994573277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:05,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:05,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:50:05,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821229129] [2024-10-24 01:50:05,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:05,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:50:05,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:05,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:50:05,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:50:05,740 INFO L87 Difference]: Start difference. First operand 841 states and 1134 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:06,049 INFO L93 Difference]: Finished difference Result 1051 states and 1408 transitions. [2024-10-24 01:50:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:50:06,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-24 01:50:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:06,052 INFO L225 Difference]: With dead ends: 1051 [2024-10-24 01:50:06,053 INFO L226 Difference]: Without dead ends: 611 [2024-10-24 01:50:06,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:06,055 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 1647 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:06,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 327 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:50:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-10-24 01:50:06,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2024-10-24 01:50:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 595 states have (on average 1.3831932773109243) internal successors, (823), 610 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 823 transitions. [2024-10-24 01:50:06,067 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 823 transitions. Word has length 71 [2024-10-24 01:50:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:06,068 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 823 transitions. [2024-10-24 01:50:06,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 823 transitions. [2024-10-24 01:50:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 01:50:06,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:06,070 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:06,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 01:50:06,071 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:06,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:06,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1156366953, now seen corresponding path program 1 times [2024-10-24 01:50:06,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:06,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209250155] [2024-10-24 01:50:06,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:06,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:06,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:06,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209250155] [2024-10-24 01:50:06,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209250155] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:06,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:06,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:50:06,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143847675] [2024-10-24 01:50:06,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:06,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:50:06,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:06,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:50:06,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:50:06,208 INFO L87 Difference]: Start difference. First operand 611 states and 823 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:06,445 INFO L93 Difference]: Finished difference Result 904 states and 1229 transitions. [2024-10-24 01:50:06,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:50:06,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-24 01:50:06,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:06,448 INFO L225 Difference]: With dead ends: 904 [2024-10-24 01:50:06,448 INFO L226 Difference]: Without dead ends: 550 [2024-10-24 01:50:06,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:06,450 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 1491 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:06,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 304 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:06,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-10-24 01:50:06,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2024-10-24 01:50:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3970037453183521) internal successors, (746), 549 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 746 transitions. [2024-10-24 01:50:06,465 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 746 transitions. Word has length 72 [2024-10-24 01:50:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:06,465 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 746 transitions. [2024-10-24 01:50:06,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 746 transitions. [2024-10-24 01:50:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 01:50:06,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:06,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:06,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 01:50:06,467 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:06,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1186891401, now seen corresponding path program 1 times [2024-10-24 01:50:06,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:06,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716504696] [2024-10-24 01:50:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:06,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:06,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:06,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716504696] [2024-10-24 01:50:06,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716504696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:06,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:06,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:50:06,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791193364] [2024-10-24 01:50:06,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:06,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:50:06,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:06,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:50:06,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:50:06,618 INFO L87 Difference]: Start difference. First operand 550 states and 746 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:06,894 INFO L93 Difference]: Finished difference Result 824 states and 1124 transitions. [2024-10-24 01:50:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:50:06,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-24 01:50:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:06,897 INFO L225 Difference]: With dead ends: 824 [2024-10-24 01:50:06,897 INFO L226 Difference]: Without dead ends: 542 [2024-10-24 01:50:06,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:06,898 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 1414 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:06,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 279 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:50:06,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-24 01:50:06,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2024-10-24 01:50:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.397338403041825) internal successors, (735), 541 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 735 transitions. [2024-10-24 01:50:06,910 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 735 transitions. Word has length 73 [2024-10-24 01:50:06,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:06,910 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 735 transitions. [2024-10-24 01:50:06,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 735 transitions. [2024-10-24 01:50:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 01:50:06,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:06,912 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:06,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 01:50:06,912 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:06,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash -117023922, now seen corresponding path program 1 times [2024-10-24 01:50:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806818738] [2024-10-24 01:50:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:07,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:07,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806818738] [2024-10-24 01:50:07,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806818738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:07,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:07,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:50:07,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383582741] [2024-10-24 01:50:07,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:07,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:07,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:07,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:07,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:07,257 INFO L87 Difference]: Start difference. First operand 542 states and 735 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:07,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:07,857 INFO L93 Difference]: Finished difference Result 1044 states and 1397 transitions. [2024-10-24 01:50:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:50:07,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-10-24 01:50:07,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:07,861 INFO L225 Difference]: With dead ends: 1044 [2024-10-24 01:50:07,861 INFO L226 Difference]: Without dead ends: 770 [2024-10-24 01:50:07,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:50:07,863 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 940 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:07,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 1021 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:07,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-10-24 01:50:07,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 542. [2024-10-24 01:50:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3954372623574145) internal successors, (734), 541 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 734 transitions. [2024-10-24 01:50:07,878 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 734 transitions. Word has length 74 [2024-10-24 01:50:07,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:07,878 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 734 transitions. [2024-10-24 01:50:07,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 734 transitions. [2024-10-24 01:50:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 01:50:07,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:07,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:07,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 01:50:07,881 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:07,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:07,885 INFO L85 PathProgramCache]: Analyzing trace with hash 98797326, now seen corresponding path program 1 times [2024-10-24 01:50:07,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:07,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068628664] [2024-10-24 01:50:07,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:07,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:08,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:08,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068628664] [2024-10-24 01:50:08,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068628664] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:08,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:08,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:08,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085174756] [2024-10-24 01:50:08,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:08,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:08,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:08,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:08,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:08,265 INFO L87 Difference]: Start difference. First operand 542 states and 734 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:08,989 INFO L93 Difference]: Finished difference Result 1020 states and 1410 transitions. [2024-10-24 01:50:08,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:08,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-10-24 01:50:08,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:08,995 INFO L225 Difference]: With dead ends: 1020 [2024-10-24 01:50:08,995 INFO L226 Difference]: Without dead ends: 869 [2024-10-24 01:50:08,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:08,997 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 2094 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:08,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 1250 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:09,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-10-24 01:50:09,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 542. [2024-10-24 01:50:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3935361216730038) internal successors, (733), 541 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 733 transitions. [2024-10-24 01:50:09,011 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 733 transitions. Word has length 74 [2024-10-24 01:50:09,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:09,011 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 733 transitions. [2024-10-24 01:50:09,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 733 transitions. [2024-10-24 01:50:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 01:50:09,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:09,014 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:09,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 01:50:09,014 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:09,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2064648218, now seen corresponding path program 1 times [2024-10-24 01:50:09,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:09,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929382969] [2024-10-24 01:50:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:09,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:09,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:09,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929382969] [2024-10-24 01:50:09,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929382969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:09,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:09,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:09,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646609729] [2024-10-24 01:50:09,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:09,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:09,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:09,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:09,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:09,438 INFO L87 Difference]: Start difference. First operand 542 states and 733 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:10,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:10,184 INFO L93 Difference]: Finished difference Result 800 states and 1106 transitions. [2024-10-24 01:50:10,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:10,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-10-24 01:50:10,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:10,187 INFO L225 Difference]: With dead ends: 800 [2024-10-24 01:50:10,187 INFO L226 Difference]: Without dead ends: 610 [2024-10-24 01:50:10,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:10,189 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 958 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:10,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1865 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:10,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-24 01:50:10,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 542. [2024-10-24 01:50:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.391634980988593) internal successors, (732), 541 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 732 transitions. [2024-10-24 01:50:10,203 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 732 transitions. Word has length 74 [2024-10-24 01:50:10,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:10,205 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 732 transitions. [2024-10-24 01:50:10,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 732 transitions. [2024-10-24 01:50:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:50:10,207 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:10,207 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:10,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 01:50:10,207 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:10,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:10,208 INFO L85 PathProgramCache]: Analyzing trace with hash 816302217, now seen corresponding path program 1 times [2024-10-24 01:50:10,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:10,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44881624] [2024-10-24 01:50:10,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:10,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:10,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:10,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44881624] [2024-10-24 01:50:10,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44881624] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:10,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:10,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801161985] [2024-10-24 01:50:10,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:10,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:10,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:10,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:10,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:10,557 INFO L87 Difference]: Start difference. First operand 542 states and 732 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:11,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:11,259 INFO L93 Difference]: Finished difference Result 1039 states and 1431 transitions. [2024-10-24 01:50:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:11,259 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:50:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:11,262 INFO L225 Difference]: With dead ends: 1039 [2024-10-24 01:50:11,262 INFO L226 Difference]: Without dead ends: 869 [2024-10-24 01:50:11,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:50:11,264 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 1915 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:11,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 1446 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:11,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-10-24 01:50:11,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 542. [2024-10-24 01:50:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3878326996197718) internal successors, (730), 541 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 730 transitions. [2024-10-24 01:50:11,275 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 730 transitions. Word has length 76 [2024-10-24 01:50:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:11,275 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 730 transitions. [2024-10-24 01:50:11,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 730 transitions. [2024-10-24 01:50:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:50:11,277 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:11,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:11,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 01:50:11,277 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:11,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:11,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1716231595, now seen corresponding path program 1 times [2024-10-24 01:50:11,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:11,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899341241] [2024-10-24 01:50:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:11,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:11,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:11,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899341241] [2024-10-24 01:50:11,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899341241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:11,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:11,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:11,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339912552] [2024-10-24 01:50:11,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:11,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:11,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:11,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:11,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:11,582 INFO L87 Difference]: Start difference. First operand 542 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:12,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:12,255 INFO L93 Difference]: Finished difference Result 989 states and 1355 transitions. [2024-10-24 01:50:12,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:12,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:50:12,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:12,258 INFO L225 Difference]: With dead ends: 989 [2024-10-24 01:50:12,258 INFO L226 Difference]: Without dead ends: 845 [2024-10-24 01:50:12,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:12,259 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 1505 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:12,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 1419 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:12,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-24 01:50:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 542. [2024-10-24 01:50:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3840304182509506) internal successors, (728), 541 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 728 transitions. [2024-10-24 01:50:12,270 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 728 transitions. Word has length 76 [2024-10-24 01:50:12,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:12,271 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 728 transitions. [2024-10-24 01:50:12,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:12,271 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 728 transitions. [2024-10-24 01:50:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:50:12,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:12,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:12,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 01:50:12,273 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:12,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:12,273 INFO L85 PathProgramCache]: Analyzing trace with hash -694606913, now seen corresponding path program 1 times [2024-10-24 01:50:12,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:12,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923725880] [2024-10-24 01:50:12,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:12,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:12,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923725880] [2024-10-24 01:50:12,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923725880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:12,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:12,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:12,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356564289] [2024-10-24 01:50:12,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:12,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:12,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:12,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:12,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:12,532 INFO L87 Difference]: Start difference. First operand 542 states and 728 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:13,137 INFO L93 Difference]: Finished difference Result 866 states and 1189 transitions. [2024-10-24 01:50:13,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:13,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:50:13,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:13,140 INFO L225 Difference]: With dead ends: 866 [2024-10-24 01:50:13,140 INFO L226 Difference]: Without dead ends: 610 [2024-10-24 01:50:13,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:50:13,142 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 935 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:13,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 1248 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:13,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-24 01:50:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 542. [2024-10-24 01:50:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3802281368821292) internal successors, (726), 541 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 726 transitions. [2024-10-24 01:50:13,152 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 726 transitions. Word has length 76 [2024-10-24 01:50:13,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:13,153 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 726 transitions. [2024-10-24 01:50:13,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:13,153 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 726 transitions. [2024-10-24 01:50:13,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:50:13,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:13,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:13,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 01:50:13,157 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:13,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:13,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1449671967, now seen corresponding path program 1 times [2024-10-24 01:50:13,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:13,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637960839] [2024-10-24 01:50:13,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:13,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:13,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:13,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637960839] [2024-10-24 01:50:13,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637960839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:13,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:13,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:50:13,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9425031] [2024-10-24 01:50:13,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:13,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:50:13,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:13,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:50:13,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:13,714 INFO L87 Difference]: Start difference. First operand 542 states and 726 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:15,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:15,115 INFO L93 Difference]: Finished difference Result 1509 states and 2123 transitions. [2024-10-24 01:50:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:50:15,115 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:50:15,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:15,120 INFO L225 Difference]: With dead ends: 1509 [2024-10-24 01:50:15,121 INFO L226 Difference]: Without dead ends: 1349 [2024-10-24 01:50:15,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:50:15,123 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 3039 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 2173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:15,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 2396 Invalid, 2173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:50:15,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-10-24 01:50:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 546. [2024-10-24 01:50:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3773584905660377) internal successors, (730), 545 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 730 transitions. [2024-10-24 01:50:15,137 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 730 transitions. Word has length 76 [2024-10-24 01:50:15,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:15,137 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 730 transitions. [2024-10-24 01:50:15,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 730 transitions. [2024-10-24 01:50:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:50:15,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:15,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:15,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 01:50:15,139 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:15,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:15,139 INFO L85 PathProgramCache]: Analyzing trace with hash -263935870, now seen corresponding path program 1 times [2024-10-24 01:50:15,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:15,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634326202] [2024-10-24 01:50:15,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:15,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:15,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:15,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634326202] [2024-10-24 01:50:15,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634326202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:15,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:15,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:15,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147343990] [2024-10-24 01:50:15,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:15,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:15,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:15,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:15,446 INFO L87 Difference]: Start difference. First operand 546 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:16,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:16,028 INFO L93 Difference]: Finished difference Result 987 states and 1347 transitions. [2024-10-24 01:50:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:16,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:50:16,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:16,031 INFO L225 Difference]: With dead ends: 987 [2024-10-24 01:50:16,031 INFO L226 Difference]: Without dead ends: 849 [2024-10-24 01:50:16,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:16,032 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 1498 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:16,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1419 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:16,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-10-24 01:50:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 546. [2024-10-24 01:50:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3754716981132076) internal successors, (729), 545 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 729 transitions. [2024-10-24 01:50:16,042 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 729 transitions. Word has length 76 [2024-10-24 01:50:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:16,042 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 729 transitions. [2024-10-24 01:50:16,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 729 transitions. [2024-10-24 01:50:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:50:16,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:16,044 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:16,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 01:50:16,044 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:16,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:16,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1457950665, now seen corresponding path program 1 times [2024-10-24 01:50:16,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:16,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212853757] [2024-10-24 01:50:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:16,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:16,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:16,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212853757] [2024-10-24 01:50:16,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212853757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:16,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:16,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:50:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105782337] [2024-10-24 01:50:16,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:16,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:50:16,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:16,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:50:16,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:16,537 INFO L87 Difference]: Start difference. First operand 546 states and 729 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:17,645 INFO L93 Difference]: Finished difference Result 1387 states and 1937 transitions. [2024-10-24 01:50:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:50:17,645 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:50:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:17,648 INFO L225 Difference]: With dead ends: 1387 [2024-10-24 01:50:17,649 INFO L226 Difference]: Without dead ends: 1249 [2024-10-24 01:50:17,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:50:17,650 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 4230 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4230 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:17,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4230 Valid, 1479 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 01:50:17,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2024-10-24 01:50:17,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 550. [2024-10-24 01:50:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3726591760299625) internal successors, (733), 549 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 733 transitions. [2024-10-24 01:50:17,665 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 733 transitions. Word has length 76 [2024-10-24 01:50:17,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:17,666 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 733 transitions. [2024-10-24 01:50:17,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 733 transitions. [2024-10-24 01:50:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:50:17,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:17,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:17,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 01:50:17,668 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:17,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash -995702185, now seen corresponding path program 1 times [2024-10-24 01:50:17,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:17,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713899016] [2024-10-24 01:50:17,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:18,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:18,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713899016] [2024-10-24 01:50:18,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713899016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:18,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:18,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:18,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462134081] [2024-10-24 01:50:18,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:18,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:18,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:18,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:18,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:18,041 INFO L87 Difference]: Start difference. First operand 550 states and 733 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:18,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:18,822 INFO L93 Difference]: Finished difference Result 983 states and 1341 transitions. [2024-10-24 01:50:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:18,823 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:50:18,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:18,825 INFO L225 Difference]: With dead ends: 983 [2024-10-24 01:50:18,825 INFO L226 Difference]: Without dead ends: 849 [2024-10-24 01:50:18,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:18,828 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 1527 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1527 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:18,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1527 Valid, 1691 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:50:18,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-10-24 01:50:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 550. [2024-10-24 01:50:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3707865168539326) internal successors, (732), 549 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 732 transitions. [2024-10-24 01:50:18,837 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 732 transitions. Word has length 76 [2024-10-24 01:50:18,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:18,837 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 732 transitions. [2024-10-24 01:50:18,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 732 transitions. [2024-10-24 01:50:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 01:50:18,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:18,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:18,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 01:50:18,840 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:18,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:18,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2086473847, now seen corresponding path program 1 times [2024-10-24 01:50:18,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:18,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54005446] [2024-10-24 01:50:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:19,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:19,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54005446] [2024-10-24 01:50:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54005446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:19,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:19,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:19,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384407218] [2024-10-24 01:50:19,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:19,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:19,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:19,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:19,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:19,091 INFO L87 Difference]: Start difference. First operand 550 states and 732 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:19,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:19,942 INFO L93 Difference]: Finished difference Result 1033 states and 1411 transitions. [2024-10-24 01:50:19,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:19,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-10-24 01:50:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:19,945 INFO L225 Difference]: With dead ends: 1033 [2024-10-24 01:50:19,945 INFO L226 Difference]: Without dead ends: 873 [2024-10-24 01:50:19,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:19,946 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 1544 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:19,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 1829 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:50:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-10-24 01:50:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 546. [2024-10-24 01:50:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3716981132075472) internal successors, (727), 545 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 727 transitions. [2024-10-24 01:50:19,956 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 727 transitions. Word has length 77 [2024-10-24 01:50:19,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:19,956 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 727 transitions. [2024-10-24 01:50:19,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 727 transitions. [2024-10-24 01:50:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 01:50:19,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:19,957 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:19,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 01:50:19,959 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:19,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash -774147926, now seen corresponding path program 1 times [2024-10-24 01:50:19,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:19,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335341964] [2024-10-24 01:50:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:19,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:20,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:20,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335341964] [2024-10-24 01:50:20,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335341964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:20,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:20,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:20,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258059563] [2024-10-24 01:50:20,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:20,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:20,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:20,237 INFO L87 Difference]: Start difference. First operand 546 states and 727 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:20,878 INFO L93 Difference]: Finished difference Result 983 states and 1338 transitions. [2024-10-24 01:50:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:20,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-10-24 01:50:20,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:20,881 INFO L225 Difference]: With dead ends: 983 [2024-10-24 01:50:20,881 INFO L226 Difference]: Without dead ends: 845 [2024-10-24 01:50:20,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:20,882 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 1185 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:20,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 1474 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:20,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-24 01:50:20,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 542. [2024-10-24 01:50:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3726235741444868) internal successors, (722), 541 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 722 transitions. [2024-10-24 01:50:20,890 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 722 transitions. Word has length 77 [2024-10-24 01:50:20,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:20,890 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 722 transitions. [2024-10-24 01:50:20,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 722 transitions. [2024-10-24 01:50:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:20,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:20,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:20,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 01:50:20,892 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:20,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:20,893 INFO L85 PathProgramCache]: Analyzing trace with hash 513544580, now seen corresponding path program 1 times [2024-10-24 01:50:20,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:20,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104795977] [2024-10-24 01:50:20,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:20,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:21,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:21,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104795977] [2024-10-24 01:50:21,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104795977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:21,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:21,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:21,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25108967] [2024-10-24 01:50:21,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:21,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:21,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:21,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:21,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:21,165 INFO L87 Difference]: Start difference. First operand 542 states and 722 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:21,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:21,927 INFO L93 Difference]: Finished difference Result 995 states and 1353 transitions. [2024-10-24 01:50:21,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:21,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:21,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:21,930 INFO L225 Difference]: With dead ends: 995 [2024-10-24 01:50:21,930 INFO L226 Difference]: Without dead ends: 845 [2024-10-24 01:50:21,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:21,931 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 1514 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:21,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 1847 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:50:21,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-24 01:50:21,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 542. [2024-10-24 01:50:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3688212927756653) internal successors, (720), 541 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 720 transitions. [2024-10-24 01:50:21,940 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 720 transitions. Word has length 78 [2024-10-24 01:50:21,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:21,940 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 720 transitions. [2024-10-24 01:50:21,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 720 transitions. [2024-10-24 01:50:21,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:21,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:21,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:21,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 01:50:21,942 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:21,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:21,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2002078059, now seen corresponding path program 1 times [2024-10-24 01:50:21,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:21,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891811478] [2024-10-24 01:50:21,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:21,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:22,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:22,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891811478] [2024-10-24 01:50:22,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891811478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:22,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:22,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:22,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993587927] [2024-10-24 01:50:22,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:22,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:22,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:22,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:22,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:22,289 INFO L87 Difference]: Start difference. First operand 542 states and 720 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:23,023 INFO L93 Difference]: Finished difference Result 955 states and 1289 transitions. [2024-10-24 01:50:23,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:23,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:23,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:23,026 INFO L225 Difference]: With dead ends: 955 [2024-10-24 01:50:23,026 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 01:50:23,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:23,027 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 1553 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:23,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 1647 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:23,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 01:50:23,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-10-24 01:50:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3650190114068441) internal successors, (718), 541 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 718 transitions. [2024-10-24 01:50:23,035 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 718 transitions. Word has length 78 [2024-10-24 01:50:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:23,036 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 718 transitions. [2024-10-24 01:50:23,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 718 transitions. [2024-10-24 01:50:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:23,037 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:23,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:23,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 01:50:23,037 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:23,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:23,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1513420061, now seen corresponding path program 1 times [2024-10-24 01:50:23,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:23,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019138355] [2024-10-24 01:50:23,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:23,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:23,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:23,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019138355] [2024-10-24 01:50:23,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019138355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:23,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:23,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:23,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117711348] [2024-10-24 01:50:23,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:23,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:23,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:23,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:23,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:23,269 INFO L87 Difference]: Start difference. First operand 542 states and 718 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:23,988 INFO L93 Difference]: Finished difference Result 1059 states and 1436 transitions. [2024-10-24 01:50:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:23,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:23,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:23,990 INFO L225 Difference]: With dead ends: 1059 [2024-10-24 01:50:23,990 INFO L226 Difference]: Without dead ends: 869 [2024-10-24 01:50:23,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:23,991 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 1111 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:23,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 1675 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:23,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-10-24 01:50:23,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 542. [2024-10-24 01:50:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.361216730038023) internal successors, (716), 541 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 716 transitions. [2024-10-24 01:50:24,000 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 716 transitions. Word has length 78 [2024-10-24 01:50:24,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:24,000 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 716 transitions. [2024-10-24 01:50:24,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 716 transitions. [2024-10-24 01:50:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:24,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:24,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:24,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 01:50:24,002 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:24,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:24,002 INFO L85 PathProgramCache]: Analyzing trace with hash -675860338, now seen corresponding path program 1 times [2024-10-24 01:50:24,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:24,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532316921] [2024-10-24 01:50:24,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:24,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:24,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:24,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532316921] [2024-10-24 01:50:24,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532316921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:24,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:24,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:24,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933047130] [2024-10-24 01:50:24,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:24,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:24,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:24,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:24,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:24,227 INFO L87 Difference]: Start difference. First operand 542 states and 716 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:24,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:24,825 INFO L93 Difference]: Finished difference Result 862 states and 1145 transitions. [2024-10-24 01:50:24,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:24,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:24,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:24,827 INFO L225 Difference]: With dead ends: 862 [2024-10-24 01:50:24,827 INFO L226 Difference]: Without dead ends: 845 [2024-10-24 01:50:24,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:24,828 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 1703 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:24,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 1598 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:24,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-24 01:50:24,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 542. [2024-10-24 01:50:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3574144486692015) internal successors, (714), 541 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 714 transitions. [2024-10-24 01:50:24,836 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 714 transitions. Word has length 78 [2024-10-24 01:50:24,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:24,836 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 714 transitions. [2024-10-24 01:50:24,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 714 transitions. [2024-10-24 01:50:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:24,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:24,837 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:24,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 01:50:24,838 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:24,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:24,838 INFO L85 PathProgramCache]: Analyzing trace with hash 812673141, now seen corresponding path program 1 times [2024-10-24 01:50:24,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:24,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416511855] [2024-10-24 01:50:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:24,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:25,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:25,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416511855] [2024-10-24 01:50:25,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416511855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:25,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:25,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:25,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997787642] [2024-10-24 01:50:25,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:25,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:25,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:25,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:25,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:25,058 INFO L87 Difference]: Start difference. First operand 542 states and 714 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:25,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:25,647 INFO L93 Difference]: Finished difference Result 826 states and 1088 transitions. [2024-10-24 01:50:25,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:25,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:25,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:25,650 INFO L225 Difference]: With dead ends: 826 [2024-10-24 01:50:25,650 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 01:50:25,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:50:25,650 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 1827 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:25,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 1382 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:25,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 01:50:25,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-10-24 01:50:25,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3536121673003803) internal successors, (712), 541 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 712 transitions. [2024-10-24 01:50:25,658 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 712 transitions. Word has length 78 [2024-10-24 01:50:25,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:25,659 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 712 transitions. [2024-10-24 01:50:25,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 712 transitions. [2024-10-24 01:50:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:25,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:25,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:25,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 01:50:25,661 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:25,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:25,661 INFO L85 PathProgramCache]: Analyzing trace with hash 406757360, now seen corresponding path program 1 times [2024-10-24 01:50:25,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:25,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515703052] [2024-10-24 01:50:25,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:25,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:25,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:25,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515703052] [2024-10-24 01:50:25,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515703052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:25,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:25,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:25,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087330508] [2024-10-24 01:50:25,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:25,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:25,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:25,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:25,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:25,934 INFO L87 Difference]: Start difference. First operand 542 states and 712 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:26,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:26,549 INFO L93 Difference]: Finished difference Result 826 states and 1086 transitions. [2024-10-24 01:50:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:26,549 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:26,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:26,551 INFO L225 Difference]: With dead ends: 826 [2024-10-24 01:50:26,551 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 01:50:26,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:26,552 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 1824 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:26,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 1367 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:26,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 01:50:26,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-10-24 01:50:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.349809885931559) internal successors, (710), 541 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 710 transitions. [2024-10-24 01:50:26,563 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 710 transitions. Word has length 78 [2024-10-24 01:50:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:26,563 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 710 transitions. [2024-10-24 01:50:26,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 710 transitions. [2024-10-24 01:50:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:26,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:26,565 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:26,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 01:50:26,565 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:26,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:26,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1340403830, now seen corresponding path program 1 times [2024-10-24 01:50:26,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:26,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130844786] [2024-10-24 01:50:26,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:26,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:26,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:26,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130844786] [2024-10-24 01:50:26,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130844786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:26,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:26,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:26,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006440631] [2024-10-24 01:50:26,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:26,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:26,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:26,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:26,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:26,780 INFO L87 Difference]: Start difference. First operand 542 states and 710 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:27,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:27,358 INFO L93 Difference]: Finished difference Result 951 states and 1272 transitions. [2024-10-24 01:50:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:27,358 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:27,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:27,361 INFO L225 Difference]: With dead ends: 951 [2024-10-24 01:50:27,361 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 01:50:27,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:50:27,362 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 1822 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1822 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:27,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1822 Valid, 1382 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:27,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 01:50:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-10-24 01:50:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3460076045627376) internal successors, (708), 541 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 708 transitions. [2024-10-24 01:50:27,369 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 708 transitions. Word has length 78 [2024-10-24 01:50:27,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:27,370 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 708 transitions. [2024-10-24 01:50:27,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 708 transitions. [2024-10-24 01:50:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:27,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:27,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:27,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 01:50:27,372 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:27,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:27,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1562286502, now seen corresponding path program 1 times [2024-10-24 01:50:27,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680729181] [2024-10-24 01:50:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:27,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:27,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680729181] [2024-10-24 01:50:27,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680729181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:27,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:27,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:27,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339040582] [2024-10-24 01:50:27,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:27,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:27,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:27,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:27,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:27,614 INFO L87 Difference]: Start difference. First operand 542 states and 708 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:28,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:28,222 INFO L93 Difference]: Finished difference Result 952 states and 1271 transitions. [2024-10-24 01:50:28,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:28,223 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:28,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:28,225 INFO L225 Difference]: With dead ends: 952 [2024-10-24 01:50:28,225 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 01:50:28,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:28,226 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 1532 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:28,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1698 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:28,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 01:50:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-10-24 01:50:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.344106463878327) internal successors, (707), 541 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 707 transitions. [2024-10-24 01:50:28,232 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 707 transitions. Word has length 78 [2024-10-24 01:50:28,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:28,233 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 707 transitions. [2024-10-24 01:50:28,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 707 transitions. [2024-10-24 01:50:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:28,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:28,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:28,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 01:50:28,235 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:28,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash 978066431, now seen corresponding path program 1 times [2024-10-24 01:50:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898051989] [2024-10-24 01:50:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:28,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:28,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898051989] [2024-10-24 01:50:28,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898051989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:28,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:28,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:50:28,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051250133] [2024-10-24 01:50:28,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:28,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:50:28,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:28,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:50:28,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:28,637 INFO L87 Difference]: Start difference. First operand 542 states and 707 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:29,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:29,637 INFO L93 Difference]: Finished difference Result 1388 states and 1914 transitions. [2024-10-24 01:50:29,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:50:29,638 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:29,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:29,641 INFO L225 Difference]: With dead ends: 1388 [2024-10-24 01:50:29,641 INFO L226 Difference]: Without dead ends: 1245 [2024-10-24 01:50:29,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:50:29,642 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 3828 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:29,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 2002 Invalid, 1645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:50:29,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-10-24 01:50:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 546. [2024-10-24 01:50:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3415094339622642) internal successors, (711), 545 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 711 transitions. [2024-10-24 01:50:29,650 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 711 transitions. Word has length 78 [2024-10-24 01:50:29,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:29,650 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 711 transitions. [2024-10-24 01:50:29,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 711 transitions. [2024-10-24 01:50:29,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:29,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:29,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:29,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 01:50:29,652 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:29,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:29,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1364256377, now seen corresponding path program 1 times [2024-10-24 01:50:29,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:29,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704744767] [2024-10-24 01:50:29,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:29,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:30,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:30,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704744767] [2024-10-24 01:50:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704744767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:30,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:30,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:50:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513285380] [2024-10-24 01:50:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:30,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:50:30,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:50:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:30,074 INFO L87 Difference]: Start difference. First operand 546 states and 711 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:30,991 INFO L93 Difference]: Finished difference Result 1276 states and 1746 transitions. [2024-10-24 01:50:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:50:30,991 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:30,994 INFO L225 Difference]: With dead ends: 1276 [2024-10-24 01:50:30,994 INFO L226 Difference]: Without dead ends: 1145 [2024-10-24 01:50:30,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:50:30,995 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 3965 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3965 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:30,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3965 Valid, 1702 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:30,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-10-24 01:50:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 550. [2024-10-24 01:50:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3389513108614233) internal successors, (715), 549 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 715 transitions. [2024-10-24 01:50:31,001 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 715 transitions. Word has length 78 [2024-10-24 01:50:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:31,002 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 715 transitions. [2024-10-24 01:50:31,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 715 transitions. [2024-10-24 01:50:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:31,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:31,003 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:31,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 01:50:31,003 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:31,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:31,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2113755607, now seen corresponding path program 1 times [2024-10-24 01:50:31,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:31,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792123624] [2024-10-24 01:50:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:31,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:31,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:31,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792123624] [2024-10-24 01:50:31,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792123624] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:31,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:31,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:31,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029885899] [2024-10-24 01:50:31,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:31,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:31,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:31,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:31,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:31,265 INFO L87 Difference]: Start difference. First operand 550 states and 715 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:31,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:31,785 INFO L93 Difference]: Finished difference Result 953 states and 1270 transitions. [2024-10-24 01:50:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:31,786 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:31,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:31,788 INFO L225 Difference]: With dead ends: 953 [2024-10-24 01:50:31,788 INFO L226 Difference]: Without dead ends: 825 [2024-10-24 01:50:31,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:50:31,789 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 1216 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:31,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 1362 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:50:31,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-24 01:50:31,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 550. [2024-10-24 01:50:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3370786516853932) internal successors, (714), 549 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 714 transitions. [2024-10-24 01:50:31,796 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 714 transitions. Word has length 78 [2024-10-24 01:50:31,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:31,796 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 714 transitions. [2024-10-24 01:50:31,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 714 transitions. [2024-10-24 01:50:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:31,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:31,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:31,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 01:50:31,799 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:31,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:31,799 INFO L85 PathProgramCache]: Analyzing trace with hash 390823278, now seen corresponding path program 1 times [2024-10-24 01:50:31,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:31,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908302531] [2024-10-24 01:50:31,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:31,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:32,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:32,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908302531] [2024-10-24 01:50:32,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908302531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:32,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:32,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:32,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424847898] [2024-10-24 01:50:32,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:32,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:32,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:32,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:32,053 INFO L87 Difference]: Start difference. First operand 550 states and 714 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:32,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:32,579 INFO L93 Difference]: Finished difference Result 830 states and 1081 transitions. [2024-10-24 01:50:32,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:32,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:32,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:32,582 INFO L225 Difference]: With dead ends: 830 [2024-10-24 01:50:32,582 INFO L226 Difference]: Without dead ends: 825 [2024-10-24 01:50:32,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:32,582 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 1822 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1822 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:32,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1822 Valid, 1351 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:50:32,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-24 01:50:32,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 550. [2024-10-24 01:50:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3352059925093633) internal successors, (713), 549 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 713 transitions. [2024-10-24 01:50:32,588 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 713 transitions. Word has length 78 [2024-10-24 01:50:32,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:32,588 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 713 transitions. [2024-10-24 01:50:32,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 713 transitions. [2024-10-24 01:50:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:32,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:32,589 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:32,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 01:50:32,589 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:32,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:32,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1188609875, now seen corresponding path program 1 times [2024-10-24 01:50:32,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:32,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232698391] [2024-10-24 01:50:32,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:32,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:32,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:32,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232698391] [2024-10-24 01:50:32,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232698391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:32,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:32,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:32,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142904577] [2024-10-24 01:50:32,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:32,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:32,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:32,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:32,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:32,858 INFO L87 Difference]: Start difference. First operand 550 states and 713 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:33,412 INFO L93 Difference]: Finished difference Result 953 states and 1267 transitions. [2024-10-24 01:50:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:33,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:33,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:33,415 INFO L225 Difference]: With dead ends: 953 [2024-10-24 01:50:33,415 INFO L226 Difference]: Without dead ends: 825 [2024-10-24 01:50:33,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:33,416 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 1493 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:33,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 1613 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:50:33,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-24 01:50:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 550. [2024-10-24 01:50:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3333333333333333) internal successors, (712), 549 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 712 transitions. [2024-10-24 01:50:33,427 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 712 transitions. Word has length 78 [2024-10-24 01:50:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:33,427 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 712 transitions. [2024-10-24 01:50:33,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 712 transitions. [2024-10-24 01:50:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 01:50:33,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:33,428 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:33,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 01:50:33,429 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:33,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:33,429 INFO L85 PathProgramCache]: Analyzing trace with hash 848969234, now seen corresponding path program 1 times [2024-10-24 01:50:33,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:33,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835951455] [2024-10-24 01:50:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:33,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:33,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:33,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835951455] [2024-10-24 01:50:33,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835951455] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:33,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:33,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:50:33,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474998154] [2024-10-24 01:50:33,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:33,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:50:33,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:33,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:50:33,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:33,822 INFO L87 Difference]: Start difference. First operand 550 states and 712 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:34,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:34,665 INFO L93 Difference]: Finished difference Result 1273 states and 1738 transitions. [2024-10-24 01:50:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:50:34,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-10-24 01:50:34,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:34,668 INFO L225 Difference]: With dead ends: 1273 [2024-10-24 01:50:34,668 INFO L226 Difference]: Without dead ends: 1145 [2024-10-24 01:50:34,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:50:34,670 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 4020 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:34,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 1406 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:34,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-10-24 01:50:34,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 554. [2024-10-24 01:50:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 538 states have (on average 1.3308550185873607) internal successors, (716), 553 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 716 transitions. [2024-10-24 01:50:34,679 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 716 transitions. Word has length 78 [2024-10-24 01:50:34,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:34,680 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 716 transitions. [2024-10-24 01:50:34,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 716 transitions. [2024-10-24 01:50:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 01:50:34,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:34,681 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:34,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 01:50:34,681 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:34,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:34,682 INFO L85 PathProgramCache]: Analyzing trace with hash 888522704, now seen corresponding path program 1 times [2024-10-24 01:50:34,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:34,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431041380] [2024-10-24 01:50:34,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:34,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:34,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:34,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431041380] [2024-10-24 01:50:34,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431041380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:34,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:34,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:34,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611706398] [2024-10-24 01:50:34,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:34,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:34,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:34,904 INFO L87 Difference]: Start difference. First operand 554 states and 716 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:35,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:35,432 INFO L93 Difference]: Finished difference Result 956 states and 1268 transitions. [2024-10-24 01:50:35,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:35,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-24 01:50:35,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:35,434 INFO L225 Difference]: With dead ends: 956 [2024-10-24 01:50:35,434 INFO L226 Difference]: Without dead ends: 825 [2024-10-24 01:50:35,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:35,435 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 1809 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:35,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 1363 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:50:35,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-24 01:50:35,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 550. [2024-10-24 01:50:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3314606741573034) internal successors, (711), 549 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 711 transitions. [2024-10-24 01:50:35,443 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 711 transitions. Word has length 79 [2024-10-24 01:50:35,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:35,443 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 711 transitions. [2024-10-24 01:50:35,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 711 transitions. [2024-10-24 01:50:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 01:50:35,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:35,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:35,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 01:50:35,445 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:35,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:35,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1464004193, now seen corresponding path program 1 times [2024-10-24 01:50:35,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:35,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169123519] [2024-10-24 01:50:35,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:35,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:35,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169123519] [2024-10-24 01:50:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169123519] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:35,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:35,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:35,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811325920] [2024-10-24 01:50:35,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:35,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:35,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:35,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:35,664 INFO L87 Difference]: Start difference. First operand 550 states and 711 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:36,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:36,144 INFO L93 Difference]: Finished difference Result 992 states and 1319 transitions. [2024-10-24 01:50:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:36,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-24 01:50:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:36,146 INFO L225 Difference]: With dead ends: 992 [2024-10-24 01:50:36,146 INFO L226 Difference]: Without dead ends: 849 [2024-10-24 01:50:36,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:36,147 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 1444 mSDsluCounter, 1227 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:36,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 1652 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:50:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-10-24 01:50:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 546. [2024-10-24 01:50:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3320754716981131) internal successors, (706), 545 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 706 transitions. [2024-10-24 01:50:36,154 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 706 transitions. Word has length 79 [2024-10-24 01:50:36,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:36,154 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 706 transitions. [2024-10-24 01:50:36,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 706 transitions. [2024-10-24 01:50:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 01:50:36,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:36,155 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:36,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 01:50:36,155 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:36,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:36,156 INFO L85 PathProgramCache]: Analyzing trace with hash 305777836, now seen corresponding path program 1 times [2024-10-24 01:50:36,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:36,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202262150] [2024-10-24 01:50:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:36,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:36,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:36,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:36,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202262150] [2024-10-24 01:50:36,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202262150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:36,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:36,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:36,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236877892] [2024-10-24 01:50:36,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:36,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:36,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:36,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:36,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:36,376 INFO L87 Difference]: Start difference. First operand 546 states and 706 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:36,911 INFO L93 Difference]: Finished difference Result 949 states and 1259 transitions. [2024-10-24 01:50:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:36,911 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-24 01:50:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:36,913 INFO L225 Difference]: With dead ends: 949 [2024-10-24 01:50:36,913 INFO L226 Difference]: Without dead ends: 821 [2024-10-24 01:50:36,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:36,914 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 1760 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:36,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 1419 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:50:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-24 01:50:36,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-10-24 01:50:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.332699619771863) internal successors, (701), 541 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 701 transitions. [2024-10-24 01:50:36,921 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 701 transitions. Word has length 79 [2024-10-24 01:50:36,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:36,922 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 701 transitions. [2024-10-24 01:50:36,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 701 transitions. [2024-10-24 01:50:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 01:50:36,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:36,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:36,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 01:50:36,924 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:36,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:36,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1401129693, now seen corresponding path program 1 times [2024-10-24 01:50:36,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:36,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729010131] [2024-10-24 01:50:36,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:36,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:37,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:37,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729010131] [2024-10-24 01:50:37,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729010131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:37,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:37,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:37,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38304511] [2024-10-24 01:50:37,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:37,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:37,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:37,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:37,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:37,112 INFO L87 Difference]: Start difference. First operand 542 states and 701 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:37,603 INFO L93 Difference]: Finished difference Result 947 states and 1256 transitions. [2024-10-24 01:50:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:37,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-10-24 01:50:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:37,605 INFO L225 Difference]: With dead ends: 947 [2024-10-24 01:50:37,605 INFO L226 Difference]: Without dead ends: 820 [2024-10-24 01:50:37,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:50:37,605 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 1177 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:37,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 1430 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:50:37,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-10-24 01:50:37,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 541. [2024-10-24 01:50:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3314285714285714) internal successors, (699), 540 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 699 transitions. [2024-10-24 01:50:37,613 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 699 transitions. Word has length 79 [2024-10-24 01:50:37,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:37,613 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 699 transitions. [2024-10-24 01:50:37,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 699 transitions. [2024-10-24 01:50:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 01:50:37,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:37,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:37,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-24 01:50:37,615 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:37,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:37,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1269258616, now seen corresponding path program 1 times [2024-10-24 01:50:37,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:37,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242391394] [2024-10-24 01:50:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:38,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:38,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:38,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242391394] [2024-10-24 01:50:38,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242391394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:38,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:38,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:50:38,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122826050] [2024-10-24 01:50:38,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:38,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:50:38,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:38,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:50:38,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:50:38,205 INFO L87 Difference]: Start difference. First operand 541 states and 699 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:39,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:39,059 INFO L93 Difference]: Finished difference Result 942 states and 1250 transitions. [2024-10-24 01:50:39,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:39,060 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-24 01:50:39,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:39,061 INFO L225 Difference]: With dead ends: 942 [2024-10-24 01:50:39,061 INFO L226 Difference]: Without dead ends: 810 [2024-10-24 01:50:39,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-24 01:50:39,062 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 2385 mSDsluCounter, 2532 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2385 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:39,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2385 Valid, 3018 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:50:39,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-10-24 01:50:39,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 531. [2024-10-24 01:50:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 516 states have (on average 1.3255813953488371) internal successors, (684), 530 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 684 transitions. [2024-10-24 01:50:39,072 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 684 transitions. Word has length 80 [2024-10-24 01:50:39,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:39,073 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 684 transitions. [2024-10-24 01:50:39,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 684 transitions. [2024-10-24 01:50:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 01:50:39,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:39,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:39,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 01:50:39,074 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:39,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1637753759, now seen corresponding path program 1 times [2024-10-24 01:50:39,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:39,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103470021] [2024-10-24 01:50:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:39,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:39,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:39,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103470021] [2024-10-24 01:50:39,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103470021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:39,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:39,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 01:50:39,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314508650] [2024-10-24 01:50:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:39,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 01:50:39,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:39,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 01:50:39,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:50:39,615 INFO L87 Difference]: Start difference. First operand 531 states and 684 transitions. Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:40,314 INFO L93 Difference]: Finished difference Result 1422 states and 1910 transitions. [2024-10-24 01:50:40,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 01:50:40,315 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-24 01:50:40,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:40,316 INFO L225 Difference]: With dead ends: 1422 [2024-10-24 01:50:40,316 INFO L226 Difference]: Without dead ends: 1242 [2024-10-24 01:50:40,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-10-24 01:50:40,317 INFO L432 NwaCegarLoop]: 811 mSDtfsCounter, 2299 mSDsluCounter, 5000 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2299 SdHoareTripleChecker+Valid, 5811 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:40,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2299 Valid, 5811 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:50:40,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-10-24 01:50:40,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 477. [2024-10-24 01:50:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 465 states have (on average 1.3182795698924732) internal successors, (613), 476 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 613 transitions. [2024-10-24 01:50:40,322 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 613 transitions. Word has length 80 [2024-10-24 01:50:40,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:40,323 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 613 transitions. [2024-10-24 01:50:40,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 613 transitions. [2024-10-24 01:50:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 01:50:40,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:40,323 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:40,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-24 01:50:40,324 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:40,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:40,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1080890953, now seen corresponding path program 1 times [2024-10-24 01:50:40,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:40,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238324735] [2024-10-24 01:50:40,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:40,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:40,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238324735] [2024-10-24 01:50:40,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238324735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:40,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:40,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:50:40,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447255261] [2024-10-24 01:50:40,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:40,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:50:40,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:40,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:50:40,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:50:40,806 INFO L87 Difference]: Start difference. First operand 477 states and 613 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:41,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:41,285 INFO L93 Difference]: Finished difference Result 667 states and 898 transitions. [2024-10-24 01:50:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:50:41,286 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-24 01:50:41,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:41,287 INFO L225 Difference]: With dead ends: 667 [2024-10-24 01:50:41,287 INFO L226 Difference]: Without dead ends: 445 [2024-10-24 01:50:41,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-10-24 01:50:41,288 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 1461 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:41,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 2264 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:41,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-10-24 01:50:41,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 381. [2024-10-24 01:50:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 373 states have (on average 1.3190348525469169) internal successors, (492), 380 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 492 transitions. [2024-10-24 01:50:41,292 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 492 transitions. Word has length 80 [2024-10-24 01:50:41,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:41,292 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 492 transitions. [2024-10-24 01:50:41,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 492 transitions. [2024-10-24 01:50:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 01:50:41,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:41,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:41,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-24 01:50:41,294 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1272157338, now seen corresponding path program 1 times [2024-10-24 01:50:41,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472575774] [2024-10-24 01:50:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:41,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:41,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472575774] [2024-10-24 01:50:41,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472575774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:41,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:41,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:50:41,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871673453] [2024-10-24 01:50:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:41,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:50:41,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:41,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:50:41,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:50:41,763 INFO L87 Difference]: Start difference. First operand 381 states and 492 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:42,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:42,298 INFO L93 Difference]: Finished difference Result 714 states and 965 transitions. [2024-10-24 01:50:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:50:42,298 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-24 01:50:42,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:42,299 INFO L225 Difference]: With dead ends: 714 [2024-10-24 01:50:42,299 INFO L226 Difference]: Without dead ends: 584 [2024-10-24 01:50:42,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:50:42,300 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 1989 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:42,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 1377 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:50:42,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-10-24 01:50:42,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 377. [2024-10-24 01:50:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 370 states have (on average 1.3162162162162163) internal successors, (487), 376 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 487 transitions. [2024-10-24 01:50:42,305 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 487 transitions. Word has length 80 [2024-10-24 01:50:42,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:42,305 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 487 transitions. [2024-10-24 01:50:42,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 487 transitions. [2024-10-24 01:50:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 01:50:42,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:42,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:42,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-24 01:50:42,306 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:42,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:42,307 INFO L85 PathProgramCache]: Analyzing trace with hash -659382271, now seen corresponding path program 1 times [2024-10-24 01:50:42,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:42,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359315344] [2024-10-24 01:50:42,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:42,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:42,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:42,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359315344] [2024-10-24 01:50:42,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359315344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:42,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:42,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:50:42,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562431365] [2024-10-24 01:50:42,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:42,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:50:42,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:42,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:50:42,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:42,792 INFO L87 Difference]: Start difference. First operand 377 states and 487 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:43,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:43,171 INFO L93 Difference]: Finished difference Result 651 states and 888 transitions. [2024-10-24 01:50:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:43,172 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-24 01:50:43,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:43,173 INFO L225 Difference]: With dead ends: 651 [2024-10-24 01:50:43,173 INFO L226 Difference]: Without dead ends: 412 [2024-10-24 01:50:43,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-10-24 01:50:43,174 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 952 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:43,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 908 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:50:43,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-24 01:50:43,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 264. [2024-10-24 01:50:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 261 states have (on average 1.3218390804597702) internal successors, (345), 263 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 345 transitions. [2024-10-24 01:50:43,178 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 345 transitions. Word has length 80 [2024-10-24 01:50:43,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:43,178 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 345 transitions. [2024-10-24 01:50:43,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 345 transitions. [2024-10-24 01:50:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 01:50:43,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:43,179 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:43,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-24 01:50:43,179 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:43,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:43,180 INFO L85 PathProgramCache]: Analyzing trace with hash 659418620, now seen corresponding path program 1 times [2024-10-24 01:50:43,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:43,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811637473] [2024-10-24 01:50:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:43,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:43,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:43,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811637473] [2024-10-24 01:50:43,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811637473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:43,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:43,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36520139] [2024-10-24 01:50:43,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:43,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:43,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:43,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:43,361 INFO L87 Difference]: Start difference. First operand 264 states and 345 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:43,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:43,696 INFO L93 Difference]: Finished difference Result 606 states and 832 transitions. [2024-10-24 01:50:43,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:50:43,696 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-24 01:50:43,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:43,697 INFO L225 Difference]: With dead ends: 606 [2024-10-24 01:50:43,697 INFO L226 Difference]: Without dead ends: 450 [2024-10-24 01:50:43,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:50:43,698 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 637 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:43,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 840 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-10-24 01:50:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 264. [2024-10-24 01:50:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 261 states have (on average 1.314176245210728) internal successors, (343), 263 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 343 transitions. [2024-10-24 01:50:43,702 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 343 transitions. Word has length 81 [2024-10-24 01:50:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:43,703 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 343 transitions. [2024-10-24 01:50:43,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 343 transitions. [2024-10-24 01:50:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 01:50:43,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:43,704 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:43,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-24 01:50:43,704 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:43,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:43,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1571841251, now seen corresponding path program 1 times [2024-10-24 01:50:43,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:43,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499771127] [2024-10-24 01:50:43,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:43,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:43,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:43,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499771127] [2024-10-24 01:50:43,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499771127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:43,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:43,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:43,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113968966] [2024-10-24 01:50:43,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:43,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:50:43,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:43,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:50:43,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:50:43,913 INFO L87 Difference]: Start difference. First operand 264 states and 343 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:44,210 INFO L93 Difference]: Finished difference Result 433 states and 580 transitions. [2024-10-24 01:50:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:44,210 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-24 01:50:44,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:44,211 INFO L225 Difference]: With dead ends: 433 [2024-10-24 01:50:44,211 INFO L226 Difference]: Without dead ends: 426 [2024-10-24 01:50:44,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:50:44,212 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 625 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:44,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 995 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:44,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-24 01:50:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 264. [2024-10-24 01:50:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 261 states have (on average 1.3103448275862069) internal successors, (342), 263 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:44,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 342 transitions. [2024-10-24 01:50:44,215 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 342 transitions. Word has length 81 [2024-10-24 01:50:44,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:44,216 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 342 transitions. [2024-10-24 01:50:44,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:44,216 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 342 transitions. [2024-10-24 01:50:44,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-24 01:50:44,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:44,216 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:44,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-24 01:50:44,217 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:44,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:44,217 INFO L85 PathProgramCache]: Analyzing trace with hash -571562505, now seen corresponding path program 1 times [2024-10-24 01:50:44,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:44,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277974239] [2024-10-24 01:50:44,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:44,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:44,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:44,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277974239] [2024-10-24 01:50:44,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277974239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:44,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:44,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:50:44,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564365496] [2024-10-24 01:50:44,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:44,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:50:44,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:50:44,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:50:44,689 INFO L87 Difference]: Start difference. First operand 264 states and 342 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:45,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:45,131 INFO L93 Difference]: Finished difference Result 416 states and 564 transitions. [2024-10-24 01:50:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:50:45,132 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-10-24 01:50:45,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:45,132 INFO L225 Difference]: With dead ends: 416 [2024-10-24 01:50:45,132 INFO L226 Difference]: Without dead ends: 410 [2024-10-24 01:50:45,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:50:45,133 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 890 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:45,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 1712 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:45,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-10-24 01:50:45,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 258. [2024-10-24 01:50:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 256 states have (on average 1.30859375) internal successors, (335), 257 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 335 transitions. [2024-10-24 01:50:45,137 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 335 transitions. Word has length 83 [2024-10-24 01:50:45,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:45,137 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 335 transitions. [2024-10-24 01:50:45,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 335 transitions. [2024-10-24 01:50:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-24 01:50:45,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:45,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:45,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-24 01:50:45,138 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:45,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:45,139 INFO L85 PathProgramCache]: Analyzing trace with hash 762395294, now seen corresponding path program 1 times [2024-10-24 01:50:45,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:45,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134147096] [2024-10-24 01:50:45,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:45,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:46,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:46,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134147096] [2024-10-24 01:50:46,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134147096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:46,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:46,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2024-10-24 01:50:46,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338333077] [2024-10-24 01:50:46,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:46,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-24 01:50:46,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:46,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-24 01:50:46,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2024-10-24 01:50:46,594 INFO L87 Difference]: Start difference. First operand 258 states and 335 transitions. Second operand has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 27 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:48,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:48,517 INFO L93 Difference]: Finished difference Result 282 states and 362 transitions. [2024-10-24 01:50:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-24 01:50:48,517 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 27 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-10-24 01:50:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:48,518 INFO L225 Difference]: With dead ends: 282 [2024-10-24 01:50:48,518 INFO L226 Difference]: Without dead ends: 274 [2024-10-24 01:50:48,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=318, Invalid=2034, Unknown=0, NotChecked=0, Total=2352 [2024-10-24 01:50:48,519 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 569 mSDsluCounter, 2442 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:48,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 2591 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:50:48,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-24 01:50:48,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2024-10-24 01:50:48,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 270 states have (on average 1.3037037037037038) internal successors, (352), 271 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:48,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 352 transitions. [2024-10-24 01:50:48,522 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 352 transitions. Word has length 83 [2024-10-24 01:50:48,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:48,523 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 352 transitions. [2024-10-24 01:50:48,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.074074074074074) internal successors, (83), 27 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 352 transitions. [2024-10-24 01:50:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 01:50:48,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:48,523 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:48,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-24 01:50:48,524 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:48,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:48,524 INFO L85 PathProgramCache]: Analyzing trace with hash -906874595, now seen corresponding path program 1 times [2024-10-24 01:50:48,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:48,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970251711] [2024-10-24 01:50:48,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:48,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:48,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:48,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970251711] [2024-10-24 01:50:48,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970251711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:48,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:48,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 01:50:48,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445533481] [2024-10-24 01:50:48,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:48,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 01:50:48,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:48,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 01:50:48,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 01:50:48,981 INFO L87 Difference]: Start difference. First operand 272 states and 352 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:49,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:49,464 INFO L93 Difference]: Finished difference Result 436 states and 588 transitions. [2024-10-24 01:50:49,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:50:49,464 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-10-24 01:50:49,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:49,465 INFO L225 Difference]: With dead ends: 436 [2024-10-24 01:50:49,465 INFO L226 Difference]: Without dead ends: 421 [2024-10-24 01:50:49,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-24 01:50:49,466 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 840 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:49,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1477 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:49,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-10-24 01:50:49,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 246. [2024-10-24 01:50:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 1.310204081632653) internal successors, (321), 245 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 321 transitions. [2024-10-24 01:50:49,470 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 321 transitions. Word has length 84 [2024-10-24 01:50:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:49,471 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 321 transitions. [2024-10-24 01:50:49,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 321 transitions. [2024-10-24 01:50:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-24 01:50:49,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:49,472 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:49,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-24 01:50:49,472 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:49,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1671719509, now seen corresponding path program 1 times [2024-10-24 01:50:49,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:49,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585406656] [2024-10-24 01:50:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:49,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:49,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585406656] [2024-10-24 01:50:49,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585406656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:49,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:49,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:49,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643702985] [2024-10-24 01:50:49,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:49,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:49,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:49,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:49,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:49,615 INFO L87 Difference]: Start difference. First operand 246 states and 321 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:49,762 INFO L93 Difference]: Finished difference Result 1506 states and 2221 transitions. [2024-10-24 01:50:49,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:50:49,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2024-10-24 01:50:49,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:49,765 INFO L225 Difference]: With dead ends: 1506 [2024-10-24 01:50:49,765 INFO L226 Difference]: Without dead ends: 1380 [2024-10-24 01:50:49,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-10-24 01:50:49,766 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 1803 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:49,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 1150 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:50:49,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2024-10-24 01:50:49,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 370. [2024-10-24 01:50:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 369 states have (on average 1.3712737127371273) internal successors, (506), 369 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 506 transitions. [2024-10-24 01:50:49,774 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 506 transitions. Word has length 110 [2024-10-24 01:50:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:49,774 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 506 transitions. [2024-10-24 01:50:49,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 506 transitions. [2024-10-24 01:50:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 01:50:49,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:49,775 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:49,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-24 01:50:49,775 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:49,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash 238276620, now seen corresponding path program 1 times [2024-10-24 01:50:49,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:49,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723258237] [2024-10-24 01:50:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:49,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:49,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723258237] [2024-10-24 01:50:49,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723258237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:49,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:49,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:49,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879878350] [2024-10-24 01:50:49,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:49,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:49,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:49,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:49,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:49,923 INFO L87 Difference]: Start difference. First operand 370 states and 506 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:50,032 INFO L93 Difference]: Finished difference Result 1746 states and 2567 transitions. [2024-10-24 01:50:50,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:50:50,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 01:50:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:50,035 INFO L225 Difference]: With dead ends: 1746 [2024-10-24 01:50:50,035 INFO L226 Difference]: Without dead ends: 1496 [2024-10-24 01:50:50,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:50,037 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 1206 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:50,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 889 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:50:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2024-10-24 01:50:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 618. [2024-10-24 01:50:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 617 states have (on average 1.4230145867098865) internal successors, (878), 617 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 878 transitions. [2024-10-24 01:50:50,046 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 878 transitions. Word has length 112 [2024-10-24 01:50:50,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:50,047 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 878 transitions. [2024-10-24 01:50:50,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 878 transitions. [2024-10-24 01:50:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 01:50:50,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:50,048 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:50,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-24 01:50:50,048 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:50,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:50,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2013488005, now seen corresponding path program 1 times [2024-10-24 01:50:50,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:50,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457986979] [2024-10-24 01:50:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:50,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:50,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457986979] [2024-10-24 01:50:50,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457986979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:50,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:50,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:50:50,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093786550] [2024-10-24 01:50:50,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:50,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:50:50,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:50,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:50:50,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:50,115 INFO L87 Difference]: Start difference. First operand 618 states and 878 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:50,143 INFO L93 Difference]: Finished difference Result 1562 states and 2280 transitions. [2024-10-24 01:50:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:50:50,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 01:50:50,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:50,145 INFO L225 Difference]: With dead ends: 1562 [2024-10-24 01:50:50,145 INFO L226 Difference]: Without dead ends: 1064 [2024-10-24 01:50:50,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:50,146 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 111 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:50,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 305 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-10-24 01:50:50,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1054. [2024-10-24 01:50:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1053 states have (on average 1.4283000949667617) internal successors, (1504), 1053 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1504 transitions. [2024-10-24 01:50:50,159 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1504 transitions. Word has length 112 [2024-10-24 01:50:50,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:50,159 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1504 transitions. [2024-10-24 01:50:50,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1504 transitions. [2024-10-24 01:50:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 01:50:50,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:50,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:50,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-24 01:50:50,161 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:50,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2079981517, now seen corresponding path program 1 times [2024-10-24 01:50:50,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:50,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295589421] [2024-10-24 01:50:50,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:50,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:50,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:50,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295589421] [2024-10-24 01:50:50,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295589421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:50,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:50,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:50,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759485024] [2024-10-24 01:50:50,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:50,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:50,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:50,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:50,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:50,367 INFO L87 Difference]: Start difference. First operand 1054 states and 1504 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:50,475 INFO L93 Difference]: Finished difference Result 1990 states and 2878 transitions. [2024-10-24 01:50:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:50:50,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 01:50:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:50,477 INFO L225 Difference]: With dead ends: 1990 [2024-10-24 01:50:50,477 INFO L226 Difference]: Without dead ends: 1056 [2024-10-24 01:50:50,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-24 01:50:50,478 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 176 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:50,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 563 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:50,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-10-24 01:50:50,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1054. [2024-10-24 01:50:50,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1053 states have (on average 1.4245014245014245) internal successors, (1500), 1053 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1500 transitions. [2024-10-24 01:50:50,488 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1500 transitions. Word has length 112 [2024-10-24 01:50:50,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:50,489 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1500 transitions. [2024-10-24 01:50:50,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1500 transitions. [2024-10-24 01:50:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 01:50:50,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:50,490 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:50,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-24 01:50:50,490 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:50,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:50,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2113425932, now seen corresponding path program 1 times [2024-10-24 01:50:50,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:50,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946410871] [2024-10-24 01:50:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:50,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:50,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:50,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946410871] [2024-10-24 01:50:50,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946410871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:50,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:50,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:50,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623828409] [2024-10-24 01:50:50,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:50,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:50,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:50,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:50,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:50,636 INFO L87 Difference]: Start difference. First operand 1054 states and 1500 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:50,755 INFO L93 Difference]: Finished difference Result 3630 states and 5276 transitions. [2024-10-24 01:50:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:50:50,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 01:50:50,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:50,761 INFO L225 Difference]: With dead ends: 3630 [2024-10-24 01:50:50,761 INFO L226 Difference]: Without dead ends: 3162 [2024-10-24 01:50:50,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:50,763 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 1062 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:50,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 981 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:50:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2024-10-24 01:50:50,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 1754. [2024-10-24 01:50:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1753 states have (on average 1.4386765544780376) internal successors, (2522), 1753 states have internal predecessors, (2522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2522 transitions. [2024-10-24 01:50:50,803 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2522 transitions. Word has length 112 [2024-10-24 01:50:50,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:50,804 INFO L471 AbstractCegarLoop]: Abstraction has 1754 states and 2522 transitions. [2024-10-24 01:50:50,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2522 transitions. [2024-10-24 01:50:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 01:50:50,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:50,805 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:50,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-10-24 01:50:50,805 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:50,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:50,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1817455604, now seen corresponding path program 1 times [2024-10-24 01:50:50,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:50,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100223032] [2024-10-24 01:50:50,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:50,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:50,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100223032] [2024-10-24 01:50:50,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100223032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:50,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:50,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:50,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503960835] [2024-10-24 01:50:50,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:50,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:50,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:50,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:50,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:50,947 INFO L87 Difference]: Start difference. First operand 1754 states and 2522 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:51,074 INFO L93 Difference]: Finished difference Result 4096 states and 5958 transitions. [2024-10-24 01:50:51,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:50:51,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 01:50:51,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:51,081 INFO L225 Difference]: With dead ends: 4096 [2024-10-24 01:50:51,081 INFO L226 Difference]: Without dead ends: 3628 [2024-10-24 01:50:51,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:51,083 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 1076 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:51,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 1023 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:50:51,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2024-10-24 01:50:51,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 2220. [2024-10-24 01:50:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 2219 states have (on average 1.4438936457863902) internal successors, (3204), 2219 states have internal predecessors, (3204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3204 transitions. [2024-10-24 01:50:51,119 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3204 transitions. Word has length 112 [2024-10-24 01:50:51,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:51,119 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3204 transitions. [2024-10-24 01:50:51,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3204 transitions. [2024-10-24 01:50:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 01:50:51,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:51,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:51,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-24 01:50:51,122 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:51,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:51,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1076996596, now seen corresponding path program 1 times [2024-10-24 01:50:51,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:51,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582436641] [2024-10-24 01:50:51,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:51,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:51,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:51,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582436641] [2024-10-24 01:50:51,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582436641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:51,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:51,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:51,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110079243] [2024-10-24 01:50:51,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:51,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:51,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:51,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:51,267 INFO L87 Difference]: Start difference. First operand 2220 states and 3204 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:51,370 INFO L93 Difference]: Finished difference Result 4562 states and 6640 transitions. [2024-10-24 01:50:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:50:51,370 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 01:50:51,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:51,376 INFO L225 Difference]: With dead ends: 4562 [2024-10-24 01:50:51,376 INFO L226 Difference]: Without dead ends: 4094 [2024-10-24 01:50:51,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:51,378 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 1184 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:51,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 1012 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:50:51,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2024-10-24 01:50:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 2686. [2024-10-24 01:50:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 2685 states have (on average 1.4472998137802606) internal successors, (3886), 2685 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3886 transitions. [2024-10-24 01:50:51,415 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3886 transitions. Word has length 112 [2024-10-24 01:50:51,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:51,416 INFO L471 AbstractCegarLoop]: Abstraction has 2686 states and 3886 transitions. [2024-10-24 01:50:51,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3886 transitions. [2024-10-24 01:50:51,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 01:50:51,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:51,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:51,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-10-24 01:50:51,418 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:51,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash -393257428, now seen corresponding path program 1 times [2024-10-24 01:50:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:51,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289139878] [2024-10-24 01:50:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:51,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:51,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:51,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289139878] [2024-10-24 01:50:51,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289139878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:51,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:51,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:50:51,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641523254] [2024-10-24 01:50:51,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:51,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:50:51,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:51,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:50:51,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:51,526 INFO L87 Difference]: Start difference. First operand 2686 states and 3886 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:51,562 INFO L93 Difference]: Finished difference Result 7642 states and 11088 transitions. [2024-10-24 01:50:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:50:51,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2024-10-24 01:50:51,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:51,571 INFO L225 Difference]: With dead ends: 7642 [2024-10-24 01:50:51,571 INFO L226 Difference]: Without dead ends: 5076 [2024-10-24 01:50:51,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:51,575 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 90 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 405 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 [2024-10-24 01:50:51,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:51,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2024-10-24 01:50:51,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 4898. [2024-10-24 01:50:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4898 states, 4897 states have (on average 1.4433326526444763) internal successors, (7068), 4897 states have internal predecessors, (7068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4898 states to 4898 states and 7068 transitions. [2024-10-24 01:50:51,631 INFO L78 Accepts]: Start accepts. Automaton has 4898 states and 7068 transitions. Word has length 113 [2024-10-24 01:50:51,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:51,632 INFO L471 AbstractCegarLoop]: Abstraction has 4898 states and 7068 transitions. [2024-10-24 01:50:51,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4898 states and 7068 transitions. [2024-10-24 01:50:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 01:50:51,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:51,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:51,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-10-24 01:50:51,634 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:51,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:51,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1915285261, now seen corresponding path program 1 times [2024-10-24 01:50:51,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:51,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143831454] [2024-10-24 01:50:51,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:51,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:51,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:51,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143831454] [2024-10-24 01:50:51,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143831454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:51,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:51,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:50:51,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119410342] [2024-10-24 01:50:51,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:51,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:50:51,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:51,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:50:51,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:51,740 INFO L87 Difference]: Start difference. First operand 4898 states and 7068 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:51,787 INFO L93 Difference]: Finished difference Result 14102 states and 20326 transitions. [2024-10-24 01:50:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:50:51,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2024-10-24 01:50:51,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:51,803 INFO L225 Difference]: With dead ends: 14102 [2024-10-24 01:50:51,804 INFO L226 Difference]: Without dead ends: 9324 [2024-10-24 01:50:51,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:51,811 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 83 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 405 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 [2024-10-24 01:50:51,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:51,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9324 states. [2024-10-24 01:50:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9324 to 8970. [2024-10-24 01:50:51,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8970 states, 8969 states have (on average 1.4338276284981604) internal successors, (12860), 8969 states have internal predecessors, (12860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8970 states to 8970 states and 12860 transitions. [2024-10-24 01:50:51,921 INFO L78 Accepts]: Start accepts. Automaton has 8970 states and 12860 transitions. Word has length 114 [2024-10-24 01:50:51,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:51,921 INFO L471 AbstractCegarLoop]: Abstraction has 8970 states and 12860 transitions. [2024-10-24 01:50:51,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 8970 states and 12860 transitions. [2024-10-24 01:50:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 01:50:51,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:51,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:51,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-24 01:50:51,922 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:51,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:51,923 INFO L85 PathProgramCache]: Analyzing trace with hash 16834680, now seen corresponding path program 1 times [2024-10-24 01:50:51,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:51,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364713576] [2024-10-24 01:50:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:51,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:52,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:52,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364713576] [2024-10-24 01:50:52,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364713576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:52,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:52,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:50:52,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934735935] [2024-10-24 01:50:52,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:52,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:50:52,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:52,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:50:52,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:52,076 INFO L87 Difference]: Start difference. First operand 8970 states and 12860 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:52,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:52,154 INFO L93 Difference]: Finished difference Result 25966 states and 37086 transitions. [2024-10-24 01:50:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:50:52,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-24 01:50:52,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:52,176 INFO L225 Difference]: With dead ends: 25966 [2024-10-24 01:50:52,176 INFO L226 Difference]: Without dead ends: 17116 [2024-10-24 01:50:52,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:52,191 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 76 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 405 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 [2024-10-24 01:50:52,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:52,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17116 states. [2024-10-24 01:50:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17116 to 16410. [2024-10-24 01:50:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16410 states, 16409 states have (on average 1.4199524651106101) internal successors, (23300), 16409 states have internal predecessors, (23300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16410 states to 16410 states and 23300 transitions. [2024-10-24 01:50:52,392 INFO L78 Accepts]: Start accepts. Automaton has 16410 states and 23300 transitions. Word has length 115 [2024-10-24 01:50:52,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:52,392 INFO L471 AbstractCegarLoop]: Abstraction has 16410 states and 23300 transitions. [2024-10-24 01:50:52,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 16410 states and 23300 transitions. [2024-10-24 01:50:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 01:50:52,393 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:52,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:52,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-10-24 01:50:52,394 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:52,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:52,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1053800601, now seen corresponding path program 1 times [2024-10-24 01:50:52,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:52,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396438874] [2024-10-24 01:50:52,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:52,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:52,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396438874] [2024-10-24 01:50:52,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396438874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:52,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:52,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:50:52,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170873415] [2024-10-24 01:50:52,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:52,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:50:52,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:52,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:50:52,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:52,497 INFO L87 Difference]: Start difference. First operand 16410 states and 23300 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:52,632 INFO L93 Difference]: Finished difference Result 47582 states and 67174 transitions. [2024-10-24 01:50:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:50:52,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-10-24 01:50:52,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:52,679 INFO L225 Difference]: With dead ends: 47582 [2024-10-24 01:50:52,679 INFO L226 Difference]: Without dead ends: 31292 [2024-10-24 01:50:52,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:52,706 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 66 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:52,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 405 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:52,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31292 states. [2024-10-24 01:50:53,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31292 to 29882. [2024-10-24 01:50:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29882 states, 29881 states have (on average 1.40196111241257) internal successors, (41892), 29881 states have internal predecessors, (41892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29882 states to 29882 states and 41892 transitions. [2024-10-24 01:50:53,282 INFO L78 Accepts]: Start accepts. Automaton has 29882 states and 41892 transitions. Word has length 116 [2024-10-24 01:50:53,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:53,282 INFO L471 AbstractCegarLoop]: Abstraction has 29882 states and 41892 transitions. [2024-10-24 01:50:53,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29882 states and 41892 transitions. [2024-10-24 01:50:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 01:50:53,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:53,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:53,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-10-24 01:50:53,287 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:53,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:53,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1617381692, now seen corresponding path program 1 times [2024-10-24 01:50:53,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:53,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541660419] [2024-10-24 01:50:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:53,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:53,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541660419] [2024-10-24 01:50:53,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541660419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:53,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:53,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:50:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227242920] [2024-10-24 01:50:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:53,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:50:53,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:53,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:50:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:50:53,536 INFO L87 Difference]: Start difference. First operand 29882 states and 41892 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:53,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:53,787 INFO L93 Difference]: Finished difference Result 30844 states and 43173 transitions. [2024-10-24 01:50:53,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:50:53,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-10-24 01:50:53,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:53,832 INFO L225 Difference]: With dead ends: 30844 [2024-10-24 01:50:53,833 INFO L226 Difference]: Without dead ends: 30842 [2024-10-24 01:50:53,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:50:53,847 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:53,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 922 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:53,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30842 states. [2024-10-24 01:50:54,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30842 to 30842. [2024-10-24 01:50:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30842 states, 30841 states have (on average 1.3832236308809702) internal successors, (42660), 30841 states have internal predecessors, (42660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30842 states to 30842 states and 42660 transitions. [2024-10-24 01:50:54,434 INFO L78 Accepts]: Start accepts. Automaton has 30842 states and 42660 transitions. Word has length 117 [2024-10-24 01:50:54,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:54,435 INFO L471 AbstractCegarLoop]: Abstraction has 30842 states and 42660 transitions. [2024-10-24 01:50:54,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30842 states and 42660 transitions. [2024-10-24 01:50:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 01:50:54,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:54,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:54,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-10-24 01:50:54,436 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:54,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:54,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2070251932, now seen corresponding path program 1 times [2024-10-24 01:50:54,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:54,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557512049] [2024-10-24 01:50:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:54,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:54,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:54,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557512049] [2024-10-24 01:50:54,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557512049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:54,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:54,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:50:54,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50096333] [2024-10-24 01:50:54,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:54,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:50:54,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:54,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:50:54,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:50:54,679 INFO L87 Difference]: Start difference. First operand 30842 states and 42660 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:55,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:55,049 INFO L93 Difference]: Finished difference Result 58854 states and 81706 transitions. [2024-10-24 01:50:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 01:50:55,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2024-10-24 01:50:55,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:55,119 INFO L225 Difference]: With dead ends: 58854 [2024-10-24 01:50:55,119 INFO L226 Difference]: Without dead ends: 53252 [2024-10-24 01:50:55,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:50:55,143 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 1185 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:55,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 903 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:50:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53252 states. [2024-10-24 01:50:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53252 to 36442. [2024-10-24 01:50:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36442 states, 36441 states have (on average 1.3831673115446887) internal successors, (50404), 36441 states have internal predecessors, (50404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36442 states to 36442 states and 50404 transitions. [2024-10-24 01:50:55,842 INFO L78 Accepts]: Start accepts. Automaton has 36442 states and 50404 transitions. Word has length 117 [2024-10-24 01:50:55,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:55,842 INFO L471 AbstractCegarLoop]: Abstraction has 36442 states and 50404 transitions. [2024-10-24 01:50:55,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 36442 states and 50404 transitions. [2024-10-24 01:50:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 01:50:55,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:55,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:55,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-10-24 01:50:55,844 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:55,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:55,844 INFO L85 PathProgramCache]: Analyzing trace with hash 500777747, now seen corresponding path program 1 times [2024-10-24 01:50:55,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:55,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683658325] [2024-10-24 01:50:55,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:55,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683658325] [2024-10-24 01:50:55,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683658325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:55,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:55,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:50:55,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030377243] [2024-10-24 01:50:55,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:55,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:50:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:55,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:50:55,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:55,960 INFO L87 Difference]: Start difference. First operand 36442 states and 50404 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:56,285 INFO L93 Difference]: Finished difference Result 94526 states and 130534 transitions. [2024-10-24 01:50:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:50:56,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-10-24 01:50:56,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:56,358 INFO L225 Difference]: With dead ends: 94526 [2024-10-24 01:50:56,358 INFO L226 Difference]: Without dead ends: 58204 [2024-10-24 01:50:56,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:56,391 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 94 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 408 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 [2024-10-24 01:50:56,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:56,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58204 states. [2024-10-24 01:50:57,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58204 to 54874. [2024-10-24 01:50:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54874 states, 54873 states have (on average 1.3640952745430357) internal successors, (74852), 54873 states have internal predecessors, (74852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54874 states to 54874 states and 74852 transitions. [2024-10-24 01:50:57,138 INFO L78 Accepts]: Start accepts. Automaton has 54874 states and 74852 transitions. Word has length 118 [2024-10-24 01:50:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:57,138 INFO L471 AbstractCegarLoop]: Abstraction has 54874 states and 74852 transitions. [2024-10-24 01:50:57,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 54874 states and 74852 transitions. [2024-10-24 01:50:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 01:50:57,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:57,147 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:57,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-10-24 01:50:57,147 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:57,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:57,148 INFO L85 PathProgramCache]: Analyzing trace with hash 531509387, now seen corresponding path program 1 times [2024-10-24 01:50:57,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:57,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127501612] [2024-10-24 01:50:57,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:57,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:57,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127501612] [2024-10-24 01:50:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127501612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:50:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:50:57,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:50:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313451116] [2024-10-24 01:50:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:50:57,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:50:57,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:50:57,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:50:57,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:57,451 INFO L87 Difference]: Start difference. First operand 54874 states and 74852 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:57,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:50:57,897 INFO L93 Difference]: Finished difference Result 109630 states and 149574 transitions. [2024-10-24 01:50:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:50:57,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2024-10-24 01:50:57,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:50:57,959 INFO L225 Difference]: With dead ends: 109630 [2024-10-24 01:50:57,959 INFO L226 Difference]: Without dead ends: 54876 [2024-10-24 01:50:57,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:50:57,982 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 81 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:50:57,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 379 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:50:58,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54876 states. [2024-10-24 01:50:58,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54876 to 54874. [2024-10-24 01:50:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54874 states, 54873 states have (on average 1.3489329907240355) internal successors, (74020), 54873 states have internal predecessors, (74020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54874 states to 54874 states and 74020 transitions. [2024-10-24 01:50:58,707 INFO L78 Accepts]: Start accepts. Automaton has 54874 states and 74020 transitions. Word has length 148 [2024-10-24 01:50:58,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:50:58,707 INFO L471 AbstractCegarLoop]: Abstraction has 54874 states and 74020 transitions. [2024-10-24 01:50:58,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:50:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 54874 states and 74020 transitions. [2024-10-24 01:50:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 01:50:58,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:50:58,712 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:50:58,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-10-24 01:50:58,712 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-10-24 01:50:58,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:50:58,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1792864446, now seen corresponding path program 1 times [2024-10-24 01:50:58,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:50:58,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535925142] [2024-10-24 01:50:58,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:58,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:50:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:50:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:50:59,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:50:59,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535925142] [2024-10-24 01:50:59,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535925142] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 01:50:59,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747167857] [2024-10-24 01:50:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:50:59,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 01:50:59,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:50:59,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 01:50:59,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process