/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-dev-05d3305-m
[2022-10-15 22:07:42,321 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-15 22:07:42,325 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-15 22:07:42,381 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-15 22:07:42,382 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-15 22:07:42,387 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-15 22:07:42,407 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-15 22:07:42,416 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-15 22:07:42,419 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-15 22:07:42,425 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-15 22:07:42,427 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-15 22:07:42,430 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-15 22:07:42,430 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-15 22:07:42,433 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-15 22:07:42,435 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-15 22:07:42,441 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-15 22:07:42,444 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-15 22:07:42,445 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-15 22:07:42,447 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-15 22:07:42,449 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-15 22:07:42,451 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-15 22:07:42,458 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-15 22:07:42,460 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-15 22:07:42,461 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-15 22:07:42,474 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-15 22:07:42,474 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-15 22:07:42,474 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-15 22:07:42,478 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-15 22:07:42,479 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-15 22:07:42,482 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-15 22:07:42,482 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-15 22:07:42,484 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-15 22:07:42,485 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-15 22:07:42,487 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-15 22:07:42,489 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-15 22:07:42,489 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-15 22:07:42,490 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-15 22:07:42,490 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-15 22:07:42,491 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-15 22:07:42,492 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-15 22:07:42,493 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-15 22:07:42,494 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-10-15 22:07:42,556 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-15 22:07:42,556 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-15 22:07:42,557 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-15 22:07:42,557 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-15 22:07:42,559 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-15 22:07:42,559 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-15 22:07:42,562 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-15 22:07:42,563 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-15 22:07:42,563 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-15 22:07:42,563 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-15 22:07:42,564 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-15 22:07:42,565 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-10-15 22:07:42,565 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-15 22:07:42,565 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-15 22:07:42,565 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-15 22:07:42,566 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-15 22:07:42,566 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-15 22:07:42,566 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-15 22:07:42,566 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2022-10-15 22:07:42,566 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-15 22:07:42,567 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-15 22:07:42,567 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-15 22:07:42,567 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-15 22:07:42,567 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-15 22:07:42,567 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-15 22:07:42,568 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-15 22:07:42,568 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-15 22:07:42,568 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-15 22:07:42,568 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-15 22:07:42,569 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-15 22:07:42,569 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-15 22:07:42,569 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-15 22:07:42,570 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-15 22:07:42,570 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-15 22:07:43,013 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-15 22:07:43,060 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-15 22:07:43,064 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-15 22:07:43,065 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-15 22:07:43,066 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-15 22:07:43,068 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c
[2022-10-15 22:07:43,154 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cb3c433/68102d7fad814762937d3a1c53b50c2c/FLAG83679f022
[2022-10-15 22:07:44,096 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-15 22:07:44,098 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c
[2022-10-15 22:07:44,126 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cb3c433/68102d7fad814762937d3a1c53b50c2c/FLAG83679f022
[2022-10-15 22:07:44,175 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cb3c433/68102d7fad814762937d3a1c53b50c2c
[2022-10-15 22:07:44,180 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-15 22:07:44,197 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-10-15 22:07:44,199 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-15 22:07:44,199 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-15 22:07:44,204 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-15 22:07:44,205 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:07:44" (1/1) ...
[2022-10-15 22:07:44,208 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276446a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:44, skipping insertion in model container
[2022-10-15 22:07:44,209 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:07:44" (1/1) ...
[2022-10-15 22:07:44,216 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-15 22:07:44,346 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-15 22:07:45,212 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31154,31167]
[2022-10-15 22:07:45,246 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32044,32057]
[2022-10-15 22:07:45,292 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33746,33759]
[2022-10-15 22:07:45,312 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34636,34649]
[2022-10-15 22:07:45,351 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37153,37166]
[2022-10-15 22:07:45,368 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38046,38059]
[2022-10-15 22:07:45,396 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39751,39764]
[2022-10-15 22:07:45,417 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41028,41041]
[2022-10-15 22:07:45,579 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55077,55090]
[2022-10-15 22:07:45,600 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55970,55983]
[2022-10-15 22:07:45,631 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57675,57688]
[2022-10-15 22:07:45,704 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61876,61889]
[2022-10-15 22:07:45,847 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-15 22:07:45,863 INFO  L203         MainTranslator]: Completed pre-run
[2022-10-15 22:07:46,109 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31154,31167]
[2022-10-15 22:07:46,125 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32044,32057]
[2022-10-15 22:07:46,149 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33746,33759]
[2022-10-15 22:07:46,166 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34636,34649]
[2022-10-15 22:07:46,199 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37153,37166]
[2022-10-15 22:07:46,216 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38046,38059]
[2022-10-15 22:07:46,241 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39751,39764]
[2022-10-15 22:07:46,262 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41028,41041]
[2022-10-15 22:07:46,399 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55077,55090]
[2022-10-15 22:07:46,416 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55970,55983]
[2022-10-15 22:07:46,442 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57675,57688]
[2022-10-15 22:07:46,507 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61876,61889]
[2022-10-15 22:07:46,635 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-15 22:07:46,666 INFO  L208         MainTranslator]: Completed translation
[2022-10-15 22:07:46,667 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46 WrapperNode
[2022-10-15 22:07:46,667 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-15 22:07:46,669 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-15 22:07:46,670 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-15 22:07:46,671 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-15 22:07:46,680 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:46,717 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:46,884 INFO  L138                Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4243
[2022-10-15 22:07:46,884 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-15 22:07:46,887 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-15 22:07:46,888 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-15 22:07:46,888 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-15 22:07:46,900 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:46,900 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:46,912 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:46,913 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:46,976 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:47,020 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:47,034 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:47,048 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:47,075 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-15 22:07:47,077 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-15 22:07:47,077 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-15 22:07:47,078 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-15 22:07:47,079 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (1/1) ...
[2022-10-15 22:07:47,087 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-15 22:07:47,101 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-15 22:07:47,122 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-15 22:07:47,138 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-15 22:07:47,194 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-15 22:07:47,194 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-10-15 22:07:47,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-15 22:07:47,198 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-15 22:07:47,497 INFO  L235             CfgBuilder]: Building ICFG
[2022-10-15 22:07:47,501 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-15 22:07:50,597 INFO  L276             CfgBuilder]: Performing block encoding
[2022-10-15 22:07:50,632 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-15 22:07:50,632 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-10-15 22:07:50,638 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:07:50 BoogieIcfgContainer
[2022-10-15 22:07:50,638 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-15 22:07:50,643 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-15 22:07:50,643 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-15 22:07:50,650 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-15 22:07:50,650 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:07:44" (1/3) ...
[2022-10-15 22:07:50,652 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd91e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:07:50, skipping insertion in model container
[2022-10-15 22:07:50,653 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:07:46" (2/3) ...
[2022-10-15 22:07:50,653 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd91e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:07:50, skipping insertion in model container
[2022-10-15 22:07:50,653 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:07:50" (3/3) ...
[2022-10-15 22:07:50,655 INFO  L112   eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c
[2022-10-15 22:07:50,683 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-15 22:07:50,684 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 436 error locations.
[2022-10-15 22:07:50,825 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-15 22:07:50,837 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3784b6ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-15 22:07:50,837 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 436 error locations.
[2022-10-15 22:07:50,860 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1757 states, 1320 states have (on average 1.8909090909090909) internal successors, (2496), 1756 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:50,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2022-10-15 22:07:50,905 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:07:50,908 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:07:50,908 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:07:50,917 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:07:50,917 INFO  L85        PathProgramCache]: Analyzing trace with hash -1520129315, now seen corresponding path program 1 times
[2022-10-15 22:07:50,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:07:50,931 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745811832]
[2022-10-15 22:07:50,932 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:07:50,932 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:07:51,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:07:51,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:07:51,977 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:07:51,977 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745811832]
[2022-10-15 22:07:51,978 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745811832] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:07:51,978 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:07:51,978 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:07:51,980 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005103782]
[2022-10-15 22:07:51,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:07:51,987 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:07:51,987 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:07:52,021 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:07:52,022 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:52,029 INFO  L87              Difference]: Start difference. First operand  has 1757 states, 1320 states have (on average 1.8909090909090909) internal successors, (2496), 1756 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 2 states have (on average 59.0) 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)
[2022-10-15 22:07:52,909 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:07:52,910 INFO  L93              Difference]: Finished difference Result 1973 states and 2815 transitions.
[2022-10-15 22:07:52,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:07:52,914 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 59.0) 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
[2022-10-15 22:07:52,915 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:07:52,981 INFO  L225             Difference]: With dead ends: 1973
[2022-10-15 22:07:52,982 INFO  L226             Difference]: Without dead ends: 1868
[2022-10-15 22:07:52,995 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:53,006 INFO  L413           NwaCegarLoop]: 2041 mSDtfsCounter, 1741 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-10-15 22:07:53,008 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2620 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-10-15 22:07:53,074 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1868 states.
[2022-10-15 22:07:53,289 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1836.
[2022-10-15 22:07:53,296 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1836 states, 1471 states have (on average 1.654656696125085) internal successors, (2434), 1835 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:53,302 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2434 transitions.
[2022-10-15 22:07:53,304 INFO  L78                 Accepts]: Start accepts. Automaton has 1836 states and 2434 transitions. Word has length 118
[2022-10-15 22:07:53,306 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:07:53,306 INFO  L495      AbstractCegarLoop]: Abstraction has 1836 states and 2434 transitions.
[2022-10-15 22:07:53,311 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 59.0) 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)
[2022-10-15 22:07:53,312 INFO  L276                IsEmpty]: Start isEmpty. Operand 1836 states and 2434 transitions.
[2022-10-15 22:07:53,317 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2022-10-15 22:07:53,317 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:07:53,318 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:07:53,319 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-15 22:07:53,319 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:07:53,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:07:53,320 INFO  L85        PathProgramCache]: Analyzing trace with hash 120631956, now seen corresponding path program 1 times
[2022-10-15 22:07:53,320 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:07:53,321 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101168455]
[2022-10-15 22:07:53,321 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:07:53,321 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:07:53,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:07:53,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:07:53,708 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:07:53,708 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101168455]
[2022-10-15 22:07:53,708 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101168455] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:07:53,709 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:07:53,709 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:07:53,709 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964947620]
[2022-10-15 22:07:53,709 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:07:53,714 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:07:53,715 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:07:53,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:07:53,715 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:53,716 INFO  L87              Difference]: Start difference. First operand 1836 states and 2434 transitions. Second operand  has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:54,423 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:07:54,424 INFO  L93              Difference]: Finished difference Result 1871 states and 2434 transitions.
[2022-10-15 22:07:54,424 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:07:54,424 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119
[2022-10-15 22:07:54,425 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:07:54,438 INFO  L225             Difference]: With dead ends: 1871
[2022-10-15 22:07:54,438 INFO  L226             Difference]: Without dead ends: 1851
[2022-10-15 22:07:54,441 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:54,442 INFO  L413           NwaCegarLoop]: 1799 mSDtfsCounter, 1524 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-10-15 22:07:54,443 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 2328 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-10-15 22:07:54,449 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1851 states.
[2022-10-15 22:07:54,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1819.
[2022-10-15 22:07:54,531 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1819 states, 1471 states have (on average 1.6410605030591434) internal successors, (2414), 1818 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:54,538 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2414 transitions.
[2022-10-15 22:07:54,538 INFO  L78                 Accepts]: Start accepts. Automaton has 1819 states and 2414 transitions. Word has length 119
[2022-10-15 22:07:54,539 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:07:54,539 INFO  L495      AbstractCegarLoop]: Abstraction has 1819 states and 2414 transitions.
[2022-10-15 22:07:54,539 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:54,539 INFO  L276                IsEmpty]: Start isEmpty. Operand 1819 states and 2414 transitions.
[2022-10-15 22:07:54,541 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2022-10-15 22:07:54,541 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:07:54,541 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:07:54,541 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-15 22:07:54,542 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:07:54,542 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:07:54,542 INFO  L85        PathProgramCache]: Analyzing trace with hash -555376193, now seen corresponding path program 1 times
[2022-10-15 22:07:54,543 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:07:54,543 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659965801]
[2022-10-15 22:07:54,543 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:07:54,543 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:07:54,594 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:07:54,800 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:07:54,800 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:07:54,801 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659965801]
[2022-10-15 22:07:54,801 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659965801] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:07:54,801 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:07:54,801 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:07:54,802 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586804642]
[2022-10-15 22:07:54,802 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:07:54,803 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:07:54,803 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:07:54,804 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:07:54,804 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:54,804 INFO  L87              Difference]: Start difference. First operand 1819 states and 2414 transitions. Second operand  has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:55,469 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:07:55,469 INFO  L93              Difference]: Finished difference Result 2023 states and 2714 transitions.
[2022-10-15 22:07:55,470 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:07:55,470 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2022-10-15 22:07:55,471 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:07:55,483 INFO  L225             Difference]: With dead ends: 2023
[2022-10-15 22:07:55,483 INFO  L226             Difference]: Without dead ends: 2006
[2022-10-15 22:07:55,485 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:55,486 INFO  L413           NwaCegarLoop]: 1801 mSDtfsCounter, 1399 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-10-15 22:07:55,487 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 2369 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-10-15 22:07:55,492 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2006 states.
[2022-10-15 22:07:55,593 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1980.
[2022-10-15 22:07:55,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1980 states, 1646 states have (on average 1.6385176184690158) internal successors, (2697), 1979 states have internal predecessors, (2697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:55,606 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2697 transitions.
[2022-10-15 22:07:55,606 INFO  L78                 Accepts]: Start accepts. Automaton has 1980 states and 2697 transitions. Word has length 120
[2022-10-15 22:07:55,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:07:55,607 INFO  L495      AbstractCegarLoop]: Abstraction has 1980 states and 2697 transitions.
[2022-10-15 22:07:55,607 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:55,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 1980 states and 2697 transitions.
[2022-10-15 22:07:55,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2022-10-15 22:07:55,609 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:07:55,610 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:07:55,610 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-15 22:07:55,610 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:07:55,611 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:07:55,611 INFO  L85        PathProgramCache]: Analyzing trace with hash -36792330, now seen corresponding path program 1 times
[2022-10-15 22:07:55,611 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:07:55,611 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458878921]
[2022-10-15 22:07:55,611 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:07:55,612 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:07:55,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:07:55,907 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:07:55,907 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:07:55,908 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458878921]
[2022-10-15 22:07:55,908 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458878921] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:07:55,908 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:07:55,908 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:07:55,909 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065864688]
[2022-10-15 22:07:55,909 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:07:55,910 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:07:55,910 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:07:55,910 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:07:55,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:55,911 INFO  L87              Difference]: Start difference. First operand 1980 states and 2697 transitions. Second operand  has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:56,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:07:56,590 INFO  L93              Difference]: Finished difference Result 2009 states and 2697 transitions.
[2022-10-15 22:07:56,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:07:56,591 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121
[2022-10-15 22:07:56,592 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:07:56,605 INFO  L225             Difference]: With dead ends: 2009
[2022-10-15 22:07:56,605 INFO  L226             Difference]: Without dead ends: 1992
[2022-10-15 22:07:56,607 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:56,611 INFO  L413           NwaCegarLoop]: 1804 mSDtfsCounter, 1381 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-10-15 22:07:56,614 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 2372 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-10-15 22:07:56,621 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1992 states.
[2022-10-15 22:07:56,740 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1966.
[2022-10-15 22:07:56,747 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1966 states, 1646 states have (on average 1.6281895504252735) internal successors, (2680), 1965 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:56,754 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2680 transitions.
[2022-10-15 22:07:56,755 INFO  L78                 Accepts]: Start accepts. Automaton has 1966 states and 2680 transitions. Word has length 121
[2022-10-15 22:07:56,755 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:07:56,755 INFO  L495      AbstractCegarLoop]: Abstraction has 1966 states and 2680 transitions.
[2022-10-15 22:07:56,757 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:56,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 1966 states and 2680 transitions.
[2022-10-15 22:07:56,762 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2022-10-15 22:07:56,763 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:07:56,763 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:07:56,763 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-15 22:07:56,764 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:07:56,764 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:07:56,764 INFO  L85        PathProgramCache]: Analyzing trace with hash -1140561759, now seen corresponding path program 1 times
[2022-10-15 22:07:56,765 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:07:56,765 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682933129]
[2022-10-15 22:07:56,766 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:07:56,766 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:07:56,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:07:57,076 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:07:57,076 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:07:57,076 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682933129]
[2022-10-15 22:07:57,077 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682933129] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:07:57,077 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:07:57,077 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:07:57,077 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479721226]
[2022-10-15 22:07:57,078 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:07:57,078 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:07:57,079 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:07:57,079 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:07:57,080 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:57,080 INFO  L87              Difference]: Start difference. First operand 1966 states and 2680 transitions. Second operand  has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:57,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:07:57,751 INFO  L93              Difference]: Finished difference Result 2364 states and 3328 transitions.
[2022-10-15 22:07:57,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:07:57,753 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122
[2022-10-15 22:07:57,758 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:07:57,782 INFO  L225             Difference]: With dead ends: 2364
[2022-10-15 22:07:57,782 INFO  L226             Difference]: Without dead ends: 2345
[2022-10-15 22:07:57,784 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:57,787 INFO  L413           NwaCegarLoop]: 1663 mSDtfsCounter, 1564 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-10-15 22:07:57,790 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 2061 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-10-15 22:07:57,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2345 states.
[2022-10-15 22:07:57,941 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2341.
[2022-10-15 22:07:57,947 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2341 states, 2039 states have (on average 1.6199117214320746) internal successors, (3303), 2340 states have internal predecessors, (3303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:57,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2341 states and 3303 transitions.
[2022-10-15 22:07:57,956 INFO  L78                 Accepts]: Start accepts. Automaton has 2341 states and 3303 transitions. Word has length 122
[2022-10-15 22:07:57,956 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:07:57,956 INFO  L495      AbstractCegarLoop]: Abstraction has 2341 states and 3303 transitions.
[2022-10-15 22:07:57,957 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:57,957 INFO  L276                IsEmpty]: Start isEmpty. Operand 2341 states and 3303 transitions.
[2022-10-15 22:07:57,958 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2022-10-15 22:07:57,959 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:07:57,959 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:07:57,959 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-15 22:07:57,959 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:07:57,960 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:07:57,960 INFO  L85        PathProgramCache]: Analyzing trace with hash -997675688, now seen corresponding path program 1 times
[2022-10-15 22:07:57,960 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:07:57,960 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439901723]
[2022-10-15 22:07:57,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:07:57,961 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:07:58,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:07:58,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:07:58,275 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:07:58,275 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439901723]
[2022-10-15 22:07:58,275 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439901723] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:07:58,276 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:07:58,276 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:07:58,277 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485396127]
[2022-10-15 22:07:58,277 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:07:58,277 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:07:58,277 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:07:58,278 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:07:58,278 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:58,279 INFO  L87              Difference]: Start difference. First operand 2341 states and 3303 transitions. Second operand  has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:59,076 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:07:59,077 INFO  L93              Difference]: Finished difference Result 3048 states and 4436 transitions.
[2022-10-15 22:07:59,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:07:59,077 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123
[2022-10-15 22:07:59,078 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:07:59,095 INFO  L225             Difference]: With dead ends: 3048
[2022-10-15 22:07:59,095 INFO  L226             Difference]: Without dead ends: 3033
[2022-10-15 22:07:59,096 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:59,097 INFO  L413           NwaCegarLoop]: 1788 mSDtfsCounter, 1418 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-10-15 22:07:59,098 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 2230 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-10-15 22:07:59,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3033 states.
[2022-10-15 22:07:59,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 3001.
[2022-10-15 22:07:59,329 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3001 states, 2711 states have (on average 1.6274437476945776) internal successors, (4412), 3000 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:59,344 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4412 transitions.
[2022-10-15 22:07:59,345 INFO  L78                 Accepts]: Start accepts. Automaton has 3001 states and 4412 transitions. Word has length 123
[2022-10-15 22:07:59,345 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:07:59,345 INFO  L495      AbstractCegarLoop]: Abstraction has 3001 states and 4412 transitions.
[2022-10-15 22:07:59,346 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:07:59,346 INFO  L276                IsEmpty]: Start isEmpty. Operand 3001 states and 4412 transitions.
[2022-10-15 22:07:59,348 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2022-10-15 22:07:59,348 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:07:59,348 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:07:59,348 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-15 22:07:59,349 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:07:59,349 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:07:59,349 INFO  L85        PathProgramCache]: Analyzing trace with hash -988613926, now seen corresponding path program 1 times
[2022-10-15 22:07:59,350 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:07:59,350 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189403063]
[2022-10-15 22:07:59,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:07:59,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:07:59,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:07:59,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:07:59,557 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:07:59,558 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189403063]
[2022-10-15 22:07:59,558 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189403063] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:07:59,558 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:07:59,558 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:07:59,559 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812950486]
[2022-10-15 22:07:59,559 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:07:59,559 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:07:59,560 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:07:59,560 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:07:59,560 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:07:59,561 INFO  L87              Difference]: Start difference. First operand 3001 states and 4412 transitions. Second operand  has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:00,469 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:00,469 INFO  L93              Difference]: Finished difference Result 4322 states and 6572 transitions.
[2022-10-15 22:08:00,470 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:08:00,470 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125
[2022-10-15 22:08:00,470 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:00,499 INFO  L225             Difference]: With dead ends: 4322
[2022-10-15 22:08:00,499 INFO  L226             Difference]: Without dead ends: 4316
[2022-10-15 22:08:00,502 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:08:00,503 INFO  L413           NwaCegarLoop]: 1660 mSDtfsCounter, 1459 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:00,504 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 2128 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-10-15 22:08:00,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4316 states.
[2022-10-15 22:08:00,953 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 4301.
[2022-10-15 22:08:00,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4301 states, 4016 states have (on average 1.6292330677290836) internal successors, (6543), 4300 states have internal predecessors, (6543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:00,997 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6543 transitions.
[2022-10-15 22:08:00,998 INFO  L78                 Accepts]: Start accepts. Automaton has 4301 states and 6543 transitions. Word has length 125
[2022-10-15 22:08:00,998 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:00,999 INFO  L495      AbstractCegarLoop]: Abstraction has 4301 states and 6543 transitions.
[2022-10-15 22:08:00,999 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:00,999 INFO  L276                IsEmpty]: Start isEmpty. Operand 4301 states and 6543 transitions.
[2022-10-15 22:08:01,001 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2022-10-15 22:08:01,002 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:01,002 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:01,002 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-15 22:08:01,003 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:01,003 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:01,003 INFO  L85        PathProgramCache]: Analyzing trace with hash -582260154, now seen corresponding path program 1 times
[2022-10-15 22:08:01,004 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:01,004 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083253790]
[2022-10-15 22:08:01,004 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:01,004 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:01,054 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:01,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:01,243 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:01,244 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083253790]
[2022-10-15 22:08:01,244 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083253790] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:01,244 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:01,244 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-15 22:08:01,245 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372161429]
[2022-10-15 22:08:01,245 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:01,245 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-15 22:08:01,245 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:01,246 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-15 22:08:01,246 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:08:01,246 INFO  L87              Difference]: Start difference. First operand 4301 states and 6543 transitions. Second operand  has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:02,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:02,519 INFO  L93              Difference]: Finished difference Result 7108 states and 11139 transitions.
[2022-10-15 22:08:02,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-15 22:08:02,520 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126
[2022-10-15 22:08:02,521 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:02,566 INFO  L225             Difference]: With dead ends: 7108
[2022-10-15 22:08:02,567 INFO  L226             Difference]: Without dead ends: 7102
[2022-10-15 22:08:02,571 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-15 22:08:02,572 INFO  L413           NwaCegarLoop]: 2124 mSDtfsCounter, 1185 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:02,572 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 2723 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-10-15 22:08:02,585 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7102 states.
[2022-10-15 22:08:03,233 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7102 to 7059.
[2022-10-15 22:08:03,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7059 states, 6779 states have (on average 1.6379997049712347) internal successors, (11104), 7058 states have internal predecessors, (11104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:03,284 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 11104 transitions.
[2022-10-15 22:08:03,285 INFO  L78                 Accepts]: Start accepts. Automaton has 7059 states and 11104 transitions. Word has length 126
[2022-10-15 22:08:03,285 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:03,285 INFO  L495      AbstractCegarLoop]: Abstraction has 7059 states and 11104 transitions.
[2022-10-15 22:08:03,286 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:03,286 INFO  L276                IsEmpty]: Start isEmpty. Operand 7059 states and 11104 transitions.
[2022-10-15 22:08:03,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2022-10-15 22:08:03,288 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:03,288 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:03,288 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-15 22:08:03,289 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:03,289 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:03,289 INFO  L85        PathProgramCache]: Analyzing trace with hash -1206244056, now seen corresponding path program 1 times
[2022-10-15 22:08:03,290 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:03,290 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138236021]
[2022-10-15 22:08:03,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:03,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:03,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:03,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:03,531 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:03,532 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138236021]
[2022-10-15 22:08:03,532 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138236021] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:03,532 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:03,533 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:03,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447467048]
[2022-10-15 22:08:03,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:03,534 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:03,534 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:03,535 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:03,535 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:03,536 INFO  L87              Difference]: Start difference. First operand 7059 states and 11104 transitions. Second operand  has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:05,252 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:05,252 INFO  L93              Difference]: Finished difference Result 9031 states and 14356 transitions.
[2022-10-15 22:08:05,253 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-15 22:08:05,253 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128
[2022-10-15 22:08:05,254 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:05,294 INFO  L225             Difference]: With dead ends: 9031
[2022-10-15 22:08:05,295 INFO  L226             Difference]: Without dead ends: 9026
[2022-10-15 22:08:05,302 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-15 22:08:05,303 INFO  L413           NwaCegarLoop]: 1701 mSDtfsCounter, 2165 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 3276 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:05,304 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 3276 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-10-15 22:08:05,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9026 states.
[2022-10-15 22:08:06,104 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9026 to 7054.
[2022-10-15 22:08:06,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7054 states, 6779 states have (on average 1.637262133057973) internal successors, (11099), 7053 states have internal predecessors, (11099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:06,154 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 11099 transitions.
[2022-10-15 22:08:06,154 INFO  L78                 Accepts]: Start accepts. Automaton has 7054 states and 11099 transitions. Word has length 128
[2022-10-15 22:08:06,154 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:06,155 INFO  L495      AbstractCegarLoop]: Abstraction has 7054 states and 11099 transitions.
[2022-10-15 22:08:06,155 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:06,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 7054 states and 11099 transitions.
[2022-10-15 22:08:06,157 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2022-10-15 22:08:06,157 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:06,158 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:06,158 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-10-15 22:08:06,158 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:06,159 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:06,159 INFO  L85        PathProgramCache]: Analyzing trace with hash 1261140415, now seen corresponding path program 1 times
[2022-10-15 22:08:06,159 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:06,159 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844233210]
[2022-10-15 22:08:06,159 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:06,160 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:06,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:06,407 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:06,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:06,408 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844233210]
[2022-10-15 22:08:06,408 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844233210] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:06,408 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:06,408 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:06,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24490320]
[2022-10-15 22:08:06,409 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:06,409 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:06,409 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:06,410 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:06,410 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:06,410 INFO  L87              Difference]: Start difference. First operand 7054 states and 11099 transitions. Second operand  has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:08,079 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:08,079 INFO  L93              Difference]: Finished difference Result 9025 states and 14351 transitions.
[2022-10-15 22:08:08,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-15 22:08:08,080 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129
[2022-10-15 22:08:08,081 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:08,114 INFO  L225             Difference]: With dead ends: 9025
[2022-10-15 22:08:08,115 INFO  L226             Difference]: Without dead ends: 9015
[2022-10-15 22:08:08,121 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-15 22:08:08,122 INFO  L413           NwaCegarLoop]: 1482 mSDtfsCounter, 3440 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3440 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:08,122 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 2439 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-10-15 22:08:08,139 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9015 states.
[2022-10-15 22:08:09,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9015 to 8968.
[2022-10-15 22:08:09,052 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8968 states, 8702 states have (on average 1.6437600551597333) internal successors, (14304), 8967 states have internal predecessors, (14304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:09,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8968 states to 8968 states and 14304 transitions.
[2022-10-15 22:08:09,085 INFO  L78                 Accepts]: Start accepts. Automaton has 8968 states and 14304 transitions. Word has length 129
[2022-10-15 22:08:09,086 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:09,086 INFO  L495      AbstractCegarLoop]: Abstraction has 8968 states and 14304 transitions.
[2022-10-15 22:08:09,086 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:09,086 INFO  L276                IsEmpty]: Start isEmpty. Operand 8968 states and 14304 transitions.
[2022-10-15 22:08:09,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2022-10-15 22:08:09,088 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:09,089 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:09,089 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-10-15 22:08:09,089 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:09,090 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:09,090 INFO  L85        PathProgramCache]: Analyzing trace with hash 775177025, now seen corresponding path program 1 times
[2022-10-15 22:08:09,090 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:09,090 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936988858]
[2022-10-15 22:08:09,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:09,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:09,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:09,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:09,294 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:09,294 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936988858]
[2022-10-15 22:08:09,294 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936988858] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:09,295 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:09,295 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:09,295 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618723962]
[2022-10-15 22:08:09,295 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:09,296 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:09,296 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:09,296 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:09,297 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:09,297 INFO  L87              Difference]: Start difference. First operand 8968 states and 14304 transitions. Second operand  has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:10,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:10,904 INFO  L93              Difference]: Finished difference Result 12863 states and 20778 transitions.
[2022-10-15 22:08:10,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-15 22:08:10,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131
[2022-10-15 22:08:10,905 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:10,955 INFO  L225             Difference]: With dead ends: 12863
[2022-10-15 22:08:10,955 INFO  L226             Difference]: Without dead ends: 12858
[2022-10-15 22:08:10,966 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-15 22:08:10,967 INFO  L413           NwaCegarLoop]: 1777 mSDtfsCounter, 2252 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 3399 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:10,968 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2252 Valid, 3399 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-10-15 22:08:10,987 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12858 states.
[2022-10-15 22:08:11,787 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12858 to 8963.
[2022-10-15 22:08:11,803 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8963 states, 8702 states have (on average 1.6431854746035395) internal successors, (14299), 8962 states have internal predecessors, (14299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:11,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8963 states to 8963 states and 14299 transitions.
[2022-10-15 22:08:11,833 INFO  L78                 Accepts]: Start accepts. Automaton has 8963 states and 14299 transitions. Word has length 131
[2022-10-15 22:08:11,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:11,834 INFO  L495      AbstractCegarLoop]: Abstraction has 8963 states and 14299 transitions.
[2022-10-15 22:08:11,834 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:11,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 8963 states and 14299 transitions.
[2022-10-15 22:08:11,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2022-10-15 22:08:11,837 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:11,837 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:11,838 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-10-15 22:08:11,838 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:11,838 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:11,839 INFO  L85        PathProgramCache]: Analyzing trace with hash -1739315507, now seen corresponding path program 1 times
[2022-10-15 22:08:11,839 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:11,839 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182247818]
[2022-10-15 22:08:11,839 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:11,839 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:11,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:12,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:12,001 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:12,001 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182247818]
[2022-10-15 22:08:12,001 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182247818] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:12,001 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:12,002 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:12,002 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845188042]
[2022-10-15 22:08:12,002 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:12,002 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:12,003 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:12,003 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:12,003 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:12,003 INFO  L87              Difference]: Start difference. First operand 8963 states and 14299 transitions. Second operand  has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:13,912 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:13,913 INFO  L93              Difference]: Finished difference Result 14613 states and 23673 transitions.
[2022-10-15 22:08:13,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-15 22:08:13,914 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132
[2022-10-15 22:08:13,914 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:13,961 INFO  L225             Difference]: With dead ends: 14613
[2022-10-15 22:08:13,962 INFO  L226             Difference]: Without dead ends: 14603
[2022-10-15 22:08:13,969 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-15 22:08:13,970 INFO  L413           NwaCegarLoop]: 1622 mSDtfsCounter, 3443 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 2600 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:13,970 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 2600 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-10-15 22:08:13,988 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14603 states.
[2022-10-15 22:08:15,225 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14603 to 14528.
[2022-10-15 22:08:15,247 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14528 states, 14276 states have (on average 1.6507425049033342) internal successors, (23566), 14527 states have internal predecessors, (23566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:15,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14528 states to 14528 states and 23566 transitions.
[2022-10-15 22:08:15,289 INFO  L78                 Accepts]: Start accepts. Automaton has 14528 states and 23566 transitions. Word has length 132
[2022-10-15 22:08:15,289 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:15,289 INFO  L495      AbstractCegarLoop]: Abstraction has 14528 states and 23566 transitions.
[2022-10-15 22:08:15,290 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:15,290 INFO  L276                IsEmpty]: Start isEmpty. Operand 14528 states and 23566 transitions.
[2022-10-15 22:08:15,292 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2022-10-15 22:08:15,292 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:15,292 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:15,292 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-10-15 22:08:15,293 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:15,293 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:15,293 INFO  L85        PathProgramCache]: Analyzing trace with hash -739908177, now seen corresponding path program 1 times
[2022-10-15 22:08:15,293 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:15,294 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693153982]
[2022-10-15 22:08:15,294 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:15,294 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:15,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:15,459 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:15,459 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:15,459 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693153982]
[2022-10-15 22:08:15,459 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693153982] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:15,460 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:15,460 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:15,460 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051421274]
[2022-10-15 22:08:15,460 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:15,461 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:15,461 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:15,461 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:15,461 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:15,462 INFO  L87              Difference]: Start difference. First operand 14528 states and 23566 transitions. Second operand  has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:17,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:17,808 INFO  L93              Difference]: Finished difference Result 26515 states and 43464 transitions.
[2022-10-15 22:08:17,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-15 22:08:17,809 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134
[2022-10-15 22:08:17,809 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:17,914 INFO  L225             Difference]: With dead ends: 26515
[2022-10-15 22:08:17,914 INFO  L226             Difference]: Without dead ends: 26510
[2022-10-15 22:08:17,931 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-15 22:08:17,932 INFO  L413           NwaCegarLoop]: 1851 mSDtfsCounter, 2445 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:17,933 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 3414 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-10-15 22:08:17,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26510 states.
[2022-10-15 22:08:19,588 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26510 to 14523.
[2022-10-15 22:08:19,603 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14523 states, 14276 states have (on average 1.6503922667413842) internal successors, (23561), 14522 states have internal predecessors, (23561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:19,638 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14523 states to 14523 states and 23561 transitions.
[2022-10-15 22:08:19,639 INFO  L78                 Accepts]: Start accepts. Automaton has 14523 states and 23561 transitions. Word has length 134
[2022-10-15 22:08:19,639 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:19,639 INFO  L495      AbstractCegarLoop]: Abstraction has 14523 states and 23561 transitions.
[2022-10-15 22:08:19,640 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:19,640 INFO  L276                IsEmpty]: Start isEmpty. Operand 14523 states and 23561 transitions.
[2022-10-15 22:08:19,641 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2022-10-15 22:08:19,642 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:19,642 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:19,642 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-10-15 22:08:19,642 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:19,643 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:19,643 INFO  L85        PathProgramCache]: Analyzing trace with hash -1462316506, now seen corresponding path program 1 times
[2022-10-15 22:08:19,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:19,643 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256077458]
[2022-10-15 22:08:19,643 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:19,643 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:19,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:19,808 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:19,808 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:19,809 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256077458]
[2022-10-15 22:08:19,809 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256077458] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:19,809 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:19,809 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:19,809 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151660261]
[2022-10-15 22:08:19,809 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:19,810 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:19,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:19,811 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:19,811 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:19,812 INFO  L87              Difference]: Start difference. First operand 14523 states and 23561 transitions. Second operand  has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:22,627 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:22,628 INFO  L93              Difference]: Finished difference Result 27614 states and 45261 transitions.
[2022-10-15 22:08:22,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-15 22:08:22,628 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135
[2022-10-15 22:08:22,628 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:22,718 INFO  L225             Difference]: With dead ends: 27614
[2022-10-15 22:08:22,718 INFO  L226             Difference]: Without dead ends: 27604
[2022-10-15 22:08:22,732 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-15 22:08:22,733 INFO  L413           NwaCegarLoop]: 1768 mSDtfsCounter, 3484 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3484 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:22,734 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3484 Valid, 2731 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-10-15 22:08:22,770 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27604 states.
[2022-10-15 22:08:25,799 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27604 to 27469.
[2022-10-15 22:08:25,829 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27469 states, 27231 states have (on average 1.6533362711615438) internal successors, (45022), 27468 states have internal predecessors, (45022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:25,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27469 states to 27469 states and 45022 transitions.
[2022-10-15 22:08:25,901 INFO  L78                 Accepts]: Start accepts. Automaton has 27469 states and 45022 transitions. Word has length 135
[2022-10-15 22:08:25,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:25,901 INFO  L495      AbstractCegarLoop]: Abstraction has 27469 states and 45022 transitions.
[2022-10-15 22:08:25,901 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:25,902 INFO  L276                IsEmpty]: Start isEmpty. Operand 27469 states and 45022 transitions.
[2022-10-15 22:08:25,903 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2022-10-15 22:08:25,903 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:25,904 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:25,904 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-10-15 22:08:25,904 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:25,904 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:25,905 INFO  L85        PathProgramCache]: Analyzing trace with hash 1225335254, now seen corresponding path program 1 times
[2022-10-15 22:08:25,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:25,906 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142105328]
[2022-10-15 22:08:25,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:25,906 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:25,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:26,079 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:26,079 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:26,079 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142105328]
[2022-10-15 22:08:26,080 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142105328] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:26,080 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:26,080 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:26,080 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942678500]
[2022-10-15 22:08:26,080 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:26,081 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:26,081 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:26,081 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:26,082 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:26,082 INFO  L87              Difference]: Start difference. First operand 27469 states and 45022 transitions. Second operand  has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:30,059 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-15 22:08:30,059 INFO  L93              Difference]: Finished difference Result 41167 states and 67916 transitions.
[2022-10-15 22:08:30,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-15 22:08:30,060 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147
[2022-10-15 22:08:30,060 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-15 22:08:30,134 INFO  L225             Difference]: With dead ends: 41167
[2022-10-15 22:08:30,134 INFO  L226             Difference]: Without dead ends: 41162
[2022-10-15 22:08:30,149 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-10-15 22:08:30,150 INFO  L413           NwaCegarLoop]: 2134 mSDtfsCounter, 2000 mSDsluCounter, 2141 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2000 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-10-15 22:08:30,150 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2000 Valid, 4275 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-10-15 22:08:30,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41162 states.
[2022-10-15 22:08:33,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41162 to 27464.
[2022-10-15 22:08:33,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27464 states, 27231 states have (on average 1.6531526568983879) internal successors, (45017), 27463 states have internal predecessors, (45017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:33,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27464 states to 27464 states and 45017 transitions.
[2022-10-15 22:08:33,540 INFO  L78                 Accepts]: Start accepts. Automaton has 27464 states and 45017 transitions. Word has length 147
[2022-10-15 22:08:33,540 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-15 22:08:33,540 INFO  L495      AbstractCegarLoop]: Abstraction has 27464 states and 45017 transitions.
[2022-10-15 22:08:33,541 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-15 22:08:33,541 INFO  L276                IsEmpty]: Start isEmpty. Operand 27464 states and 45017 transitions.
[2022-10-15 22:08:33,542 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2022-10-15 22:08:33,542 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-15 22:08:33,542 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-15 22:08:33,543 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-10-15 22:08:33,543 INFO  L420      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] ===
[2022-10-15 22:08:33,543 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-15 22:08:33,543 INFO  L85        PathProgramCache]: Analyzing trace with hash -669312254, now seen corresponding path program 1 times
[2022-10-15 22:08:33,544 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-15 22:08:33,548 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754862018]
[2022-10-15 22:08:33,548 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-15 22:08:33,548 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-15 22:08:33,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-15 22:08:33,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-15 22:08:33,751 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-15 22:08:33,752 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754862018]
[2022-10-15 22:08:33,752 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754862018] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-15 22:08:33,752 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-15 22:08:33,752 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-15 22:08:33,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411549259]
[2022-10-15 22:08:33,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-15 22:08:33,753 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-15 22:08:33,753 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-15 22:08:33,754 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-15 22:08:33,754 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-15 22:08:33,754 INFO  L87              Difference]: Start difference. First operand 27464 states and 45017 transitions. Second operand  has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 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)