/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/loop-invgen/apache-get-tag.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:40:34,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:40:34,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:40:34,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:40:34,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:40:34,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:40:34,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:40:34,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:40:34,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:40:34,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:40:34,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:40:34,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:40:34,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:40:34,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:40:34,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:40:34,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:40:34,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:40:34,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:40:34,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:40:34,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:40:34,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:40:34,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:40:34,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:40:34,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:40:34,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:40:34,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:40:34,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:40:34,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:40:34,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:40:34,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:40:34,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:40:34,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:40:34,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:40:34,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:40:34,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:40:34,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:40:34,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:40:34,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:40:34,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:40:34,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:40:34,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:40:34,470 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 21:40:34,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:40:34,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:40:34,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:40:34,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:40:34,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:40:34,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:40:34,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:40:34,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:40:34,525 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:40:34,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:40:34,527 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:40:34,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:40:34,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:40:34,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:40:34,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:40:34,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:40:34,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:40:34,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:40:34,528 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:40:34,529 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:40:34,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:40:34,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:40:34,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:40:34,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:40:34,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:40:34,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:40:34,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:40:34,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:40:34,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:40:34,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:40:34,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:40:34,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:40:34,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:40:34,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:40:34,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:40:35,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:40:35,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:40:35,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:40:35,007 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:40:35,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2022-10-15 21:40:35,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f763100/c24ae53295664d468da0c93b4f8f4eed/FLAGe052eca71 [2022-10-15 21:40:35,997 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:40:35,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2022-10-15 21:40:36,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f763100/c24ae53295664d468da0c93b4f8f4eed/FLAGe052eca71 [2022-10-15 21:40:36,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f763100/c24ae53295664d468da0c93b4f8f4eed [2022-10-15 21:40:36,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:40:36,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:40:36,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:40:36,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:40:36,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:40:36,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:40:36" (1/1) ... [2022-10-15 21:40:36,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ace9488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:36, skipping insertion in model container [2022-10-15 21:40:36,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:40:36" (1/1) ... [2022-10-15 21:40:36,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:40:36,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:40:36,499 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2022-10-15 21:40:36,502 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2022-10-15 21:40:37,273 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2022-10-15 21:40:37,279 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2022-10-15 21:40:37,289 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2022-10-15 21:40:37,294 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2022-10-15 21:40:37,302 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2022-10-15 21:40:37,307 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2022-10-15 21:40:37,313 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2022-10-15 21:40:37,318 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2022-10-15 21:40:37,327 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2022-10-15 21:40:37,334 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2022-10-15 21:40:37,341 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2022-10-15 21:40:37,346 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2022-10-15 21:40:37,352 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2022-10-15 21:40:37,361 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2022-10-15 21:40:37,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:40:37,394 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:40:37,408 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2022-10-15 21:40:37,409 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2022-10-15 21:40:37,697 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2022-10-15 21:40:37,701 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2022-10-15 21:40:37,707 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2022-10-15 21:40:37,711 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2022-10-15 21:40:37,716 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2022-10-15 21:40:37,720 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2022-10-15 21:40:37,746 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2022-10-15 21:40:37,750 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2022-10-15 21:40:37,755 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2022-10-15 21:40:37,759 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2022-10-15 21:40:37,763 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2022-10-15 21:40:37,767 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2022-10-15 21:40:37,774 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2022-10-15 21:40:37,778 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2022-10-15 21:40:37,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:40:37,803 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:40:37,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37 WrapperNode [2022-10-15 21:40:37,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:40:37,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:40:37,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:40:37,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:40:37,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:37,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:37,992 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3288 [2022-10-15 21:40:37,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:40:37,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:40:37,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:40:37,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:40:38,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:40:38,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:40:38,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:40:38,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:40:38,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (1/1) ... [2022-10-15 21:40:38,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:40:38,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:40:38,162 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 21:40:38,184 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 21:40:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:40:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:40:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:40:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:40:38,514 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:40:38,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:40:40,749 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:40:40,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:40:40,770 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:40:40,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:40:40 BoogieIcfgContainer [2022-10-15 21:40:40,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:40:40,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:40:40,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:40:40,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:40:40,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:40:36" (1/3) ... [2022-10-15 21:40:40,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a99169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:40:40, skipping insertion in model container [2022-10-15 21:40:40,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:37" (2/3) ... [2022-10-15 21:40:40,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a99169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:40:40, skipping insertion in model container [2022-10-15 21:40:40,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:40:40" (3/3) ... [2022-10-15 21:40:40,783 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2022-10-15 21:40:40,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:40:40,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 260 error locations. [2022-10-15 21:40:40,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:40:40,893 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;@4ad4b97e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:40:40,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 260 error locations. [2022-10-15 21:40:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 963 states, 702 states have (on average 1.9786324786324787) internal successors, (1389), 962 states have internal predecessors, (1389), 0 states have call successors, (0), 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 21:40:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 21:40:40,910 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:40,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 21:40:40,911 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:40,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:40,917 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 21:40:40,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:40,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645859872] [2022-10-15 21:40:40,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:40,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:41,153 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 21:40:41,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:41,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645859872] [2022-10-15 21:40:41,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645859872] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:41,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:41,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:40:41,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483670452] [2022-10-15 21:40:41,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:41,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:40:41,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:40:41,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:41,200 INFO L87 Difference]: Start difference. First operand has 963 states, 702 states have (on average 1.9786324786324787) internal successors, (1389), 962 states have internal predecessors, (1389), 0 states have call successors, (0), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 21:40:41,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:41,599 INFO L93 Difference]: Finished difference Result 966 states and 1391 transitions. [2022-10-15 21:40:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:40:41,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-15 21:40:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:41,622 INFO L225 Difference]: With dead ends: 966 [2022-10-15 21:40:41,622 INFO L226 Difference]: Without dead ends: 931 [2022-10-15 21:40:41,627 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 21:40:41,631 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 1368 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:41,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1088 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:41,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2022-10-15 21:40:41,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2022-10-15 21:40:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 672 states have (on average 1.4880952380952381) internal successors, (1000), 930 states have internal predecessors, (1000), 0 states have call successors, (0), 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 21:40:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1000 transitions. [2022-10-15 21:40:41,764 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1000 transitions. Word has length 4 [2022-10-15 21:40:41,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:41,764 INFO L495 AbstractCegarLoop]: Abstraction has 931 states and 1000 transitions. [2022-10-15 21:40:41,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 21:40:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1000 transitions. [2022-10-15 21:40:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 21:40:41,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:41,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 21:40:41,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:40:41,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:41,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash 28693763, now seen corresponding path program 1 times [2022-10-15 21:40:41,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:41,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628164616] [2022-10-15 21:40:41,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:41,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:41,816 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 21:40:41,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:41,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628164616] [2022-10-15 21:40:41,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628164616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:41,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:41,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:40:41,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587380696] [2022-10-15 21:40:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:41,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:40:41,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:41,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:40:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:41,821 INFO L87 Difference]: Start difference. First operand 931 states and 1000 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 21:40:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:42,038 INFO L93 Difference]: Finished difference Result 931 states and 1000 transitions. [2022-10-15 21:40:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:40:42,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-10-15 21:40:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:42,043 INFO L225 Difference]: With dead ends: 931 [2022-10-15 21:40:42,044 INFO L226 Difference]: Without dead ends: 930 [2022-10-15 21:40:42,045 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 21:40:42,046 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 0 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:42,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1794 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:40:42,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2022-10-15 21:40:42,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 930. [2022-10-15 21:40:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 672 states have (on average 1.4866071428571428) internal successors, (999), 929 states have internal predecessors, (999), 0 states have call successors, (0), 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 21:40:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 999 transitions. [2022-10-15 21:40:42,069 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 999 transitions. Word has length 5 [2022-10-15 21:40:42,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:42,069 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 999 transitions. [2022-10-15 21:40:42,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 21:40:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 999 transitions. [2022-10-15 21:40:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:40:42,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:42,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:42,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:40:42,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:42,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1215943068, now seen corresponding path program 1 times [2022-10-15 21:40:42,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:42,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315480334] [2022-10-15 21:40:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:42,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:42,194 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 21:40:42,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:42,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315480334] [2022-10-15 21:40:42,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315480334] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:42,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:42,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:40:42,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824722814] [2022-10-15 21:40:42,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:42,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:40:42,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:42,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:40:42,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:42,198 INFO L87 Difference]: Start difference. First operand 930 states and 999 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 21:40:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:43,120 INFO L93 Difference]: Finished difference Result 930 states and 999 transitions. [2022-10-15 21:40:43,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:40:43,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-15 21:40:43,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:43,149 INFO L225 Difference]: With dead ends: 930 [2022-10-15 21:40:43,149 INFO L226 Difference]: Without dead ends: 926 [2022-10-15 21:40:43,150 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 21:40:43,152 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 5 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:43,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1007 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:40:43,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-10-15 21:40:43,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2022-10-15 21:40:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 672 states have (on average 1.4806547619047619) internal successors, (995), 925 states have internal predecessors, (995), 0 states have call successors, (0), 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 21:40:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 995 transitions. [2022-10-15 21:40:43,175 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 995 transitions. Word has length 10 [2022-10-15 21:40:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:43,175 INFO L495 AbstractCegarLoop]: Abstraction has 926 states and 995 transitions. [2022-10-15 21:40:43,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 21:40:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 995 transitions. [2022-10-15 21:40:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-15 21:40:43,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:43,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:43,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:40:43,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:43,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:43,178 INFO L85 PathProgramCache]: Analyzing trace with hash -379651032, now seen corresponding path program 1 times [2022-10-15 21:40:43,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:43,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003395517] [2022-10-15 21:40:43,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:43,296 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 21:40:43,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:43,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003395517] [2022-10-15 21:40:43,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003395517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:43,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:43,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:40:43,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647577465] [2022-10-15 21:40:43,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:43,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:40:43,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:43,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:40:43,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:43,302 INFO L87 Difference]: Start difference. First operand 926 states and 995 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 21:40:44,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:44,609 INFO L93 Difference]: Finished difference Result 932 states and 1002 transitions. [2022-10-15 21:40:44,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:40:44,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-15 21:40:44,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:44,615 INFO L225 Difference]: With dead ends: 932 [2022-10-15 21:40:44,615 INFO L226 Difference]: Without dead ends: 928 [2022-10-15 21:40:44,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:44,618 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 33 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:44,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 997 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:40:44,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2022-10-15 21:40:44,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 927. [2022-10-15 21:40:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 676 states have (on average 1.4733727810650887) internal successors, (996), 926 states have internal predecessors, (996), 0 states have call successors, (0), 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 21:40:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 996 transitions. [2022-10-15 21:40:44,641 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 996 transitions. Word has length 16 [2022-10-15 21:40:44,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:44,641 INFO L495 AbstractCegarLoop]: Abstraction has 927 states and 996 transitions. [2022-10-15 21:40:44,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 21:40:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 996 transitions. [2022-10-15 21:40:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 21:40:44,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:44,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:44,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:40:44,643 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:44,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1115720270, now seen corresponding path program 1 times [2022-10-15 21:40:44,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:44,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447644308] [2022-10-15 21:40:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:44,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:44,736 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 21:40:44,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:44,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447644308] [2022-10-15 21:40:44,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447644308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:44,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:44,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:40:44,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829838622] [2022-10-15 21:40:44,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:44,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:40:44,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:44,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:40:44,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:44,740 INFO L87 Difference]: Start difference. First operand 927 states and 996 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 21:40:45,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:45,949 INFO L93 Difference]: Finished difference Result 927 states and 996 transitions. [2022-10-15 21:40:45,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:40:45,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2022-10-15 21:40:45,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:45,954 INFO L225 Difference]: With dead ends: 927 [2022-10-15 21:40:45,954 INFO L226 Difference]: Without dead ends: 800 [2022-10-15 21:40:45,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:45,957 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 721 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:45,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 53 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:40:45,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-10-15 21:40:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2022-10-15 21:40:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 676 states have (on average 1.2855029585798816) internal successors, (869), 799 states have internal predecessors, (869), 0 states have call successors, (0), 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 21:40:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 869 transitions. [2022-10-15 21:40:45,978 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 869 transitions. Word has length 17 [2022-10-15 21:40:45,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:45,978 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 869 transitions. [2022-10-15 21:40:45,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 21:40:45,978 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 869 transitions. [2022-10-15 21:40:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 21:40:45,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:45,980 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] [2022-10-15 21:40:45,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:40:45,980 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:45,981 INFO L85 PathProgramCache]: Analyzing trace with hash -696578060, now seen corresponding path program 1 times [2022-10-15 21:40:45,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:45,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547609535] [2022-10-15 21:40:45,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:45,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:46,068 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 21:40:46,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:46,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547609535] [2022-10-15 21:40:46,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547609535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:46,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:46,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:40:46,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030825943] [2022-10-15 21:40:46,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:46,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:40:46,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:46,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:40:46,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:40:46,071 INFO L87 Difference]: Start difference. First operand 800 states and 869 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 21:40:47,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:47,423 INFO L93 Difference]: Finished difference Result 818 states and 889 transitions. [2022-10-15 21:40:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:40:47,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-10-15 21:40:47,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:47,429 INFO L225 Difference]: With dead ends: 818 [2022-10-15 21:40:47,429 INFO L226 Difference]: Without dead ends: 813 [2022-10-15 21:40:47,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:40:47,431 INFO L413 NwaCegarLoop]: 806 mSDtfsCounter, 58 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 2488 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 2498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:47,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 867 Invalid, 2498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2488 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 21:40:47,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2022-10-15 21:40:47,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 811. [2022-10-15 21:40:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 690 states have (on average 1.2782608695652173) internal successors, (882), 810 states have internal predecessors, (882), 0 states have call successors, (0), 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 21:40:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 882 transitions. [2022-10-15 21:40:47,452 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 882 transitions. Word has length 22 [2022-10-15 21:40:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:47,453 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 882 transitions. [2022-10-15 21:40:47,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 21:40:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 882 transitions. [2022-10-15 21:40:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 21:40:47,455 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:47,455 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] [2022-10-15 21:40:47,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:40:47,455 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:47,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash -9070336, now seen corresponding path program 1 times [2022-10-15 21:40:47,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:47,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055393713] [2022-10-15 21:40:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:47,559 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 21:40:47,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:47,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055393713] [2022-10-15 21:40:47,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055393713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:47,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:47,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:40:47,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434253508] [2022-10-15 21:40:47,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:47,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:40:47,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:47,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:40:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:40:47,562 INFO L87 Difference]: Start difference. First operand 811 states and 882 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 21:40:48,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:48,571 INFO L93 Difference]: Finished difference Result 848 states and 923 transitions. [2022-10-15 21:40:48,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:40:48,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-10-15 21:40:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:48,575 INFO L225 Difference]: With dead ends: 848 [2022-10-15 21:40:48,575 INFO L226 Difference]: Without dead ends: 842 [2022-10-15 21:40:48,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:40:48,577 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 131 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:48,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 835 Invalid, 1741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:40:48,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2022-10-15 21:40:48,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 838. [2022-10-15 21:40:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 719 states have (on average 1.2698191933240612) internal successors, (913), 837 states have internal predecessors, (913), 0 states have call successors, (0), 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 21:40:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 913 transitions. [2022-10-15 21:40:48,599 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 913 transitions. Word has length 28 [2022-10-15 21:40:48,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:48,599 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 913 transitions. [2022-10-15 21:40:48,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 21:40:48,600 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 913 transitions. [2022-10-15 21:40:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 21:40:48,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:48,602 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] [2022-10-15 21:40:48,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:40:48,602 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:48,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash -126769332, now seen corresponding path program 1 times [2022-10-15 21:40:48,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:48,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992974006] [2022-10-15 21:40:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:48,793 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 21:40:48,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:48,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992974006] [2022-10-15 21:40:48,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992974006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:48,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:48,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:40:48,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221226862] [2022-10-15 21:40:48,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:48,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:40:48,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:48,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:40:48,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:40:48,806 INFO L87 Difference]: Start difference. First operand 838 states and 913 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 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 21:40:49,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:49,944 INFO L93 Difference]: Finished difference Result 878 states and 957 transitions. [2022-10-15 21:40:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:40:49,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-15 21:40:49,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:49,950 INFO L225 Difference]: With dead ends: 878 [2022-10-15 21:40:49,950 INFO L226 Difference]: Without dead ends: 872 [2022-10-15 21:40:49,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:40:49,952 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 261 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:49,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 845 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:40:49,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2022-10-15 21:40:49,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 868. [2022-10-15 21:40:49,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 751 states have (on average 1.2609853528628496) internal successors, (947), 867 states have internal predecessors, (947), 0 states have call successors, (0), 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 21:40:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 947 transitions. [2022-10-15 21:40:49,975 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 947 transitions. Word has length 34 [2022-10-15 21:40:49,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:49,975 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 947 transitions. [2022-10-15 21:40:49,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 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 21:40:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 947 transitions. [2022-10-15 21:40:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 21:40:49,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:49,977 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] [2022-10-15 21:40:49,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:40:49,978 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:49,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:49,978 INFO L85 PathProgramCache]: Analyzing trace with hash -754562344, now seen corresponding path program 1 times [2022-10-15 21:40:49,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:49,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82468278] [2022-10-15 21:40:49,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:49,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:50,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:50,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82468278] [2022-10-15 21:40:50,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82468278] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:50,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:50,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:40:50,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237628920] [2022-10-15 21:40:50,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:50,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:40:50,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:50,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:40:50,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:40:50,116 INFO L87 Difference]: Start difference. First operand 868 states and 947 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 21:40:51,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:51,715 INFO L93 Difference]: Finished difference Result 908 states and 991 transitions. [2022-10-15 21:40:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:40:51,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-15 21:40:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:51,721 INFO L225 Difference]: With dead ends: 908 [2022-10-15 21:40:51,721 INFO L226 Difference]: Without dead ends: 902 [2022-10-15 21:40:51,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:40:51,725 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 212 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 3232 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 3262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 3232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:51,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 840 Invalid, 3262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 3232 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:40:51,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2022-10-15 21:40:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 898. [2022-10-15 21:40:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 783 states have (on average 1.2528735632183907) internal successors, (981), 897 states have internal predecessors, (981), 0 states have call successors, (0), 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 21:40:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 981 transitions. [2022-10-15 21:40:51,756 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 981 transitions. Word has length 40 [2022-10-15 21:40:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:51,757 INFO L495 AbstractCegarLoop]: Abstraction has 898 states and 981 transitions. [2022-10-15 21:40:51,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 21:40:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 981 transitions. [2022-10-15 21:40:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 21:40:51,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:51,761 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] [2022-10-15 21:40:51,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:40:51,762 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash 926847908, now seen corresponding path program 1 times [2022-10-15 21:40:51,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:51,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768694794] [2022-10-15 21:40:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:51,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:51,969 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 21:40:51,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:51,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768694794] [2022-10-15 21:40:51,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768694794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:51,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:51,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:40:51,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800421631] [2022-10-15 21:40:51,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:51,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:40:51,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:51,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:40:51,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:40:51,972 INFO L87 Difference]: Start difference. First operand 898 states and 981 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 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 21:40:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:53,235 INFO L93 Difference]: Finished difference Result 938 states and 1025 transitions. [2022-10-15 21:40:53,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:40:53,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-15 21:40:53,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:53,244 INFO L225 Difference]: With dead ends: 938 [2022-10-15 21:40:53,244 INFO L226 Difference]: Without dead ends: 932 [2022-10-15 21:40:53,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:40:53,246 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 363 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:53,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 831 Invalid, 1891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1840 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:40:53,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-10-15 21:40:53,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 928. [2022-10-15 21:40:53,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 815 states have (on average 1.2453987730061349) internal successors, (1015), 927 states have internal predecessors, (1015), 0 states have call successors, (0), 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 21:40:53,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1015 transitions. [2022-10-15 21:40:53,274 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1015 transitions. Word has length 46 [2022-10-15 21:40:53,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:53,274 INFO L495 AbstractCegarLoop]: Abstraction has 928 states and 1015 transitions. [2022-10-15 21:40:53,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 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 21:40:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1015 transitions. [2022-10-15 21:40:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:40:53,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:53,277 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] [2022-10-15 21:40:53,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:40:53,277 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:53,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:53,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1130786384, now seen corresponding path program 1 times [2022-10-15 21:40:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:53,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572468700] [2022-10-15 21:40:53,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:53,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:53,542 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 21:40:53,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:53,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572468700] [2022-10-15 21:40:53,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572468700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:53,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:53,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 21:40:53,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700796445] [2022-10-15 21:40:53,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:53,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 21:40:53,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:53,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 21:40:53,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:40:53,547 INFO L87 Difference]: Start difference. First operand 928 states and 1015 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 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 21:40:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:54,795 INFO L93 Difference]: Finished difference Result 968 states and 1059 transitions. [2022-10-15 21:40:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:40:54,795 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-15 21:40:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:54,801 INFO L225 Difference]: With dead ends: 968 [2022-10-15 21:40:54,801 INFO L226 Difference]: Without dead ends: 962 [2022-10-15 21:40:54,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:40:54,803 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 539 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:54,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 824 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:40:54,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-10-15 21:40:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 958. [2022-10-15 21:40:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 847 states have (on average 1.2384887839433294) internal successors, (1049), 957 states have internal predecessors, (1049), 0 states have call successors, (0), 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 21:40:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1049 transitions. [2022-10-15 21:40:54,826 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1049 transitions. Word has length 52 [2022-10-15 21:40:54,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:54,827 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1049 transitions. [2022-10-15 21:40:54,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 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 21:40:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1049 transitions. [2022-10-15 21:40:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:40:54,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:54,828 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] [2022-10-15 21:40:54,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:40:54,829 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:54,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2096474884, now seen corresponding path program 1 times [2022-10-15 21:40:54,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:54,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6035086] [2022-10-15 21:40:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:54,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:55,029 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 21:40:55,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:55,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6035086] [2022-10-15 21:40:55,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6035086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:55,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:55,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 21:40:55,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640451463] [2022-10-15 21:40:55,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:55,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-15 21:40:55,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:55,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-15 21:40:55,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:40:55,031 INFO L87 Difference]: Start difference. First operand 958 states and 1049 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 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 21:40:56,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:56,894 INFO L93 Difference]: Finished difference Result 998 states and 1093 transitions. [2022-10-15 21:40:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:40:56,897 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 21:40:56,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:56,902 INFO L225 Difference]: With dead ends: 998 [2022-10-15 21:40:56,902 INFO L226 Difference]: Without dead ends: 992 [2022-10-15 21:40:56,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:40:56,903 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 465 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 3296 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 3361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:56,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 849 Invalid, 3361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 3296 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:40:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-10-15 21:40:56,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 988. [2022-10-15 21:40:56,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 879 states have (on average 1.2320819112627985) internal successors, (1083), 987 states have internal predecessors, (1083), 0 states have call successors, (0), 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 21:40:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1083 transitions. [2022-10-15 21:40:56,945 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1083 transitions. Word has length 58 [2022-10-15 21:40:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:56,946 INFO L495 AbstractCegarLoop]: Abstraction has 988 states and 1083 transitions. [2022-10-15 21:40:56,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 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 21:40:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1083 transitions. [2022-10-15 21:40:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 21:40:56,947 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:56,948 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] [2022-10-15 21:40:56,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:40:56,948 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:56,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:56,949 INFO L85 PathProgramCache]: Analyzing trace with hash 200797576, now seen corresponding path program 1 times [2022-10-15 21:40:56,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:56,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119064404] [2022-10-15 21:40:56,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:56,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:57,191 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 21:40:57,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:57,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119064404] [2022-10-15 21:40:57,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119064404] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:57,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:57,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 21:40:57,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586779237] [2022-10-15 21:40:57,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:57,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 21:40:57,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:57,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 21:40:57,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:40:57,193 INFO L87 Difference]: Start difference. First operand 988 states and 1083 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 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 21:40:58,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:58,564 INFO L93 Difference]: Finished difference Result 1028 states and 1127 transitions. [2022-10-15 21:40:58,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:40:58,564 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-15 21:40:58,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:58,570 INFO L225 Difference]: With dead ends: 1028 [2022-10-15 21:40:58,570 INFO L226 Difference]: Without dead ends: 1022 [2022-10-15 21:40:58,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:40:58,575 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 816 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:58,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 822 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1896 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 21:40:58,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-10-15 21:40:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1018. [2022-10-15 21:40:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 911 states have (on average 1.2261251372118551) internal successors, (1117), 1017 states have internal predecessors, (1117), 0 states have call successors, (0), 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 21:40:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1117 transitions. [2022-10-15 21:40:58,600 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1117 transitions. Word has length 64 [2022-10-15 21:40:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:58,601 INFO L495 AbstractCegarLoop]: Abstraction has 1018 states and 1117 transitions. [2022-10-15 21:40:58,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 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 21:40:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1117 transitions. [2022-10-15 21:40:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:40:58,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:58,602 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] [2022-10-15 21:40:58,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:40:58,603 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:40:58,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:58,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1396534100, now seen corresponding path program 1 times [2022-10-15 21:40:58,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:58,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337290726] [2022-10-15 21:40:58,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:58,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:58,920 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 21:40:58,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:58,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337290726] [2022-10-15 21:40:58,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337290726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:58,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:58,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-15 21:40:58,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132344277] [2022-10-15 21:40:58,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:58,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-15 21:40:58,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:58,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-15 21:40:58,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:40:58,923 INFO L87 Difference]: Start difference. First operand 1018 states and 1117 transitions. Second operand has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 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 21:41:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:00,030 INFO L93 Difference]: Finished difference Result 1058 states and 1161 transitions. [2022-10-15 21:41:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:41:00,031 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-15 21:41:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:00,039 INFO L225 Difference]: With dead ends: 1058 [2022-10-15 21:41:00,040 INFO L226 Difference]: Without dead ends: 1052 [2022-10-15 21:41:00,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:41:00,041 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 1179 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:00,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 820 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:41:00,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-10-15 21:41:00,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1048. [2022-10-15 21:41:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 943 states have (on average 1.2205726405090138) internal successors, (1151), 1047 states have internal predecessors, (1151), 0 states have call successors, (0), 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 21:41:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1151 transitions. [2022-10-15 21:41:00,067 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1151 transitions. Word has length 70 [2022-10-15 21:41:00,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:00,067 INFO L495 AbstractCegarLoop]: Abstraction has 1048 states and 1151 transitions. [2022-10-15 21:41:00,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 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 21:41:00,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1151 transitions. [2022-10-15 21:41:00,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:41:00,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:00,069 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] [2022-10-15 21:41:00,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:41:00,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:00,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:00,070 INFO L85 PathProgramCache]: Analyzing trace with hash 673832544, now seen corresponding path program 1 times [2022-10-15 21:41:00,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:00,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736340568] [2022-10-15 21:41:00,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:00,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:00,401 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 21:41:00,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:00,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736340568] [2022-10-15 21:41:00,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736340568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:00,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:00,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-15 21:41:00,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512005819] [2022-10-15 21:41:00,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:00,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:41:00,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:00,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:41:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:41:00,405 INFO L87 Difference]: Start difference. First operand 1048 states and 1151 transitions. Second operand has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:02,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:02,073 INFO L93 Difference]: Finished difference Result 1088 states and 1195 transitions. [2022-10-15 21:41:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-15 21:41:02,074 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-15 21:41:02,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:02,079 INFO L225 Difference]: With dead ends: 1088 [2022-10-15 21:41:02,079 INFO L226 Difference]: Without dead ends: 1082 [2022-10-15 21:41:02,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:41:02,080 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 980 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 2746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:02,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 827 Invalid, 2746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2610 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 21:41:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2022-10-15 21:41:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1078. [2022-10-15 21:41:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 975 states have (on average 1.2153846153846153) internal successors, (1185), 1077 states have internal predecessors, (1185), 0 states have call successors, (0), 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 21:41:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1185 transitions. [2022-10-15 21:41:02,110 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1185 transitions. Word has length 76 [2022-10-15 21:41:02,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:02,110 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1185 transitions. [2022-10-15 21:41:02,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1185 transitions. [2022-10-15 21:41:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 21:41:02,112 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:02,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:41:02,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:41:02,113 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:02,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash -964667732, now seen corresponding path program 1 times [2022-10-15 21:41:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:02,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312170932] [2022-10-15 21:41:02,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:02,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:02,475 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 21:41:02,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:02,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312170932] [2022-10-15 21:41:02,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312170932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:02,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:02,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-15 21:41:02,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822142554] [2022-10-15 21:41:02,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:02,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-15 21:41:02,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:02,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-15 21:41:02,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2022-10-15 21:41:02,479 INFO L87 Difference]: Start difference. First operand 1078 states and 1185 transitions. Second operand has 15 states, 14 states have (on average 5.857142857142857) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 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 21:41:03,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:03,760 INFO L93 Difference]: Finished difference Result 1118 states and 1229 transitions. [2022-10-15 21:41:03,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 21:41:03,761 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.857142857142857) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-15 21:41:03,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:03,767 INFO L225 Difference]: With dead ends: 1118 [2022-10-15 21:41:03,767 INFO L226 Difference]: Without dead ends: 1112 [2022-10-15 21:41:03,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2022-10-15 21:41:03,769 INFO L413 NwaCegarLoop]: 663 mSDtfsCounter, 1268 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:03,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 818 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:41:03,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-10-15 21:41:03,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1108. [2022-10-15 21:41:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1007 states have (on average 1.2105263157894737) internal successors, (1219), 1107 states have internal predecessors, (1219), 0 states have call successors, (0), 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 21:41:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1219 transitions. [2022-10-15 21:41:03,799 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1219 transitions. Word has length 82 [2022-10-15 21:41:03,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:03,800 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 1219 transitions. [2022-10-15 21:41:03,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.857142857142857) internal successors, (82), 15 states have internal predecessors, (82), 0 states have call successors, (0), 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 21:41:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1219 transitions. [2022-10-15 21:41:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:41:03,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:03,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:41:03,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:41:03,802 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:03,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1351097288, now seen corresponding path program 1 times [2022-10-15 21:41:03,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:03,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753325957] [2022-10-15 21:41:03,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:03,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:04,234 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 21:41:04,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:04,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753325957] [2022-10-15 21:41:04,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753325957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:04,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:04,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-10-15 21:41:04,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682587511] [2022-10-15 21:41:04,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:04,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-15 21:41:04,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:04,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-15 21:41:04,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:41:04,237 INFO L87 Difference]: Start difference. First operand 1108 states and 1219 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 0 states have call successors, (0), 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 21:41:06,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:06,499 INFO L93 Difference]: Finished difference Result 1148 states and 1263 transitions. [2022-10-15 21:41:06,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 21:41:06,500 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-15 21:41:06,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:06,505 INFO L225 Difference]: With dead ends: 1148 [2022-10-15 21:41:06,505 INFO L226 Difference]: Without dead ends: 1142 [2022-10-15 21:41:06,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:41:06,507 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 912 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 3973 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 4102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 3973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:06,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 845 Invalid, 4102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 3973 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:41:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-10-15 21:41:06,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1138. [2022-10-15 21:41:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1039 states have (on average 1.2059672762271414) internal successors, (1253), 1137 states have internal predecessors, (1253), 0 states have call successors, (0), 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 21:41:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1253 transitions. [2022-10-15 21:41:06,560 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1253 transitions. Word has length 88 [2022-10-15 21:41:06,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:06,560 INFO L495 AbstractCegarLoop]: Abstraction has 1138 states and 1253 transitions. [2022-10-15 21:41:06,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 16 states have internal predecessors, (88), 0 states have call successors, (0), 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 21:41:06,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1253 transitions. [2022-10-15 21:41:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 21:41:06,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:06,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:41:06,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:41:06,563 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:06,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:06,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1027893500, now seen corresponding path program 1 times [2022-10-15 21:41:06,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:06,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309401126] [2022-10-15 21:41:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:06,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:07,015 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 21:41:07,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:07,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309401126] [2022-10-15 21:41:07,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309401126] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:07,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:07,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-15 21:41:07,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961297628] [2022-10-15 21:41:07,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:07,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-15 21:41:07,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:07,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-15 21:41:07,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:41:07,018 INFO L87 Difference]: Start difference. First operand 1138 states and 1253 transitions. Second operand has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 0 states have call successors, (0), 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 21:41:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:09,090 INFO L93 Difference]: Finished difference Result 1178 states and 1297 transitions. [2022-10-15 21:41:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:41:09,091 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 21:41:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:09,097 INFO L225 Difference]: With dead ends: 1178 [2022-10-15 21:41:09,097 INFO L226 Difference]: Without dead ends: 1172 [2022-10-15 21:41:09,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:41:09,099 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 1058 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 3413 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 3413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:09,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 837 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 3413 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-15 21:41:09,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-10-15 21:41:09,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1168. [2022-10-15 21:41:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 1071 states have (on average 1.2016806722689075) internal successors, (1287), 1167 states have internal predecessors, (1287), 0 states have call successors, (0), 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 21:41:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1287 transitions. [2022-10-15 21:41:09,127 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1287 transitions. Word has length 94 [2022-10-15 21:41:09,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:09,127 INFO L495 AbstractCegarLoop]: Abstraction has 1168 states and 1287 transitions. [2022-10-15 21:41:09,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 0 states have call successors, (0), 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 21:41:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1287 transitions. [2022-10-15 21:41:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-15 21:41:09,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:09,130 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] [2022-10-15 21:41:09,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:41:09,130 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:09,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1754628336, now seen corresponding path program 1 times [2022-10-15 21:41:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:09,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124241574] [2022-10-15 21:41:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:09,558 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 21:41:09,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:09,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124241574] [2022-10-15 21:41:09,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124241574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:09,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:09,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-15 21:41:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523040384] [2022-10-15 21:41:09,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:09,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-15 21:41:09,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:09,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-15 21:41:09,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2022-10-15 21:41:09,561 INFO L87 Difference]: Start difference. First operand 1168 states and 1287 transitions. Second operand has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 0 states have call successors, (0), 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 21:41:11,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:11,949 INFO L93 Difference]: Finished difference Result 1208 states and 1331 transitions. [2022-10-15 21:41:11,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-15 21:41:11,950 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-15 21:41:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:11,955 INFO L225 Difference]: With dead ends: 1208 [2022-10-15 21:41:11,955 INFO L226 Difference]: Without dead ends: 1202 [2022-10-15 21:41:11,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2022-10-15 21:41:11,956 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 1150 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 4103 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1150 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 4270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 4103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:11,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1150 Valid, 843 Invalid, 4270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 4103 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-15 21:41:11,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-10-15 21:41:11,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1198. [2022-10-15 21:41:11,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1103 states have (on average 1.1976427923844062) internal successors, (1321), 1197 states have internal predecessors, (1321), 0 states have call successors, (0), 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 21:41:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1321 transitions. [2022-10-15 21:41:11,984 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1321 transitions. Word has length 100 [2022-10-15 21:41:11,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:11,984 INFO L495 AbstractCegarLoop]: Abstraction has 1198 states and 1321 transitions. [2022-10-15 21:41:11,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 0 states have call successors, (0), 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 21:41:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1321 transitions. [2022-10-15 21:41:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 21:41:11,991 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:11,991 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] [2022-10-15 21:41:11,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 21:41:11,991 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:11,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:11,992 INFO L85 PathProgramCache]: Analyzing trace with hash 353872988, now seen corresponding path program 1 times [2022-10-15 21:41:11,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:11,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137721551] [2022-10-15 21:41:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:12,468 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 21:41:12,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:12,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137721551] [2022-10-15 21:41:12,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137721551] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:12,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:12,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-10-15 21:41:12,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763507874] [2022-10-15 21:41:12,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:12,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-15 21:41:12,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:12,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-15 21:41:12,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2022-10-15 21:41:12,471 INFO L87 Difference]: Start difference. First operand 1198 states and 1321 transitions. Second operand has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 19 states have internal predecessors, (106), 0 states have call successors, (0), 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 21:41:15,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:15,117 INFO L93 Difference]: Finished difference Result 1238 states and 1365 transitions. [2022-10-15 21:41:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-15 21:41:15,118 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 19 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-15 21:41:15,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:15,124 INFO L225 Difference]: With dead ends: 1238 [2022-10-15 21:41:15,124 INFO L226 Difference]: Without dead ends: 1232 [2022-10-15 21:41:15,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2022-10-15 21:41:15,125 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 1279 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 4759 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 4947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 4759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:15,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 849 Invalid, 4947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 4759 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-15 21:41:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2022-10-15 21:41:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1228. [2022-10-15 21:41:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1135 states have (on average 1.1938325991189427) internal successors, (1355), 1227 states have internal predecessors, (1355), 0 states have call successors, (0), 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 21:41:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1355 transitions. [2022-10-15 21:41:15,154 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1355 transitions. Word has length 106 [2022-10-15 21:41:15,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:15,155 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 1355 transitions. [2022-10-15 21:41:15,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 19 states have internal predecessors, (106), 0 states have call successors, (0), 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 21:41:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1355 transitions. [2022-10-15 21:41:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 21:41:15,157 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:15,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:41:15,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 21:41:15,158 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:15,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1288318696, now seen corresponding path program 1 times [2022-10-15 21:41:15,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:15,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425570825] [2022-10-15 21:41:15,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:15,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:15,651 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 21:41:15,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:15,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425570825] [2022-10-15 21:41:15,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425570825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:15,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:15,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-15 21:41:15,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946187577] [2022-10-15 21:41:15,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:15,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-15 21:41:15,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:15,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-15 21:41:15,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2022-10-15 21:41:15,654 INFO L87 Difference]: Start difference. First operand 1228 states and 1355 transitions. Second operand has 20 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:17,772 INFO L93 Difference]: Finished difference Result 1268 states and 1399 transitions. [2022-10-15 21:41:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-15 21:41:17,773 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 21:41:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:17,779 INFO L225 Difference]: With dead ends: 1268 [2022-10-15 21:41:17,780 INFO L226 Difference]: Without dead ends: 1262 [2022-10-15 21:41:17,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2022-10-15 21:41:17,781 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 1644 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 3401 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 3633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 3401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:17,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 840 Invalid, 3633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 3401 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 21:41:17,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-10-15 21:41:17,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1258. [2022-10-15 21:41:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1167 states have (on average 1.1902313624678664) internal successors, (1389), 1257 states have internal predecessors, (1389), 0 states have call successors, (0), 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 21:41:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1389 transitions. [2022-10-15 21:41:17,808 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1389 transitions. Word has length 112 [2022-10-15 21:41:17,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:17,809 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1389 transitions. [2022-10-15 21:41:17,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.894736842105263) internal successors, (112), 20 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1389 transitions. [2022-10-15 21:41:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 21:41:17,812 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:17,812 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 21:41:17,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 21:41:17,812 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:17,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:17,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1845684556, now seen corresponding path program 1 times [2022-10-15 21:41:17,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:17,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815427453] [2022-10-15 21:41:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:17,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:18,367 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 21:41:18,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:18,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815427453] [2022-10-15 21:41:18,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815427453] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:18,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:18,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-10-15 21:41:18,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279874038] [2022-10-15 21:41:18,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:18,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-15 21:41:18,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:18,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-15 21:41:18,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-10-15 21:41:18,371 INFO L87 Difference]: Start difference. First operand 1258 states and 1389 transitions. Second operand has 21 states, 20 states have (on average 5.9) internal successors, (118), 21 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 21:41:20,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:20,035 INFO L93 Difference]: Finished difference Result 1298 states and 1433 transitions. [2022-10-15 21:41:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-15 21:41:20,038 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 5.9) internal successors, (118), 21 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 21:41:20,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:20,043 INFO L225 Difference]: With dead ends: 1298 [2022-10-15 21:41:20,043 INFO L226 Difference]: Without dead ends: 1292 [2022-10-15 21:41:20,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-10-15 21:41:20,044 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 2306 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2306 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:20,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2306 Valid, 812 Invalid, 2345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:41:20,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-10-15 21:41:20,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1288. [2022-10-15 21:41:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1199 states have (on average 1.1868223519599665) internal successors, (1423), 1287 states have internal predecessors, (1423), 0 states have call successors, (0), 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 21:41:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1423 transitions. [2022-10-15 21:41:20,073 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1423 transitions. Word has length 118 [2022-10-15 21:41:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:20,074 INFO L495 AbstractCegarLoop]: Abstraction has 1288 states and 1423 transitions. [2022-10-15 21:41:20,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 5.9) internal successors, (118), 21 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 21:41:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1423 transitions. [2022-10-15 21:41:20,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 21:41:20,076 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:20,077 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] [2022-10-15 21:41:20,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 21:41:20,077 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:20,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash -744524864, now seen corresponding path program 1 times [2022-10-15 21:41:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:20,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836343206] [2022-10-15 21:41:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:20,705 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 21:41:20,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:20,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836343206] [2022-10-15 21:41:20,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836343206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:20,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:20,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-10-15 21:41:20,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588711625] [2022-10-15 21:41:20,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:20,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-15 21:41:20,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-15 21:41:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:41:20,708 INFO L87 Difference]: Start difference. First operand 1288 states and 1423 transitions. Second operand has 22 states, 21 states have (on average 5.904761904761905) internal successors, (124), 22 states have internal predecessors, (124), 0 states have call successors, (0), 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 21:41:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:22,735 INFO L93 Difference]: Finished difference Result 1328 states and 1467 transitions. [2022-10-15 21:41:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-15 21:41:22,736 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.904761904761905) internal successors, (124), 22 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-15 21:41:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:22,741 INFO L225 Difference]: With dead ends: 1328 [2022-10-15 21:41:22,741 INFO L226 Difference]: Without dead ends: 1322 [2022-10-15 21:41:22,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:41:22,745 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 2242 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 2966 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 3285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 2966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:22,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2242 Valid, 837 Invalid, 3285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 2966 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-15 21:41:22,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2022-10-15 21:41:22,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1318. [2022-10-15 21:41:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 1231 states have (on average 1.1835905767668562) internal successors, (1457), 1317 states have internal predecessors, (1457), 0 states have call successors, (0), 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 21:41:22,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1457 transitions. [2022-10-15 21:41:22,777 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1457 transitions. Word has length 124 [2022-10-15 21:41:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:22,777 INFO L495 AbstractCegarLoop]: Abstraction has 1318 states and 1457 transitions. [2022-10-15 21:41:22,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.904761904761905) internal successors, (124), 22 states have internal predecessors, (124), 0 states have call successors, (0), 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 21:41:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1457 transitions. [2022-10-15 21:41:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 21:41:22,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:22,780 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] [2022-10-15 21:41:22,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 21:41:22,781 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:22,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:22,781 INFO L85 PathProgramCache]: Analyzing trace with hash 890525196, now seen corresponding path program 1 times [2022-10-15 21:41:22,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:22,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302978938] [2022-10-15 21:41:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:22,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:23,480 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 21:41:23,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:23,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302978938] [2022-10-15 21:41:23,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302978938] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:23,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:23,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-10-15 21:41:23,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586310626] [2022-10-15 21:41:23,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:23,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-15 21:41:23,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:23,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-15 21:41:23,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:41:23,484 INFO L87 Difference]: Start difference. First operand 1318 states and 1457 transitions. Second operand has 23 states, 22 states have (on average 5.909090909090909) internal successors, (130), 23 states have internal predecessors, (130), 0 states have call successors, (0), 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 21:41:25,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:25,290 INFO L93 Difference]: Finished difference Result 1358 states and 1501 transitions. [2022-10-15 21:41:25,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 21:41:25,291 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.909090909090909) internal successors, (130), 23 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-15 21:41:25,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:25,295 INFO L225 Difference]: With dead ends: 1358 [2022-10-15 21:41:25,296 INFO L226 Difference]: Without dead ends: 1352 [2022-10-15 21:41:25,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:41:25,298 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 2617 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 2793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:25,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 829 Invalid, 2793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [371 Valid, 2422 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 21:41:25,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2022-10-15 21:41:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1348. [2022-10-15 21:41:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1263 states have (on average 1.180522565320665) internal successors, (1491), 1347 states have internal predecessors, (1491), 0 states have call successors, (0), 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 21:41:25,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1491 transitions. [2022-10-15 21:41:25,330 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1491 transitions. Word has length 130 [2022-10-15 21:41:25,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:25,330 INFO L495 AbstractCegarLoop]: Abstraction has 1348 states and 1491 transitions. [2022-10-15 21:41:25,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.909090909090909) internal successors, (130), 23 states have internal predecessors, (130), 0 states have call successors, (0), 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 21:41:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1491 transitions. [2022-10-15 21:41:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-15 21:41:25,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:25,334 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] [2022-10-15 21:41:25,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 21:41:25,334 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 257 more)] === [2022-10-15 21:41:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash -416100968, now seen corresponding path program 1 times [2022-10-15 21:41:25,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:25,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753016706] [2022-10-15 21:41:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:25,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:26,046 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 21:41:26,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:26,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753016706] [2022-10-15 21:41:26,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753016706] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:26,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:41:26,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-10-15 21:41:26,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759075904] [2022-10-15 21:41:26,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:26,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-15 21:41:26,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:26,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-15 21:41:26,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-10-15 21:41:26,049 INFO L87 Difference]: Start difference. First operand 1348 states and 1491 transitions. Second operand has 24 states, 23 states have (on average 5.913043478260869) internal successors, (136), 24 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)