/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:19:36,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:19:36,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:19:37,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:19:37,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:19:37,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:19:37,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:19:37,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:19:37,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:19:37,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:19:37,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:19:37,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:19:37,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:19:37,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:19:37,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:19:37,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:19:37,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:19:37,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:19:37,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:19:37,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:19:37,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:19:37,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:19:37,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:19:37,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:19:37,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 00:19:37,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:19:37,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:19:37,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:19:37,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:19:37,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:19:37,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:19:37,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:19:37,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:19:37,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:19:37,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:19:37,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:19:37,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:19:37,096 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:19:37,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:19:37,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:19:37,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:19:37,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:19:37,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:19:37,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:19:37,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:19:37,099 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:19:37,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:19:37,100 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:19:37,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:19:37,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:19:37,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:19:37,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:19:37,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:19:37,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:19:37,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:19:37,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:19:37,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:19:37,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:19:37,103 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:19:37,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:19:37,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:19:37,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:19:37,332 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:19:37,332 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:19:37,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2023-03-31 00:19:38,443 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:19:38,677 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:19:38,678 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2023-03-31 00:19:38,690 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3c53cd7/52399105cc9e4d669fe4733ea996ebba/FLAG4f98cc90c [2023-03-31 00:19:38,702 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3c53cd7/52399105cc9e4d669fe4733ea996ebba [2023-03-31 00:19:38,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:19:38,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:19:38,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:19:38,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:19:38,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:19:38,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:19:38" (1/1) ... [2023-03-31 00:19:38,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1511bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:38, skipping insertion in model container [2023-03-31 00:19:38,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:19:38" (1/1) ... [2023-03-31 00:19:38,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:19:38,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:19:38,942 WARN L247 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+nlh-reducer.c[901,914] [2023-03-31 00:19:38,946 WARN L247 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+nlh-reducer.c[1116,1129] [2023-03-31 00:19:38,948 WARN L247 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+nlh-reducer.c[1625,1638] [2023-03-31 00:19:38,949 WARN L247 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+nlh-reducer.c[1840,1853] [2023-03-31 00:19:38,950 WARN L247 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+nlh-reducer.c[2157,2170] [2023-03-31 00:19:38,951 WARN L247 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+nlh-reducer.c[2372,2385] [2023-03-31 00:19:38,953 WARN L247 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+nlh-reducer.c[2867,2880] [2023-03-31 00:19:38,954 WARN L247 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+nlh-reducer.c[3082,3095] [2023-03-31 00:19:38,956 WARN L247 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+nlh-reducer.c[3384,3397] [2023-03-31 00:19:38,957 WARN L247 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+nlh-reducer.c[3602,3615] [2023-03-31 00:19:38,958 WARN L247 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+nlh-reducer.c[3878,3891] [2023-03-31 00:19:38,959 WARN L247 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+nlh-reducer.c[4096,4109] [2023-03-31 00:19:38,961 WARN L247 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+nlh-reducer.c[4582,4595] [2023-03-31 00:19:38,962 WARN L247 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+nlh-reducer.c[4800,4813] [2023-03-31 00:19:39,124 WARN L247 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+nlh-reducer.c[47686,47699] [2023-03-31 00:19:39,128 WARN L247 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+nlh-reducer.c[47907,47920] [2023-03-31 00:19:39,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:19:39,150 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:19:39,161 WARN L247 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+nlh-reducer.c[901,914] [2023-03-31 00:19:39,162 WARN L247 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+nlh-reducer.c[1116,1129] [2023-03-31 00:19:39,163 WARN L247 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+nlh-reducer.c[1625,1638] [2023-03-31 00:19:39,164 WARN L247 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+nlh-reducer.c[1840,1853] [2023-03-31 00:19:39,164 WARN L247 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+nlh-reducer.c[2157,2170] [2023-03-31 00:19:39,165 WARN L247 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+nlh-reducer.c[2372,2385] [2023-03-31 00:19:39,166 WARN L247 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+nlh-reducer.c[2867,2880] [2023-03-31 00:19:39,167 WARN L247 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+nlh-reducer.c[3082,3095] [2023-03-31 00:19:39,168 WARN L247 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+nlh-reducer.c[3384,3397] [2023-03-31 00:19:39,169 WARN L247 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+nlh-reducer.c[3602,3615] [2023-03-31 00:19:39,170 WARN L247 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+nlh-reducer.c[3878,3891] [2023-03-31 00:19:39,171 WARN L247 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+nlh-reducer.c[4096,4109] [2023-03-31 00:19:39,172 WARN L247 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+nlh-reducer.c[4582,4595] [2023-03-31 00:19:39,173 WARN L247 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+nlh-reducer.c[4800,4813] [2023-03-31 00:19:39,310 WARN L247 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+nlh-reducer.c[47686,47699] [2023-03-31 00:19:39,314 WARN L247 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+nlh-reducer.c[47907,47920] [2023-03-31 00:19:39,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:19:39,334 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:19:39,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39 WrapperNode [2023-03-31 00:19:39,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:19:39,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:19:39,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:19:39,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:19:39,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:19:39,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:19:39,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:19:39,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:19:39,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (1/1) ... [2023-03-31 00:19:39,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:19:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:19:39,482 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) [2023-03-31 00:19:39,503 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 [2023-03-31 00:19:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:19:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:19:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:19:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 00:19:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:19:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:19:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:19:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:19:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:19:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:19:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:19:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:19:39,741 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:19:39,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:19:40,762 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:19:40,780 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:19:40,781 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 00:19:40,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:19:40 BoogieIcfgContainer [2023-03-31 00:19:40,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:19:40,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:19:40,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:19:40,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:19:40,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:19:38" (1/3) ... [2023-03-31 00:19:40,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f9d8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:19:40, skipping insertion in model container [2023-03-31 00:19:40,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:19:39" (2/3) ... [2023-03-31 00:19:40,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f9d8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:19:40, skipping insertion in model container [2023-03-31 00:19:40,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:19:40" (3/3) ... [2023-03-31 00:19:40,792 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2023-03-31 00:19:40,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:19:40,808 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-03-31 00:19:40,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:19:40,879 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=PETRI_NET, 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;@49209a7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:19:40,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-03-31 00:19:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 309 states, 288 states have (on average 1.9652777777777777) internal successors, (566), 304 states have internal predecessors, (566), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-31 00:19:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-03-31 00:19:40,892 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:40,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:40,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:40,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:40,898 INFO L85 PathProgramCache]: Analyzing trace with hash -191009829, now seen corresponding path program 1 times [2023-03-31 00:19:40,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:40,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353764164] [2023-03-31 00:19:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:40,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:41,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:41,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353764164] [2023-03-31 00:19:41,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353764164] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:41,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:41,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 00:19:41,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744868338] [2023-03-31 00:19:41,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:41,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 00:19:41,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:41,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 00:19:41,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:19:41,234 INFO L87 Difference]: Start difference. First operand has 309 states, 288 states have (on average 1.9652777777777777) internal successors, (566), 304 states have internal predecessors, (566), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:42,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:42,267 INFO L93 Difference]: Finished difference Result 327 states and 589 transitions. [2023-03-31 00:19:42,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:19:42,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-03-31 00:19:42,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:42,286 INFO L225 Difference]: With dead ends: 327 [2023-03-31 00:19:42,286 INFO L226 Difference]: Without dead ends: 307 [2023-03-31 00:19:42,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-03-31 00:19:42,295 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 921 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:42,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 109 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-31 00:19:42,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-03-31 00:19:42,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2023-03-31 00:19:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 284 states have (on average 1.4859154929577465) internal successors, (422), 298 states have internal predecessors, (422), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 425 transitions. [2023-03-31 00:19:42,357 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 425 transitions. Word has length 11 [2023-03-31 00:19:42,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:42,357 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 425 transitions. [2023-03-31 00:19:42,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 425 transitions. [2023-03-31 00:19:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-03-31 00:19:42,358 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:42,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:42,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:19:42,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:42,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:42,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1626334337, now seen corresponding path program 1 times [2023-03-31 00:19:42,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:42,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144275888] [2023-03-31 00:19:42,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:42,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:42,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:42,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144275888] [2023-03-31 00:19:42,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144275888] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:42,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:42,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 00:19:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214966290] [2023-03-31 00:19:42,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:42,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 00:19:42,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:42,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 00:19:42,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-31 00:19:42,474 INFO L87 Difference]: Start difference. First operand 302 states and 425 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:43,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:43,312 INFO L93 Difference]: Finished difference Result 312 states and 435 transitions. [2023-03-31 00:19:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:19:43,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-03-31 00:19:43,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:43,315 INFO L225 Difference]: With dead ends: 312 [2023-03-31 00:19:43,315 INFO L226 Difference]: Without dead ends: 304 [2023-03-31 00:19:43,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:19:43,316 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 323 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:43,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 176 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 00:19:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2023-03-31 00:19:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 297. [2023-03-31 00:19:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 280 states have (on average 1.275) internal successors, (357), 293 states have internal predecessors, (357), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 360 transitions. [2023-03-31 00:19:43,329 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 360 transitions. Word has length 12 [2023-03-31 00:19:43,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:43,330 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 360 transitions. [2023-03-31 00:19:43,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 360 transitions. [2023-03-31 00:19:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-03-31 00:19:43,330 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:43,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:43,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:19:43,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr2ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:43,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:43,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1610084340, now seen corresponding path program 1 times [2023-03-31 00:19:43,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:43,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22745118] [2023-03-31 00:19:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:43,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:43,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:43,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22745118] [2023-03-31 00:19:43,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22745118] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:43,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:43,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 00:19:43,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416927717] [2023-03-31 00:19:43,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:43,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 00:19:43,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:43,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 00:19:43,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:19:43,418 INFO L87 Difference]: Start difference. First operand 297 states and 360 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:43,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:43,923 INFO L93 Difference]: Finished difference Result 297 states and 360 transitions. [2023-03-31 00:19:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 00:19:43,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-03-31 00:19:43,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:43,925 INFO L225 Difference]: With dead ends: 297 [2023-03-31 00:19:43,925 INFO L226 Difference]: Without dead ends: 295 [2023-03-31 00:19:43,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:43,927 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 567 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:43,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 55 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:43,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-03-31 00:19:43,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-03-31 00:19:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 279 states have (on average 1.2724014336917562) internal successors, (355), 291 states have internal predecessors, (355), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2023-03-31 00:19:43,937 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 12 [2023-03-31 00:19:43,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:43,937 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2023-03-31 00:19:43,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2023-03-31 00:19:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-03-31 00:19:43,938 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:43,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:43,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 00:19:43,938 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:43,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:43,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1626996098, now seen corresponding path program 1 times [2023-03-31 00:19:43,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:43,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631539270] [2023-03-31 00:19:43,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:43,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:44,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:44,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631539270] [2023-03-31 00:19:44,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631539270] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:44,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:44,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 00:19:44,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828811768] [2023-03-31 00:19:44,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:44,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 00:19:44,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:44,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 00:19:44,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:19:44,009 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:44,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:44,606 INFO L93 Difference]: Finished difference Result 300 states and 363 transitions. [2023-03-31 00:19:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:19:44,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-03-31 00:19:44,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:44,608 INFO L225 Difference]: With dead ends: 300 [2023-03-31 00:19:44,608 INFO L226 Difference]: Without dead ends: 298 [2023-03-31 00:19:44,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:44,609 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 281 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:44,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 110 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 00:19:44,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-03-31 00:19:44,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2023-03-31 00:19:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 282 states have (on average 1.2695035460992907) internal successors, (358), 294 states have internal predecessors, (358), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 361 transitions. [2023-03-31 00:19:44,618 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 361 transitions. Word has length 13 [2023-03-31 00:19:44,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:44,618 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 361 transitions. [2023-03-31 00:19:44,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 361 transitions. [2023-03-31 00:19:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-03-31 00:19:44,619 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:44,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:44,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 00:19:44,619 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr4ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:44,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:44,626 INFO L85 PathProgramCache]: Analyzing trace with hash 175251398, now seen corresponding path program 1 times [2023-03-31 00:19:44,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:44,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909437162] [2023-03-31 00:19:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:44,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:44,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:44,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909437162] [2023-03-31 00:19:44,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909437162] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:44,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:44,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 00:19:44,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020477023] [2023-03-31 00:19:44,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:44,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 00:19:44,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:44,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 00:19:44,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 00:19:44,734 INFO L87 Difference]: Start difference. First operand 298 states and 361 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:45,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:45,339 INFO L93 Difference]: Finished difference Result 298 states and 361 transitions. [2023-03-31 00:19:45,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:19:45,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-03-31 00:19:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:45,340 INFO L225 Difference]: With dead ends: 298 [2023-03-31 00:19:45,341 INFO L226 Difference]: Without dead ends: 296 [2023-03-31 00:19:45,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:19:45,342 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 526 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:45,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 110 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 00:19:45,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-03-31 00:19:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2023-03-31 00:19:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 281 states have (on average 1.2669039145907472) internal successors, (356), 292 states have internal predecessors, (356), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 359 transitions. [2023-03-31 00:19:45,350 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 359 transitions. Word has length 15 [2023-03-31 00:19:45,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:45,350 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 359 transitions. [2023-03-31 00:19:45,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:45,350 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 359 transitions. [2023-03-31 00:19:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-03-31 00:19:45,351 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:45,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:45,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 00:19:45,351 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr5ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:45,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:45,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1137829144, now seen corresponding path program 1 times [2023-03-31 00:19:45,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:45,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117238224] [2023-03-31 00:19:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:45,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:45,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117238224] [2023-03-31 00:19:45,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117238224] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:45,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:45,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 00:19:45,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246456085] [2023-03-31 00:19:45,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:45,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 00:19:45,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:45,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 00:19:45,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:19:45,438 INFO L87 Difference]: Start difference. First operand 296 states and 359 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:46,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:46,012 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2023-03-31 00:19:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 00:19:46,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-03-31 00:19:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:46,014 INFO L225 Difference]: With dead ends: 296 [2023-03-31 00:19:46,014 INFO L226 Difference]: Without dead ends: 292 [2023-03-31 00:19:46,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:46,016 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 251 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:46,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 129 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:46,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-03-31 00:19:46,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2023-03-31 00:19:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 278 states have (on average 1.2661870503597121) internal successors, (352), 288 states have internal predecessors, (352), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2023-03-31 00:19:46,025 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 16 [2023-03-31 00:19:46,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:46,025 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2023-03-31 00:19:46,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2023-03-31 00:19:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-31 00:19:46,027 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:46,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:46,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 00:19:46,027 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr6ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:46,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:46,028 INFO L85 PathProgramCache]: Analyzing trace with hash 926233143, now seen corresponding path program 1 times [2023-03-31 00:19:46,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:46,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386722824] [2023-03-31 00:19:46,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:46,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:46,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386722824] [2023-03-31 00:19:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386722824] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:46,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:46,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 00:19:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430136253] [2023-03-31 00:19:46,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:46,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 00:19:46,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:46,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 00:19:46,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 00:19:46,125 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:46,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:46,931 INFO L93 Difference]: Finished difference Result 309 states and 374 transitions. [2023-03-31 00:19:46,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:19:46,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-03-31 00:19:46,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:46,933 INFO L225 Difference]: With dead ends: 309 [2023-03-31 00:19:46,933 INFO L226 Difference]: Without dead ends: 307 [2023-03-31 00:19:46,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:19:46,935 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 544 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:46,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 118 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 00:19:46,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-03-31 00:19:46,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 290. [2023-03-31 00:19:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 277 states have (on average 1.263537906137184) internal successors, (350), 286 states have internal predecessors, (350), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2023-03-31 00:19:46,943 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 17 [2023-03-31 00:19:46,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:46,944 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2023-03-31 00:19:46,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2023-03-31 00:19:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-31 00:19:46,945 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:46,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:46,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 00:19:46,945 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr12ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:46,945 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:46,946 INFO L85 PathProgramCache]: Analyzing trace with hash 927772343, now seen corresponding path program 1 times [2023-03-31 00:19:46,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:46,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490430050] [2023-03-31 00:19:46,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:46,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:47,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:47,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490430050] [2023-03-31 00:19:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490430050] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:47,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:47,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 00:19:47,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399308597] [2023-03-31 00:19:47,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:47,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 00:19:47,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:47,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 00:19:47,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 00:19:47,005 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:47,580 INFO L93 Difference]: Finished difference Result 290 states and 353 transitions. [2023-03-31 00:19:47,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:19:47,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-03-31 00:19:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:47,582 INFO L225 Difference]: With dead ends: 290 [2023-03-31 00:19:47,582 INFO L226 Difference]: Without dead ends: 288 [2023-03-31 00:19:47,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:19:47,583 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 516 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:47,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 92 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:47,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-03-31 00:19:47,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2023-03-31 00:19:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 276 states have (on average 1.2608695652173914) internal successors, (348), 284 states have internal predecessors, (348), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2023-03-31 00:19:47,596 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 17 [2023-03-31 00:19:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:47,596 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2023-03-31 00:19:47,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2023-03-31 00:19:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-31 00:19:47,601 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:47,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:47,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 00:19:47,602 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:47,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:47,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1470973679, now seen corresponding path program 1 times [2023-03-31 00:19:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:47,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201536291] [2023-03-31 00:19:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:47,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:47,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:47,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201536291] [2023-03-31 00:19:47,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201536291] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:47,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:47,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:47,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907162507] [2023-03-31 00:19:47,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:47,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:47,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:47,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:47,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:47,751 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:48,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:48,437 INFO L93 Difference]: Finished difference Result 312 states and 377 transitions. [2023-03-31 00:19:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 00:19:48,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-03-31 00:19:48,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:48,439 INFO L225 Difference]: With dead ends: 312 [2023-03-31 00:19:48,439 INFO L226 Difference]: Without dead ends: 310 [2023-03-31 00:19:48,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-31 00:19:48,440 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 318 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:48,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 112 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 00:19:48,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-03-31 00:19:48,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 288. [2023-03-31 00:19:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 276 states have (on average 1.2608695652173914) internal successors, (348), 284 states have internal predecessors, (348), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2023-03-31 00:19:48,448 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 17 [2023-03-31 00:19:48,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:48,449 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2023-03-31 00:19:48,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2023-03-31 00:19:48,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-31 00:19:48,449 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:48,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:48,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-31 00:19:48,450 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr10ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:48,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:48,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1350175097, now seen corresponding path program 1 times [2023-03-31 00:19:48,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:48,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923967810] [2023-03-31 00:19:48,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:48,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:48,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:48,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923967810] [2023-03-31 00:19:48,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923967810] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:48,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:48,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 00:19:48,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720963062] [2023-03-31 00:19:48,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:48,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 00:19:48,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:48,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 00:19:48,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 00:19:48,507 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:49,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:49,098 INFO L93 Difference]: Finished difference Result 311 states and 376 transitions. [2023-03-31 00:19:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:19:49,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-03-31 00:19:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:49,100 INFO L225 Difference]: With dead ends: 311 [2023-03-31 00:19:49,100 INFO L226 Difference]: Without dead ends: 309 [2023-03-31 00:19:49,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:19:49,101 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 535 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:49,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 110 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:49,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-03-31 00:19:49,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 286. [2023-03-31 00:19:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 275 states have (on average 1.2581818181818183) internal successors, (346), 282 states have internal predecessors, (346), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2023-03-31 00:19:49,109 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 18 [2023-03-31 00:19:49,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:49,109 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2023-03-31 00:19:49,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2023-03-31 00:19:49,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-31 00:19:49,110 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:49,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:49,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-03-31 00:19:49,110 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr7ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:49,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:49,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1351540517, now seen corresponding path program 1 times [2023-03-31 00:19:49,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:49,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692563009] [2023-03-31 00:19:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:49,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:49,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:49,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692563009] [2023-03-31 00:19:49,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692563009] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:49,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:49,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:49,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623974398] [2023-03-31 00:19:49,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:49,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:49,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:49,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:49,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:49,257 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:49,956 INFO L93 Difference]: Finished difference Result 320 states and 387 transitions. [2023-03-31 00:19:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 00:19:49,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-03-31 00:19:49,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:49,958 INFO L225 Difference]: With dead ends: 320 [2023-03-31 00:19:49,958 INFO L226 Difference]: Without dead ends: 318 [2023-03-31 00:19:49,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:19:49,959 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 284 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:49,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 154 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 00:19:49,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-03-31 00:19:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 294. [2023-03-31 00:19:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 283 states have (on average 1.2579505300353357) internal successors, (356), 290 states have internal predecessors, (356), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2023-03-31 00:19:49,968 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 18 [2023-03-31 00:19:49,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:49,969 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2023-03-31 00:19:49,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2023-03-31 00:19:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-31 00:19:49,969 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:49,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:49,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-03-31 00:19:49,970 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr13ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:49,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:49,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1303825267, now seen corresponding path program 1 times [2023-03-31 00:19:49,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:49,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907132457] [2023-03-31 00:19:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:49,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:50,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:50,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907132457] [2023-03-31 00:19:50,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907132457] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:50,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:50,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:50,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656233914] [2023-03-31 00:19:50,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:50,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:50,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:50,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:50,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:50,140 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:50,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:50,874 INFO L93 Difference]: Finished difference Result 304 states and 369 transitions. [2023-03-31 00:19:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:19:50,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-03-31 00:19:50,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:50,876 INFO L225 Difference]: With dead ends: 304 [2023-03-31 00:19:50,876 INFO L226 Difference]: Without dead ends: 300 [2023-03-31 00:19:50,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:19:50,877 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 257 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:50,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 150 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 00:19:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-03-31 00:19:50,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 295. [2023-03-31 00:19:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 284 states have (on average 1.2570422535211268) internal successors, (357), 291 states have internal predecessors, (357), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 360 transitions. [2023-03-31 00:19:50,885 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 360 transitions. Word has length 18 [2023-03-31 00:19:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:50,885 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 360 transitions. [2023-03-31 00:19:50,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 360 transitions. [2023-03-31 00:19:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-03-31 00:19:50,885 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:50,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:50,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-03-31 00:19:50,886 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr11ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:50,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1094248106, now seen corresponding path program 1 times [2023-03-31 00:19:50,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:50,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238878424] [2023-03-31 00:19:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:50,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:50,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:50,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238878424] [2023-03-31 00:19:50,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238878424] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:50,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:50,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:50,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870517373] [2023-03-31 00:19:50,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:50,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:50,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:50,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:50,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:50,993 INFO L87 Difference]: Start difference. First operand 295 states and 360 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:51,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:51,705 INFO L93 Difference]: Finished difference Result 321 states and 388 transitions. [2023-03-31 00:19:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 00:19:51,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-03-31 00:19:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:51,709 INFO L225 Difference]: With dead ends: 321 [2023-03-31 00:19:51,709 INFO L226 Difference]: Without dead ends: 319 [2023-03-31 00:19:51,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:19:51,710 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 277 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:51,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 174 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 00:19:51,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-03-31 00:19:51,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 298. [2023-03-31 00:19:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 287 states have (on average 1.254355400696864) internal successors, (360), 294 states have internal predecessors, (360), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 363 transitions. [2023-03-31 00:19:51,721 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 363 transitions. Word has length 19 [2023-03-31 00:19:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:51,722 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 363 transitions. [2023-03-31 00:19:51,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 363 transitions. [2023-03-31 00:19:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-03-31 00:19:51,723 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:51,723 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] [2023-03-31 00:19:51,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-03-31 00:19:51,724 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr8ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:51,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1750216322, now seen corresponding path program 1 times [2023-03-31 00:19:51,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:51,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615717704] [2023-03-31 00:19:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:51,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:51,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:51,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615717704] [2023-03-31 00:19:51,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615717704] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:51,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:51,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 00:19:51,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558801413] [2023-03-31 00:19:51,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:51,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 00:19:51,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:51,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 00:19:51,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:19:51,817 INFO L87 Difference]: Start difference. First operand 298 states and 363 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:52,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:52,290 INFO L93 Difference]: Finished difference Result 298 states and 363 transitions. [2023-03-31 00:19:52,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 00:19:52,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-03-31 00:19:52,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:52,292 INFO L225 Difference]: With dead ends: 298 [2023-03-31 00:19:52,292 INFO L226 Difference]: Without dead ends: 296 [2023-03-31 00:19:52,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:52,293 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 569 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:52,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 73 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:19:52,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-03-31 00:19:52,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2023-03-31 00:19:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 286 states have (on average 1.2517482517482517) internal successors, (358), 292 states have internal predecessors, (358), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 361 transitions. [2023-03-31 00:19:52,301 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 361 transitions. Word has length 20 [2023-03-31 00:19:52,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:52,301 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 361 transitions. [2023-03-31 00:19:52,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 361 transitions. [2023-03-31 00:19:52,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-03-31 00:19:52,302 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:52,302 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] [2023-03-31 00:19:52,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-03-31 00:19:52,302 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr9ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:52,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:52,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1577872003, now seen corresponding path program 1 times [2023-03-31 00:19:52,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:52,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514322411] [2023-03-31 00:19:52,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:52,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:52,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:52,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514322411] [2023-03-31 00:19:52,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514322411] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:52,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:52,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 00:19:52,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970865712] [2023-03-31 00:19:52,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:52,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 00:19:52,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:52,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 00:19:52,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:19:52,368 INFO L87 Difference]: Start difference. First operand 296 states and 361 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:52,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:52,902 INFO L93 Difference]: Finished difference Result 296 states and 361 transitions. [2023-03-31 00:19:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 00:19:52,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-03-31 00:19:52,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:52,903 INFO L225 Difference]: With dead ends: 296 [2023-03-31 00:19:52,903 INFO L226 Difference]: Without dead ends: 292 [2023-03-31 00:19:52,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:52,904 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 246 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:52,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 101 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:52,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-03-31 00:19:52,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2023-03-31 00:19:52,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 283 states have (on average 1.2508833922261484) internal successors, (354), 288 states have internal predecessors, (354), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2023-03-31 00:19:52,912 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 21 [2023-03-31 00:19:52,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:52,912 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2023-03-31 00:19:52,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:52,913 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2023-03-31 00:19:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-03-31 00:19:52,913 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:52,913 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] [2023-03-31 00:19:52,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-03-31 00:19:52,913 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:52,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:52,914 INFO L85 PathProgramCache]: Analyzing trace with hash -383054022, now seen corresponding path program 1 times [2023-03-31 00:19:52,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:52,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307238252] [2023-03-31 00:19:52,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:52,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:53,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:53,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307238252] [2023-03-31 00:19:53,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307238252] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:53,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:53,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:53,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130309615] [2023-03-31 00:19:53,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:53,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:53,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:53,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:53,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:53,015 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:53,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:53,558 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2023-03-31 00:19:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:19:53,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-03-31 00:19:53,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:53,559 INFO L225 Difference]: With dead ends: 292 [2023-03-31 00:19:53,559 INFO L226 Difference]: Without dead ends: 290 [2023-03-31 00:19:53,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-03-31 00:19:53,560 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 932 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:53,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 44 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:53,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-03-31 00:19:53,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2023-03-31 00:19:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 279 states have (on average 1.2508960573476702) internal successors, (349), 283 states have internal predecessors, (349), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2023-03-31 00:19:53,568 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 21 [2023-03-31 00:19:53,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:53,569 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2023-03-31 00:19:53,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2023-03-31 00:19:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-03-31 00:19:53,569 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:53,569 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] [2023-03-31 00:19:53,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-03-31 00:19:53,570 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr11ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:53,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:53,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1682632114, now seen corresponding path program 1 times [2023-03-31 00:19:53,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:53,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78301622] [2023-03-31 00:19:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:53,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:53,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:53,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78301622] [2023-03-31 00:19:53,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78301622] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:53,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:53,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:53,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762402150] [2023-03-31 00:19:53,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:53,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:53,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:53,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:53,673 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:54,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:54,257 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2023-03-31 00:19:54,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:19:54,257 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-03-31 00:19:54,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:54,259 INFO L225 Difference]: With dead ends: 302 [2023-03-31 00:19:54,259 INFO L226 Difference]: Without dead ends: 300 [2023-03-31 00:19:54,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-03-31 00:19:54,260 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 722 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:54,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 63 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:54,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-03-31 00:19:54,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 282. [2023-03-31 00:19:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 275 states have (on average 1.250909090909091) internal successors, (344), 278 states have internal predecessors, (344), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 347 transitions. [2023-03-31 00:19:54,267 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 347 transitions. Word has length 22 [2023-03-31 00:19:54,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:54,267 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 347 transitions. [2023-03-31 00:19:54,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 347 transitions. [2023-03-31 00:19:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-03-31 00:19:54,268 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:54,268 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] [2023-03-31 00:19:54,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-03-31 00:19:54,268 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr7ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:54,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1297761964, now seen corresponding path program 1 times [2023-03-31 00:19:54,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:54,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865105559] [2023-03-31 00:19:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:54,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:54,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:54,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865105559] [2023-03-31 00:19:54,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865105559] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:54,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:54,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:54,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756108479] [2023-03-31 00:19:54,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:54,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:54,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:54,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:54,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:54,355 INFO L87 Difference]: Start difference. First operand 282 states and 347 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:54,943 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2023-03-31 00:19:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:19:54,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-03-31 00:19:54,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:54,944 INFO L225 Difference]: With dead ends: 294 [2023-03-31 00:19:54,944 INFO L226 Difference]: Without dead ends: 292 [2023-03-31 00:19:54,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-03-31 00:19:54,945 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 715 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:54,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 57 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:19:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-03-31 00:19:54,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 277. [2023-03-31 00:19:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 271 states have (on average 1.2472324723247232) internal successors, (338), 273 states have internal predecessors, (338), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 341 transitions. [2023-03-31 00:19:54,953 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 341 transitions. Word has length 22 [2023-03-31 00:19:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:54,953 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 341 transitions. [2023-03-31 00:19:54,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 341 transitions. [2023-03-31 00:19:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-03-31 00:19:54,954 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:54,954 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] [2023-03-31 00:19:54,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-03-31 00:19:54,954 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr13ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:54,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1345477214, now seen corresponding path program 1 times [2023-03-31 00:19:54,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:54,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204897808] [2023-03-31 00:19:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:54,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:55,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204897808] [2023-03-31 00:19:55,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204897808] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:55,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:55,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:19:55,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416958298] [2023-03-31 00:19:55,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:55,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:19:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:55,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:19:55,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:19:55,041 INFO L87 Difference]: Start difference. First operand 277 states and 341 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:55,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:19:55,548 INFO L93 Difference]: Finished difference Result 277 states and 341 transitions. [2023-03-31 00:19:55,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:19:55,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-03-31 00:19:55,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:19:55,551 INFO L225 Difference]: With dead ends: 277 [2023-03-31 00:19:55,551 INFO L226 Difference]: Without dead ends: 254 [2023-03-31 00:19:55,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:19:55,552 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 696 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:19:55,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 47 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:19:55,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-03-31 00:19:55,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2023-03-31 00:19:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 249 states have (on average 1.0080321285140563) internal successors, (251), 250 states have internal predecessors, (251), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 254 transitions. [2023-03-31 00:19:55,557 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 254 transitions. Word has length 22 [2023-03-31 00:19:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:19:55,557 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 254 transitions. [2023-03-31 00:19:55,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:19:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 254 transitions. [2023-03-31 00:19:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-03-31 00:19:55,560 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:19:55,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:19:55,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-03-31 00:19:55,561 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:19:55,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:19:55,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1242952801, now seen corresponding path program 1 times [2023-03-31 00:19:55,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:19:55,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910383410] [2023-03-31 00:19:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:19:55,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:19:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:19:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:19:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:19:59,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:19:59,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910383410] [2023-03-31 00:19:59,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910383410] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:19:59,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:19:59,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2023-03-31 00:19:59,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306202772] [2023-03-31 00:19:59,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:19:59,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-03-31 00:19:59,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:19:59,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-03-31 00:19:59,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1836, Invalid=2196, Unknown=0, NotChecked=0, Total=4032 [2023-03-31 00:19:59,584 INFO L87 Difference]: Start difference. First operand 254 states and 254 transitions. Second operand has 64 states, 64 states have (on average 3.828125) internal successors, (245), 63 states have internal predecessors, (245), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:20:01,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:20:01,735 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2023-03-31 00:20:01,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-03-31 00:20:01,736 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 3.828125) internal successors, (245), 63 states have internal predecessors, (245), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 248 [2023-03-31 00:20:01,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:20:01,738 INFO L225 Difference]: With dead ends: 255 [2023-03-31 00:20:01,738 INFO L226 Difference]: Without dead ends: 253 [2023-03-31 00:20:01,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1946 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=5560, Invalid=9940, Unknown=0, NotChecked=0, Total=15500 [2023-03-31 00:20:01,744 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 281 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:20:01,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 43 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 00:20:01,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-03-31 00:20:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 252. [2023-03-31 00:20:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 248 states have (on average 1.0040322580645162) internal successors, (249), 248 states have internal predecessors, (249), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:20:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 252 transitions. [2023-03-31 00:20:01,749 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 252 transitions. Word has length 248 [2023-03-31 00:20:01,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:20:01,750 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 252 transitions. [2023-03-31 00:20:01,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.828125) internal successors, (245), 63 states have internal predecessors, (245), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:20:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 252 transitions. [2023-03-31 00:20:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-03-31 00:20:01,752 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:20:01,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:20:01,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-03-31 00:20:01,752 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr15ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2023-03-31 00:20:01,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:20:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash 123173085, now seen corresponding path program 1 times [2023-03-31 00:20:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:20:01,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377380512] [2023-03-31 00:20:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:20:01,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:20:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:20:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:20:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:20:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:20:02,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:20:02,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377380512] [2023-03-31 00:20:02,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377380512] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:20:02,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:20:02,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:20:02,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158348643] [2023-03-31 00:20:02,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:20:02,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:20:02,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:20:02,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:20:02,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:20:02,379 INFO L87 Difference]: Start difference. First operand 252 states and 252 transitions. Second operand has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 6 states have internal predecessors, (246), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:20:02,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:20:02,785 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2023-03-31 00:20:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:20:02,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 6 states have internal predecessors, (246), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 249 [2023-03-31 00:20:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:20:02,786 INFO L225 Difference]: With dead ends: 254 [2023-03-31 00:20:02,786 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 00:20:02,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-03-31 00:20:02,788 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 664 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:20:02,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 23 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 00:20:02,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 00:20:02,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 00:20:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 00:20:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 00:20:02,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2023-03-31 00:20:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:20:02,789 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 00:20:02,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 6 states have internal predecessors, (246), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:20:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 00:20:02,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 00:20:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2023-03-31 00:20:02,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2023-03-31 00:20:02,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2023-03-31 00:20:02,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2023-03-31 00:20:02,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2023-03-31 00:20:02,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2023-03-31 00:20:02,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2023-03-31 00:20:02,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2023-03-31 00:20:02,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-03-31 00:20:02,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 4) no Hoare annotation was computed. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 6 8) no Hoare annotation was computed. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point L7-2(lines 6 8) no Hoare annotation was computed. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2023-03-31 00:20:03,326 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 16 3008) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2023-03-31 00:20:03,327 INFO L899 garLoopResultBuilder]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L2616(line 2616) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2023-03-31 00:20:03,328 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2023-03-31 00:20:03,329 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 55) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2023-03-31 00:20:03,330 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 281) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2023-03-31 00:20:03,331 INFO L899 garLoopResultBuilder]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 255) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2023-03-31 00:20:03,332 INFO L895 garLoopResultBuilder]: At program point L52(lines 21 3007) the Hoare annotation is: (or (<= 0 main_~main__t~0) (and (= |old(~__tmp_3904_0~0)| ~__tmp_3904_0~0) (= |old(~__tmp_2609_0~0)| ~__tmp_2609_0~0) (= |old(~__return_2598~0)| ~__return_2598~0) (= |old(~__tmp_3904_1~0)| ~__tmp_3904_1~0))) [2023-03-31 00:20:03,332 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 2604) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2023-03-31 00:20:03,333 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 275) no Hoare annotation was computed. [2023-03-31 00:20:03,334 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2023-03-31 00:20:03,334 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2023-03-31 00:20:03,334 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2023-03-31 00:20:03,334 INFO L899 garLoopResultBuilder]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2023-03-31 00:20:03,334 INFO L899 garLoopResultBuilder]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2023-03-31 00:20:03,335 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2023-03-31 00:20:03,336 INFO L899 garLoopResultBuilder]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2023-03-31 00:20:03,337 INFO L899 garLoopResultBuilder]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2023-03-31 00:20:03,338 INFO L895 garLoopResultBuilder]: At program point L198(lines 132 282) the Hoare annotation is: (and (< main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (not (= main_~__VERIFIER_assert__cond~2 0))) [2023-03-31 00:20:03,338 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 282) no Hoare annotation was computed. [2023-03-31 00:20:03,338 INFO L899 garLoopResultBuilder]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2023-03-31 00:20:03,338 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2023-03-31 00:20:03,338 INFO L899 garLoopResultBuilder]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L895 garLoopResultBuilder]: At program point L67(lines 64 3001) the Hoare annotation is: (or (and (< main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) (and (= main_~main__t~0 0) (< 0 main_~main__tagbuf_len~0))) [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2023-03-31 00:20:03,339 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 240) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 16 3008) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 229) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2023-03-31 00:20:03,340 INFO L899 garLoopResultBuilder]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 286) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2023-03-31 00:20:03,341 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 234) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2023-03-31 00:20:03,342 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2023-03-31 00:20:03,343 INFO L899 garLoopResultBuilder]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 76) no Hoare annotation was computed. [2023-03-31 00:20:03,350 INFO L899 garLoopResultBuilder]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2023-03-31 00:20:03,351 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2023-03-31 00:20:03,352 INFO L895 garLoopResultBuilder]: At program point L2594(lines 2591 2647) the Hoare annotation is: (and (<= 59 main_~main__t~0) (< main_~main__t~0 main_~main__tagbuf_len~0)) [2023-03-31 00:20:03,352 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2023-03-31 00:20:03,352 INFO L899 garLoopResultBuilder]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2023-03-31 00:20:03,352 INFO L899 garLoopResultBuilder]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 227) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 284) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2023-03-31 00:20:03,353 INFO L899 garLoopResultBuilder]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2023-03-31 00:20:03,354 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2023-03-31 00:20:03,354 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-03-31 00:20:03,354 INFO L899 garLoopResultBuilder]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2023-03-31 00:20:03,354 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2023-03-31 00:20:03,354 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2023-03-31 00:20:03,355 INFO L899 garLoopResultBuilder]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2023-03-31 00:20:03,355 INFO L899 garLoopResultBuilder]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2023-03-31 00:20:03,355 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 232) no Hoare annotation was computed. [2023-03-31 00:20:03,355 INFO L899 garLoopResultBuilder]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 2616) no Hoare annotation was computed. [2023-03-31 00:20:03,355 INFO L899 garLoopResultBuilder]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2023-03-31 00:20:03,356 INFO L899 garLoopResultBuilder]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2023-03-31 00:20:03,356 INFO L899 garLoopResultBuilder]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2023-03-31 00:20:03,357 INFO L899 garLoopResultBuilder]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2023-03-31 00:20:03,358 INFO L899 garLoopResultBuilder]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2023-03-31 00:20:03,358 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2023-03-31 00:20:03,358 INFO L895 garLoopResultBuilder]: At program point L27(lines 25 3002) the Hoare annotation is: (and (<= 0 main_~main__t~0) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2023-03-31 00:20:03,358 INFO L899 garLoopResultBuilder]: For program point L2604(line 2604) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L895 garLoopResultBuilder]: At program point $Ultimate##16(lines 96 283) the Hoare annotation is: (and (<= 1 main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2023-03-31 00:20:03,359 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 3008) the Hoare annotation is: (and (= |old(~__tmp_3904_0~0)| ~__tmp_3904_0~0) (= |old(~__tmp_2609_0~0)| ~__tmp_2609_0~0) (= |old(~__return_2598~0)| ~__return_2598~0) (= |old(~__tmp_3904_1~0)| ~__tmp_3904_1~0)) [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2023-03-31 00:20:03,359 INFO L899 garLoopResultBuilder]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 231) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 57) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2023-03-31 00:20:03,360 INFO L899 garLoopResultBuilder]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2023-03-31 00:20:03,361 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2023-03-31 00:20:03,361 INFO L899 garLoopResultBuilder]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2023-03-31 00:20:03,361 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2023-03-31 00:20:03,361 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-03-31 00:20:03,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 00:20:03,362 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= |old(~__tmp_3904_0~0)| ~__tmp_3904_0~0) (= |old(~__tmp_2609_0~0)| ~__tmp_2609_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_2598~0)| ~__return_2598~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_3904_1~0)| ~__tmp_3904_1~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 00:20:03,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 00:20:03,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 00:20:03,362 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-03-31 00:20:03,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 00:20:03,362 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 00:20:03,365 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:20:03,367 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 00:20:03,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:20:03 BoogieIcfgContainer [2023-03-31 00:20:03,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 00:20:03,388 INFO L158 Benchmark]: Toolchain (without parser) took 24682.82ms. Allocated memory was 293.6MB in the beginning and 446.7MB in the end (delta: 153.1MB). Free memory was 246.2MB in the beginning and 406.8MB in the end (delta: -160.5MB). Peak memory consumption was 263.1MB. Max. memory is 8.0GB. [2023-03-31 00:20:03,389 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:20:03,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.62ms. Allocated memory is still 293.6MB. Free memory was 245.7MB in the beginning and 202.2MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-03-31 00:20:03,390 INFO L158 Benchmark]: Boogie Preprocessor took 99.29ms. Allocated memory is still 293.6MB. Free memory was 202.2MB in the beginning and 197.4MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-03-31 00:20:03,390 INFO L158 Benchmark]: RCFGBuilder took 1347.66ms. Allocated memory is still 293.6MB. Free memory was 197.4MB in the beginning and 245.2MB in the end (delta: -47.8MB). Peak memory consumption was 109.5MB. Max. memory is 8.0GB. [2023-03-31 00:20:03,391 INFO L158 Benchmark]: TraceAbstraction took 22602.09ms. Allocated memory was 293.6MB in the beginning and 446.7MB in the end (delta: 153.1MB). Free memory was 244.7MB in the beginning and 406.8MB in the end (delta: -162.1MB). Peak memory consumption was 259.5MB. Max. memory is 8.0GB. [2023-03-31 00:20:03,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 628.62ms. Allocated memory is still 293.6MB. Free memory was 245.7MB in the beginning and 202.2MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 99.29ms. Allocated memory is still 293.6MB. Free memory was 202.2MB in the beginning and 197.4MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1347.66ms. Allocated memory is still 293.6MB. Free memory was 197.4MB in the beginning and 245.2MB in the end (delta: -47.8MB). Peak memory consumption was 109.5MB. Max. memory is 8.0GB. * TraceAbstraction took 22602.09ms. Allocated memory was 293.6MB in the beginning and 446.7MB in the end (delta: 153.1MB). Free memory was 244.7MB in the beginning and 406.8MB in the end (delta: -162.1MB). Peak memory consumption was 259.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 117]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 219]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 267]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2604]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2616]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 316 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10425 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10425 mSDsluCounter, 2050 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1308 mSDsCounter, 1226 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22836 IncrementalHoareTripleChecker+Invalid, 24062 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1226 mSolverCounterUnsat, 742 mSDtfsCounter, 22836 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2081 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=0, InterpolantAutomatonStates: 225, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 161 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 113 HoareAnnotationTreeSize, 10 FomulaSimplifications, 16269 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 10 FomulaSimplificationsInter, 1039 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 828 NumberOfCodeBlocks, 828 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 807 ConstructedInterpolants, 0 QuantifiedInterpolants, 2318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((main__t < main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((1 <= main__t && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__t <= main__tagbuf_len - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: 59 <= main__t && main__t < main__tagbuf_len - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (main__t < main__tagbuf_len && 1 <= main__t) || (main__t == 0 && 0 < main__tagbuf_len) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 <= main__t || (((\old(__tmp_3904_0) == __tmp_3904_0 && \old(__tmp_2609_0) == __tmp_2609_0) && \old(__return_2598) == __return_2598) && \old(__tmp_3904_1) == __tmp_3904_1) RESULT: Ultimate proved your program to be correct! [2023-03-31 00:20:03,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...