/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem11_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 03:43:24,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 03:43:24,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 03:43:24,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 03:43:24,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 03:43:24,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 03:43:24,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 03:43:24,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 03:43:24,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 03:43:24,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 03:43:24,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 03:43:24,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 03:43:24,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 03:43:24,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 03:43:24,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 03:43:24,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 03:43:24,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 03:43:24,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 03:43:24,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 03:43:24,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 03:43:24,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 03:43:24,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 03:43:24,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 03:43:24,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 03:43:24,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 03:43:24,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 03:43:24,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 03:43:24,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 03:43:24,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 03:43:24,234 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 03:43:24,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 03:43:24,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 03:43:24,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 03:43:24,239 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 03:43:24,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 03:43:24,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 03:43:24,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 03:43:24,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 03:43:24,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 03:43:24,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 03:43:24,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 03:43:24,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 03:43:24,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 03:43:24,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 03:43:24,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 03:43:24,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 03:43:24,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:43:24,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 03:43:24,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 03:43:24,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 03:43:24,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 03:43:24,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 03:43:24,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 03:43:24,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 03:43:24,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 03:43:24,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 03:43:24,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 03:43:24,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 03:43:24,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 03:43:24,691 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 03:43:24,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2020-12-23 03:43:24,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a7b417b8f/54b30f74c2524c7bb757a459bd2508dd/FLAG3a71bd10d [2020-12-23 03:43:25,569 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 03:43:25,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2020-12-23 03:43:25,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a7b417b8f/54b30f74c2524c7bb757a459bd2508dd/FLAG3a71bd10d [2020-12-23 03:43:25,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a7b417b8f/54b30f74c2524c7bb757a459bd2508dd [2020-12-23 03:43:25,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 03:43:25,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 03:43:25,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 03:43:25,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 03:43:25,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 03:43:25,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:43:25" (1/1) ... [2020-12-23 03:43:25,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a3a234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:25, skipping insertion in model container [2020-12-23 03:43:25,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:43:25" (1/1) ... [2020-12-23 03:43:25,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 03:43:25,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 03:43:26,101 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 03:43:26,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:43:26,456 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 03:43:26,493 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a29~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 03:43:26,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:43:26,684 INFO L208 MainTranslator]: Completed translation [2020-12-23 03:43:26,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26 WrapperNode [2020-12-23 03:43:26,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 03:43:26,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 03:43:26,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 03:43:26,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 03:43:26,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 03:43:26,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 03:43:26,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 03:43:26,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 03:43:26,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... [2020-12-23 03:43:26,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 03:43:26,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 03:43:26,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 03:43:26,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 03:43:26,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:43:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 03:43:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 03:43:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 03:43:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 03:43:28,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 03:43:28,859 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 03:43:28,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:43:28 BoogieIcfgContainer [2020-12-23 03:43:28,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 03:43:28,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 03:43:28,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 03:43:28,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 03:43:28,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:43:25" (1/3) ... [2020-12-23 03:43:28,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9536b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:43:28, skipping insertion in model container [2020-12-23 03:43:28,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:43:26" (2/3) ... [2020-12-23 03:43:28,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9536b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:43:28, skipping insertion in model container [2020-12-23 03:43:28,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:43:28" (3/3) ... [2020-12-23 03:43:28,870 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label46.c [2020-12-23 03:43:28,876 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 03:43:28,882 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 03:43:28,901 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 03:43:28,930 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 03:43:28,931 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 03:43:28,931 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 03:43:28,931 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 03:43:28,931 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 03:43:28,931 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 03:43:28,931 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 03:43:28,931 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 03:43:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-12-23 03:43:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 03:43:28,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:28,963 INFO L422 BasicCegarLoop]: 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] [2020-12-23 03:43:28,964 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:28,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:28,970 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2020-12-23 03:43:28,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:28,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124404380] [2020-12-23 03:43:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:29,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124404380] [2020-12-23 03:43:29,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:29,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:43:29,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478460127] [2020-12-23 03:43:29,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:29,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:29,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:29,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:29,385 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 3 states. [2020-12-23 03:43:30,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:30,811 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2020-12-23 03:43:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:30,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 03:43:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:30,844 INFO L225 Difference]: With dead ends: 776 [2020-12-23 03:43:30,845 INFO L226 Difference]: Without dead ends: 413 [2020-12-23 03:43:30,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:30,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-12-23 03:43:30,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2020-12-23 03:43:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-12-23 03:43:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2020-12-23 03:43:30,921 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 62 [2020-12-23 03:43:30,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:30,922 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2020-12-23 03:43:30,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2020-12-23 03:43:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-23 03:43:30,929 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:30,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:30,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 03:43:30,931 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:30,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:30,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1066754174, now seen corresponding path program 1 times [2020-12-23 03:43:30,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:30,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379049999] [2020-12-23 03:43:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:31,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379049999] [2020-12-23 03:43:31,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:31,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:43:31,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619089283] [2020-12-23 03:43:31,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:31,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:31,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:31,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:31,146 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand 3 states. [2020-12-23 03:43:32,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:32,258 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2020-12-23 03:43:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:32,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-12-23 03:43:32,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:32,264 INFO L225 Difference]: With dead ends: 1209 [2020-12-23 03:43:32,264 INFO L226 Difference]: Without dead ends: 800 [2020-12-23 03:43:32,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-12-23 03:43:32,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2020-12-23 03:43:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-12-23 03:43:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2020-12-23 03:43:32,303 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 130 [2020-12-23 03:43:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:32,304 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2020-12-23 03:43:32,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2020-12-23 03:43:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 03:43:32,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:32,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:32,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 03:43:32,309 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:32,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:32,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1046029789, now seen corresponding path program 1 times [2020-12-23 03:43:32,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:32,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238419516] [2020-12-23 03:43:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:32,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238419516] [2020-12-23 03:43:32,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:32,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:43:32,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73688681] [2020-12-23 03:43:32,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:32,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:32,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:32,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:32,505 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand 3 states. [2020-12-23 03:43:33,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:33,562 INFO L93 Difference]: Finished difference Result 1941 states and 2628 transitions. [2020-12-23 03:43:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:33,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-12-23 03:43:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:33,571 INFO L225 Difference]: With dead ends: 1941 [2020-12-23 03:43:33,571 INFO L226 Difference]: Without dead ends: 1156 [2020-12-23 03:43:33,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:33,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2020-12-23 03:43:33,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2020-12-23 03:43:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2020-12-23 03:43:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2020-12-23 03:43:33,604 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 132 [2020-12-23 03:43:33,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:33,605 INFO L481 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2020-12-23 03:43:33,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2020-12-23 03:43:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-23 03:43:33,610 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:33,610 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:33,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 03:43:33,610 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:33,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:33,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1696825530, now seen corresponding path program 1 times [2020-12-23 03:43:33,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:33,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226066990] [2020-12-23 03:43:33,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-12-23 03:43:33,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226066990] [2020-12-23 03:43:33,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:33,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:43:33,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627410267] [2020-12-23 03:43:33,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:33,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:33,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:33,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:33,899 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand 3 states. [2020-12-23 03:43:35,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:35,025 INFO L93 Difference]: Finished difference Result 3056 states and 3914 transitions. [2020-12-23 03:43:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:35,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-23 03:43:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:35,043 INFO L225 Difference]: With dead ends: 3056 [2020-12-23 03:43:35,043 INFO L226 Difference]: Without dead ends: 1902 [2020-12-23 03:43:35,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2020-12-23 03:43:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1901. [2020-12-23 03:43:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2020-12-23 03:43:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2318 transitions. [2020-12-23 03:43:35,109 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2318 transitions. Word has length 174 [2020-12-23 03:43:35,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:35,110 INFO L481 AbstractCegarLoop]: Abstraction has 1901 states and 2318 transitions. [2020-12-23 03:43:35,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2318 transitions. [2020-12-23 03:43:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-23 03:43:35,115 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:35,115 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:35,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 03:43:35,116 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:35,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1298901279, now seen corresponding path program 1 times [2020-12-23 03:43:35,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:35,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449951801] [2020-12-23 03:43:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:35,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449951801] [2020-12-23 03:43:35,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:35,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:35,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909624384] [2020-12-23 03:43:35,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:43:35,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:35,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:43:35,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:43:35,390 INFO L87 Difference]: Start difference. First operand 1901 states and 2318 transitions. Second operand 4 states. [2020-12-23 03:43:37,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:37,380 INFO L93 Difference]: Finished difference Result 5670 states and 7167 transitions. [2020-12-23 03:43:37,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:43:37,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 189 [2020-12-23 03:43:37,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:37,400 INFO L225 Difference]: With dead ends: 5670 [2020-12-23 03:43:37,400 INFO L226 Difference]: Without dead ends: 3955 [2020-12-23 03:43:37,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:43:37,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2020-12-23 03:43:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3954. [2020-12-23 03:43:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3954 states. [2020-12-23 03:43:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 4881 transitions. [2020-12-23 03:43:37,492 INFO L78 Accepts]: Start accepts. Automaton has 3954 states and 4881 transitions. Word has length 189 [2020-12-23 03:43:37,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:37,494 INFO L481 AbstractCegarLoop]: Abstraction has 3954 states and 4881 transitions. [2020-12-23 03:43:37,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:43:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 4881 transitions. [2020-12-23 03:43:37,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-12-23 03:43:37,500 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:37,501 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:37,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 03:43:37,501 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:37,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:37,502 INFO L82 PathProgramCache]: Analyzing trace with hash 800976377, now seen corresponding path program 1 times [2020-12-23 03:43:37,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:37,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577106681] [2020-12-23 03:43:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-23 03:43:37,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577106681] [2020-12-23 03:43:37,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:37,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:37,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565865306] [2020-12-23 03:43:37,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:37,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:37,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:37,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:37,784 INFO L87 Difference]: Start difference. First operand 3954 states and 4881 transitions. Second operand 3 states. [2020-12-23 03:43:39,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:39,256 INFO L93 Difference]: Finished difference Result 8638 states and 10797 transitions. [2020-12-23 03:43:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:39,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-12-23 03:43:39,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:39,282 INFO L225 Difference]: With dead ends: 8638 [2020-12-23 03:43:39,282 INFO L226 Difference]: Without dead ends: 5243 [2020-12-23 03:43:39,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:39,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5243 states. [2020-12-23 03:43:39,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5243 to 5243. [2020-12-23 03:43:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5243 states. [2020-12-23 03:43:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 6463 transitions. [2020-12-23 03:43:39,404 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 6463 transitions. Word has length 244 [2020-12-23 03:43:39,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:39,405 INFO L481 AbstractCegarLoop]: Abstraction has 5243 states and 6463 transitions. [2020-12-23 03:43:39,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 6463 transitions. [2020-12-23 03:43:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-23 03:43:39,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:39,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:39,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 03:43:39,412 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:39,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:39,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1479441116, now seen corresponding path program 1 times [2020-12-23 03:43:39,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:39,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473461144] [2020-12-23 03:43:39,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-23 03:43:39,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473461144] [2020-12-23 03:43:39,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:39,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:39,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543656415] [2020-12-23 03:43:39,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:39,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:39,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:39,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:39,667 INFO L87 Difference]: Start difference. First operand 5243 states and 6463 transitions. Second operand 3 states. [2020-12-23 03:43:41,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:41,006 INFO L93 Difference]: Finished difference Result 11964 states and 14986 transitions. [2020-12-23 03:43:41,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:41,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-23 03:43:41,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:41,039 INFO L225 Difference]: With dead ends: 11964 [2020-12-23 03:43:41,039 INFO L226 Difference]: Without dead ends: 6907 [2020-12-23 03:43:41,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:41,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6907 states. [2020-12-23 03:43:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6907 to 6898. [2020-12-23 03:43:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6898 states. [2020-12-23 03:43:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6898 states to 6898 states and 8375 transitions. [2020-12-23 03:43:41,191 INFO L78 Accepts]: Start accepts. Automaton has 6898 states and 8375 transitions. Word has length 255 [2020-12-23 03:43:41,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:41,192 INFO L481 AbstractCegarLoop]: Abstraction has 6898 states and 8375 transitions. [2020-12-23 03:43:41,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 6898 states and 8375 transitions. [2020-12-23 03:43:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-12-23 03:43:41,200 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:41,201 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:41,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 03:43:41,201 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:41,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:41,202 INFO L82 PathProgramCache]: Analyzing trace with hash 804479466, now seen corresponding path program 1 times [2020-12-23 03:43:41,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:41,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129583738] [2020-12-23 03:43:41,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 119 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:41,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129583738] [2020-12-23 03:43:41,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961109889] [2020-12-23 03:43:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:43:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:41,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:43:41,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:43:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:42,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:43:42,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 03:43:42,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024995181] [2020-12-23 03:43:42,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:42,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:42,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:42,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:43:42,322 INFO L87 Difference]: Start difference. First operand 6898 states and 8375 transitions. Second operand 3 states. [2020-12-23 03:43:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:43,612 INFO L93 Difference]: Finished difference Result 14918 states and 18397 transitions. [2020-12-23 03:43:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:43,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-12-23 03:43:43,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:43,672 INFO L225 Difference]: With dead ends: 14918 [2020-12-23 03:43:43,673 INFO L226 Difference]: Without dead ends: 8390 [2020-12-23 03:43:43,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:43:43,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8390 states. [2020-12-23 03:43:43,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8390 to 8187. [2020-12-23 03:43:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8187 states. [2020-12-23 03:43:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8187 states to 8187 states and 9978 transitions. [2020-12-23 03:43:43,939 INFO L78 Accepts]: Start accepts. Automaton has 8187 states and 9978 transitions. Word has length 275 [2020-12-23 03:43:43,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:43,939 INFO L481 AbstractCegarLoop]: Abstraction has 8187 states and 9978 transitions. [2020-12-23 03:43:43,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 8187 states and 9978 transitions. [2020-12-23 03:43:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-12-23 03:43:43,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:43,949 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:44,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-23 03:43:44,164 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:44,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:44,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1603746634, now seen corresponding path program 1 times [2020-12-23 03:43:44,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:44,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116590721] [2020-12-23 03:43:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-12-23 03:43:44,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116590721] [2020-12-23 03:43:44,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:44,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:44,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222206407] [2020-12-23 03:43:44,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:44,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:44,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:44,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:44,412 INFO L87 Difference]: Start difference. First operand 8187 states and 9978 transitions. Second operand 3 states. [2020-12-23 03:43:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:45,994 INFO L93 Difference]: Finished difference Result 17853 states and 22069 transitions. [2020-12-23 03:43:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:45,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2020-12-23 03:43:45,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:46,017 INFO L225 Difference]: With dead ends: 17853 [2020-12-23 03:43:46,018 INFO L226 Difference]: Without dead ends: 10035 [2020-12-23 03:43:46,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:46,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10035 states. [2020-12-23 03:43:46,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10035 to 9659. [2020-12-23 03:43:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9659 states. [2020-12-23 03:43:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9659 states to 9659 states and 11612 transitions. [2020-12-23 03:43:46,210 INFO L78 Accepts]: Start accepts. Automaton has 9659 states and 11612 transitions. Word has length 293 [2020-12-23 03:43:46,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:46,211 INFO L481 AbstractCegarLoop]: Abstraction has 9659 states and 11612 transitions. [2020-12-23 03:43:46,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 9659 states and 11612 transitions. [2020-12-23 03:43:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-12-23 03:43:46,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:46,224 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:46,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 03:43:46,225 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:46,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:46,225 INFO L82 PathProgramCache]: Analyzing trace with hash -584277450, now seen corresponding path program 1 times [2020-12-23 03:43:46,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:46,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880685111] [2020-12-23 03:43:46,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 187 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:47,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880685111] [2020-12-23 03:43:47,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141386516] [2020-12-23 03:43:47,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:43:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:47,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 03:43:47,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:43:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:47,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:43:47,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2020-12-23 03:43:47,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486893568] [2020-12-23 03:43:47,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:47,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:47,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:47,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-23 03:43:47,693 INFO L87 Difference]: Start difference. First operand 9659 states and 11612 transitions. Second operand 3 states. [2020-12-23 03:43:48,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:48,940 INFO L93 Difference]: Finished difference Result 19148 states and 23068 transitions. [2020-12-23 03:43:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:48,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2020-12-23 03:43:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:48,965 INFO L225 Difference]: With dead ends: 19148 [2020-12-23 03:43:48,965 INFO L226 Difference]: Without dead ends: 9859 [2020-12-23 03:43:48,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-23 03:43:48,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9859 states. [2020-12-23 03:43:49,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9859 to 9843. [2020-12-23 03:43:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9843 states. [2020-12-23 03:43:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9843 states to 9843 states and 11652 transitions. [2020-12-23 03:43:49,133 INFO L78 Accepts]: Start accepts. Automaton has 9843 states and 11652 transitions. Word has length 313 [2020-12-23 03:43:49,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:49,188 INFO L481 AbstractCegarLoop]: Abstraction has 9843 states and 11652 transitions. [2020-12-23 03:43:49,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 9843 states and 11652 transitions. [2020-12-23 03:43:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-12-23 03:43:49,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:49,202 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:49,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 03:43:49,416 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:49,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:49,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1083422029, now seen corresponding path program 1 times [2020-12-23 03:43:49,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:49,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174866803] [2020-12-23 03:43:49,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-23 03:43:49,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174866803] [2020-12-23 03:43:49,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:49,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:49,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167858339] [2020-12-23 03:43:49,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:49,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:49,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:49,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:49,702 INFO L87 Difference]: Start difference. First operand 9843 states and 11652 transitions. Second operand 3 states. [2020-12-23 03:43:51,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:51,000 INFO L93 Difference]: Finished difference Result 21152 states and 25197 transitions. [2020-12-23 03:43:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:51,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2020-12-23 03:43:51,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:51,025 INFO L225 Difference]: With dead ends: 21152 [2020-12-23 03:43:51,025 INFO L226 Difference]: Without dead ends: 11679 [2020-12-23 03:43:51,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:51,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11679 states. [2020-12-23 03:43:51,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11679 to 9833. [2020-12-23 03:43:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9833 states. [2020-12-23 03:43:51,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9833 states to 9833 states and 11220 transitions. [2020-12-23 03:43:51,229 INFO L78 Accepts]: Start accepts. Automaton has 9833 states and 11220 transitions. Word has length 329 [2020-12-23 03:43:51,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:51,230 INFO L481 AbstractCegarLoop]: Abstraction has 9833 states and 11220 transitions. [2020-12-23 03:43:51,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 9833 states and 11220 transitions. [2020-12-23 03:43:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-12-23 03:43:51,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:51,242 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:51,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 03:43:51,243 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:51,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:51,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1150896741, now seen corresponding path program 1 times [2020-12-23 03:43:51,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:51,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768200786] [2020-12-23 03:43:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:51,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768200786] [2020-12-23 03:43:51,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:51,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:51,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171016237] [2020-12-23 03:43:51,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:43:51,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:51,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:43:51,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:43:51,613 INFO L87 Difference]: Start difference. First operand 9833 states and 11220 transitions. Second operand 4 states. [2020-12-23 03:43:53,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:53,934 INFO L93 Difference]: Finished difference Result 24273 states and 27818 transitions. [2020-12-23 03:43:53,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:43:53,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 344 [2020-12-23 03:43:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:53,965 INFO L225 Difference]: With dead ends: 24273 [2020-12-23 03:43:53,965 INFO L226 Difference]: Without dead ends: 14441 [2020-12-23 03:43:53,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:43:53,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14441 states. [2020-12-23 03:43:54,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14441 to 14436. [2020-12-23 03:43:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14436 states. [2020-12-23 03:43:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14436 states to 14436 states and 16464 transitions. [2020-12-23 03:43:54,201 INFO L78 Accepts]: Start accepts. Automaton has 14436 states and 16464 transitions. Word has length 344 [2020-12-23 03:43:54,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:54,202 INFO L481 AbstractCegarLoop]: Abstraction has 14436 states and 16464 transitions. [2020-12-23 03:43:54,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:43:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 14436 states and 16464 transitions. [2020-12-23 03:43:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-12-23 03:43:54,215 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:54,216 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:54,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 03:43:54,216 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:54,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:54,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1927151928, now seen corresponding path program 1 times [2020-12-23 03:43:54,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:54,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596756053] [2020-12-23 03:43:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-12-23 03:43:54,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596756053] [2020-12-23 03:43:54,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:54,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:54,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998171151] [2020-12-23 03:43:54,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:54,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:54,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:54,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:54,537 INFO L87 Difference]: Start difference. First operand 14436 states and 16464 transitions. Second operand 3 states. [2020-12-23 03:43:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:55,748 INFO L93 Difference]: Finished difference Result 28504 states and 32552 transitions. [2020-12-23 03:43:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:55,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2020-12-23 03:43:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:55,777 INFO L225 Difference]: With dead ends: 28504 [2020-12-23 03:43:55,777 INFO L226 Difference]: Without dead ends: 15730 [2020-12-23 03:43:55,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:55,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15730 states. [2020-12-23 03:43:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15730 to 14436. [2020-12-23 03:43:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14436 states. [2020-12-23 03:43:56,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14436 states to 14436 states and 16464 transitions. [2020-12-23 03:43:56,009 INFO L78 Accepts]: Start accepts. Automaton has 14436 states and 16464 transitions. Word has length 350 [2020-12-23 03:43:56,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:56,009 INFO L481 AbstractCegarLoop]: Abstraction has 14436 states and 16464 transitions. [2020-12-23 03:43:56,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 14436 states and 16464 transitions. [2020-12-23 03:43:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-12-23 03:43:56,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:56,028 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:56,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 03:43:56,029 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:56,029 INFO L82 PathProgramCache]: Analyzing trace with hash -467513356, now seen corresponding path program 1 times [2020-12-23 03:43:56,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:56,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21552652] [2020-12-23 03:43:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2020-12-23 03:43:56,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21552652] [2020-12-23 03:43:56,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:43:56,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:43:56,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554421613] [2020-12-23 03:43:56,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:43:56,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:43:56,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:43:56,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:56,325 INFO L87 Difference]: Start difference. First operand 14436 states and 16464 transitions. Second operand 3 states. [2020-12-23 03:43:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:43:57,690 INFO L93 Difference]: Finished difference Result 29417 states and 33608 transitions. [2020-12-23 03:43:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:43:57,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 382 [2020-12-23 03:43:57,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:43:57,722 INFO L225 Difference]: With dead ends: 29417 [2020-12-23 03:43:57,722 INFO L226 Difference]: Without dead ends: 16643 [2020-12-23 03:43:57,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:43:57,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16643 states. [2020-12-23 03:43:57,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16643 to 11851. [2020-12-23 03:43:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11851 states. [2020-12-23 03:43:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11851 states to 11851 states and 13619 transitions. [2020-12-23 03:43:57,960 INFO L78 Accepts]: Start accepts. Automaton has 11851 states and 13619 transitions. Word has length 382 [2020-12-23 03:43:57,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:43:57,961 INFO L481 AbstractCegarLoop]: Abstraction has 11851 states and 13619 transitions. [2020-12-23 03:43:57,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:43:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 11851 states and 13619 transitions. [2020-12-23 03:43:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-12-23 03:43:57,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:43:57,975 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:43:57,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 03:43:57,975 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:43:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:43:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash 361434429, now seen corresponding path program 1 times [2020-12-23 03:43:57,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:43:57,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191445425] [2020-12-23 03:43:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:43:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 124 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:43:59,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191445425] [2020-12-23 03:43:59,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945842215] [2020-12-23 03:43:59,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:43:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:43:59,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 03:43:59,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:44:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 124 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:44:00,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 03:44:00,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2020-12-23 03:44:00,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597820492] [2020-12-23 03:44:00,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 03:44:00,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:00,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 03:44:00,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 03:44:00,291 INFO L87 Difference]: Start difference. First operand 11851 states and 13619 transitions. Second operand 9 states. [2020-12-23 03:44:06,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:06,671 INFO L93 Difference]: Finished difference Result 34747 states and 39937 transitions. [2020-12-23 03:44:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 03:44:06,672 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 382 [2020-12-23 03:44:06,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:06,711 INFO L225 Difference]: With dead ends: 34747 [2020-12-23 03:44:06,711 INFO L226 Difference]: Without dead ends: 23265 [2020-12-23 03:44:06,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-12-23 03:44:06,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23265 states. [2020-12-23 03:44:07,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23265 to 20327. [2020-12-23 03:44:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20327 states. [2020-12-23 03:44:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20327 states to 20327 states and 22940 transitions. [2020-12-23 03:44:07,192 INFO L78 Accepts]: Start accepts. Automaton has 20327 states and 22940 transitions. Word has length 382 [2020-12-23 03:44:07,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:07,193 INFO L481 AbstractCegarLoop]: Abstraction has 20327 states and 22940 transitions. [2020-12-23 03:44:07,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 03:44:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 20327 states and 22940 transitions. [2020-12-23 03:44:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2020-12-23 03:44:07,238 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:07,239 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:07,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 03:44:07,454 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:07,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:07,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2142682202, now seen corresponding path program 1 times [2020-12-23 03:44:07,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:07,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204504110] [2020-12-23 03:44:07,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-12-23 03:44:08,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204504110] [2020-12-23 03:44:08,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:08,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:44:08,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954225183] [2020-12-23 03:44:08,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:08,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:08,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:08,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:08,041 INFO L87 Difference]: Start difference. First operand 20327 states and 22940 transitions. Second operand 3 states. [2020-12-23 03:44:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:09,442 INFO L93 Difference]: Finished difference Result 40668 states and 45989 transitions. [2020-12-23 03:44:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:09,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 521 [2020-12-23 03:44:09,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:09,481 INFO L225 Difference]: With dead ends: 40668 [2020-12-23 03:44:09,481 INFO L226 Difference]: Without dead ends: 22001 [2020-12-23 03:44:09,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:09,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22001 states. [2020-12-23 03:44:09,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22001 to 20691. [2020-12-23 03:44:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20691 states. [2020-12-23 03:44:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20691 states to 20691 states and 23201 transitions. [2020-12-23 03:44:09,841 INFO L78 Accepts]: Start accepts. Automaton has 20691 states and 23201 transitions. Word has length 521 [2020-12-23 03:44:09,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:09,842 INFO L481 AbstractCegarLoop]: Abstraction has 20691 states and 23201 transitions. [2020-12-23 03:44:09,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 20691 states and 23201 transitions. [2020-12-23 03:44:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-12-23 03:44:09,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:09,876 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:09,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 03:44:09,876 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:09,877 INFO L82 PathProgramCache]: Analyzing trace with hash -236333549, now seen corresponding path program 1 times [2020-12-23 03:44:09,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:09,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751157934] [2020-12-23 03:44:09,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 586 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-12-23 03:44:10,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751157934] [2020-12-23 03:44:10,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:10,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:44:10,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079034865] [2020-12-23 03:44:10,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:10,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:10,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:10,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:10,536 INFO L87 Difference]: Start difference. First operand 20691 states and 23201 transitions. Second operand 3 states. [2020-12-23 03:44:11,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:11,982 INFO L93 Difference]: Finished difference Result 46000 states and 51791 transitions. [2020-12-23 03:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:11,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 522 [2020-12-23 03:44:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:12,024 INFO L225 Difference]: With dead ends: 46000 [2020-12-23 03:44:12,025 INFO L226 Difference]: Without dead ends: 25679 [2020-12-23 03:44:12,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25679 states. [2020-12-23 03:44:12,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25679 to 25490. [2020-12-23 03:44:12,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25490 states. [2020-12-23 03:44:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25490 states to 25490 states and 28507 transitions. [2020-12-23 03:44:12,521 INFO L78 Accepts]: Start accepts. Automaton has 25490 states and 28507 transitions. Word has length 522 [2020-12-23 03:44:12,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:12,522 INFO L481 AbstractCegarLoop]: Abstraction has 25490 states and 28507 transitions. [2020-12-23 03:44:12,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 25490 states and 28507 transitions. [2020-12-23 03:44:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-12-23 03:44:12,550 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:12,550 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:12,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 03:44:12,551 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:12,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:12,551 INFO L82 PathProgramCache]: Analyzing trace with hash 941049859, now seen corresponding path program 1 times [2020-12-23 03:44:12,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:12,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781272072] [2020-12-23 03:44:12,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 619 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-12-23 03:44:12,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781272072] [2020-12-23 03:44:12,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:12,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:44:12,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678297187] [2020-12-23 03:44:12,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:12,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:12,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:12,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:12,931 INFO L87 Difference]: Start difference. First operand 25490 states and 28507 transitions. Second operand 3 states. [2020-12-23 03:44:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:14,565 INFO L93 Difference]: Finished difference Result 55579 states and 62178 transitions. [2020-12-23 03:44:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:14,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 526 [2020-12-23 03:44:14,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:14,609 INFO L225 Difference]: With dead ends: 55579 [2020-12-23 03:44:14,609 INFO L226 Difference]: Without dead ends: 30459 [2020-12-23 03:44:14,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30459 states. [2020-12-23 03:44:15,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30459 to 29156. [2020-12-23 03:44:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29156 states. [2020-12-23 03:44:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29156 states to 29156 states and 32423 transitions. [2020-12-23 03:44:15,125 INFO L78 Accepts]: Start accepts. Automaton has 29156 states and 32423 transitions. Word has length 526 [2020-12-23 03:44:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:15,126 INFO L481 AbstractCegarLoop]: Abstraction has 29156 states and 32423 transitions. [2020-12-23 03:44:15,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 29156 states and 32423 transitions. [2020-12-23 03:44:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-12-23 03:44:15,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:15,153 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:15,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 03:44:15,154 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:15,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:15,154 INFO L82 PathProgramCache]: Analyzing trace with hash -540773030, now seen corresponding path program 1 times [2020-12-23 03:44:15,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:15,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507602905] [2020-12-23 03:44:15,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 320 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-23 03:44:16,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507602905] [2020-12-23 03:44:16,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92068384] [2020-12-23 03:44:16,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:16,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 03:44:16,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:44:16,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 03:44:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 716 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-23 03:44:17,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:44:17,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 03:44:17,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458491355] [2020-12-23 03:44:17,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:44:17,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:17,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:44:17,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-23 03:44:17,265 INFO L87 Difference]: Start difference. First operand 29156 states and 32423 transitions. Second operand 4 states. [2020-12-23 03:44:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:19,747 INFO L93 Difference]: Finished difference Result 63854 states and 71101 transitions. [2020-12-23 03:44:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:44:19,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 532 [2020-12-23 03:44:19,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:19,799 INFO L225 Difference]: With dead ends: 63854 [2020-12-23 03:44:19,799 INFO L226 Difference]: Without dead ends: 35990 [2020-12-23 03:44:19,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-23 03:44:19,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35990 states. [2020-12-23 03:44:20,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35990 to 28980. [2020-12-23 03:44:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28980 states. [2020-12-23 03:44:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28980 states to 28980 states and 32295 transitions. [2020-12-23 03:44:20,449 INFO L78 Accepts]: Start accepts. Automaton has 28980 states and 32295 transitions. Word has length 532 [2020-12-23 03:44:20,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:20,449 INFO L481 AbstractCegarLoop]: Abstraction has 28980 states and 32295 transitions. [2020-12-23 03:44:20,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:44:20,449 INFO L276 IsEmpty]: Start isEmpty. Operand 28980 states and 32295 transitions. [2020-12-23 03:44:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-12-23 03:44:20,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:20,478 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:20,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:20,692 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:20,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:20,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1196662528, now seen corresponding path program 1 times [2020-12-23 03:44:20,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:20,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239050831] [2020-12-23 03:44:20,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 870 proven. 89 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2020-12-23 03:44:21,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239050831] [2020-12-23 03:44:21,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920479469] [2020-12-23 03:44:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:21,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:44:21,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:44:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2020-12-23 03:44:22,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:44:22,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 03:44:22,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484702815] [2020-12-23 03:44:22,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:22,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:22,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:22,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:22,680 INFO L87 Difference]: Start difference. First operand 28980 states and 32295 transitions. Second operand 3 states. [2020-12-23 03:44:24,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:24,192 INFO L93 Difference]: Finished difference Result 57211 states and 63631 transitions. [2020-12-23 03:44:24,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:24,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 612 [2020-12-23 03:44:24,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:24,224 INFO L225 Difference]: With dead ends: 57211 [2020-12-23 03:44:24,224 INFO L226 Difference]: Without dead ends: 30995 [2020-12-23 03:44:24,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30995 states. [2020-12-23 03:44:24,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30995 to 28235. [2020-12-23 03:44:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28235 states. [2020-12-23 03:44:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28235 states to 28235 states and 31228 transitions. [2020-12-23 03:44:24,638 INFO L78 Accepts]: Start accepts. Automaton has 28235 states and 31228 transitions. Word has length 612 [2020-12-23 03:44:24,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:24,638 INFO L481 AbstractCegarLoop]: Abstraction has 28235 states and 31228 transitions. [2020-12-23 03:44:24,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 28235 states and 31228 transitions. [2020-12-23 03:44:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2020-12-23 03:44:24,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:24,667 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:24,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:24,882 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:24,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:24,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1745218234, now seen corresponding path program 1 times [2020-12-23 03:44:24,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:24,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554482309] [2020-12-23 03:44:24,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 894 proven. 89 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-23 03:44:26,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554482309] [2020-12-23 03:44:26,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100234208] [2020-12-23 03:44:26,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:26,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:44:26,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:44:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2020-12-23 03:44:27,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:44:27,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 03:44:27,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719598276] [2020-12-23 03:44:27,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:27,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:27,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:27,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:27,243 INFO L87 Difference]: Start difference. First operand 28235 states and 31228 transitions. Second operand 3 states. [2020-12-23 03:44:28,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:28,700 INFO L93 Difference]: Finished difference Result 54810 states and 60666 transitions. [2020-12-23 03:44:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:28,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 625 [2020-12-23 03:44:28,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:28,737 INFO L225 Difference]: With dead ends: 54810 [2020-12-23 03:44:28,737 INFO L226 Difference]: Without dead ends: 29339 [2020-12-23 03:44:28,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:28,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29339 states. [2020-12-23 03:44:29,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29339 to 26567. [2020-12-23 03:44:29,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26567 states. [2020-12-23 03:44:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26567 states to 26567 states and 29340 transitions. [2020-12-23 03:44:29,040 INFO L78 Accepts]: Start accepts. Automaton has 26567 states and 29340 transitions. Word has length 625 [2020-12-23 03:44:29,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:29,040 INFO L481 AbstractCegarLoop]: Abstraction has 26567 states and 29340 transitions. [2020-12-23 03:44:29,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand 26567 states and 29340 transitions. [2020-12-23 03:44:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2020-12-23 03:44:29,058 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:29,059 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:29,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:29,267 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:29,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:29,268 INFO L82 PathProgramCache]: Analyzing trace with hash -441751579, now seen corresponding path program 1 times [2020-12-23 03:44:29,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:29,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594081744] [2020-12-23 03:44:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 940 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-12-23 03:44:29,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594081744] [2020-12-23 03:44:29,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:29,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:44:29,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27482754] [2020-12-23 03:44:29,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:29,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:29,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:29,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:29,821 INFO L87 Difference]: Start difference. First operand 26567 states and 29340 transitions. Second operand 3 states. [2020-12-23 03:44:31,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:31,305 INFO L93 Difference]: Finished difference Result 51853 states and 57265 transitions. [2020-12-23 03:44:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:31,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 628 [2020-12-23 03:44:31,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:31,333 INFO L225 Difference]: With dead ends: 51853 [2020-12-23 03:44:31,333 INFO L226 Difference]: Without dead ends: 28050 [2020-12-23 03:44:31,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:31,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28050 states. [2020-12-23 03:44:31,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28050 to 26199. [2020-12-23 03:44:31,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26199 states. [2020-12-23 03:44:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26199 states to 26199 states and 28903 transitions. [2020-12-23 03:44:31,616 INFO L78 Accepts]: Start accepts. Automaton has 26199 states and 28903 transitions. Word has length 628 [2020-12-23 03:44:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:31,617 INFO L481 AbstractCegarLoop]: Abstraction has 26199 states and 28903 transitions. [2020-12-23 03:44:31,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 26199 states and 28903 transitions. [2020-12-23 03:44:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2020-12-23 03:44:31,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:31,636 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:31,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 03:44:31,637 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:31,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:31,637 INFO L82 PathProgramCache]: Analyzing trace with hash -995991056, now seen corresponding path program 1 times [2020-12-23 03:44:31,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:31,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585927975] [2020-12-23 03:44:31,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 870 proven. 89 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2020-12-23 03:44:32,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585927975] [2020-12-23 03:44:32,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778854198] [2020-12-23 03:44:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:33,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:44:33,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:44:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2020-12-23 03:44:34,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:44:34,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 03:44:34,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2630561] [2020-12-23 03:44:34,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:34,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:34,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:34,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:34,260 INFO L87 Difference]: Start difference. First operand 26199 states and 28903 transitions. Second operand 3 states. [2020-12-23 03:44:35,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:35,710 INFO L93 Difference]: Finished difference Result 52947 states and 58407 transitions. [2020-12-23 03:44:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:35,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 645 [2020-12-23 03:44:35,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:35,739 INFO L225 Difference]: With dead ends: 52947 [2020-12-23 03:44:35,739 INFO L226 Difference]: Without dead ends: 27118 [2020-12-23 03:44:35,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:35,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27118 states. [2020-12-23 03:44:36,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27118 to 25453. [2020-12-23 03:44:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25453 states. [2020-12-23 03:44:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25453 states to 25453 states and 27995 transitions. [2020-12-23 03:44:36,030 INFO L78 Accepts]: Start accepts. Automaton has 25453 states and 27995 transitions. Word has length 645 [2020-12-23 03:44:36,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:36,030 INFO L481 AbstractCegarLoop]: Abstraction has 25453 states and 27995 transitions. [2020-12-23 03:44:36,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 25453 states and 27995 transitions. [2020-12-23 03:44:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2020-12-23 03:44:36,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:36,049 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:36,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:36,253 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:36,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:36,254 INFO L82 PathProgramCache]: Analyzing trace with hash 568745883, now seen corresponding path program 1 times [2020-12-23 03:44:36,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:36,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68294558] [2020-12-23 03:44:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 925 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2020-12-23 03:44:37,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68294558] [2020-12-23 03:44:37,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:37,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 03:44:37,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496890264] [2020-12-23 03:44:37,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:44:37,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:37,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:44:37,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:44:37,008 INFO L87 Difference]: Start difference. First operand 25453 states and 27995 transitions. Second operand 4 states. [2020-12-23 03:44:39,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:39,690 INFO L93 Difference]: Finished difference Result 56988 states and 62642 transitions. [2020-12-23 03:44:39,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:44:39,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 646 [2020-12-23 03:44:39,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:39,721 INFO L225 Difference]: With dead ends: 56988 [2020-12-23 03:44:39,721 INFO L226 Difference]: Without dead ends: 31905 [2020-12-23 03:44:39,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:44:39,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31905 states. [2020-12-23 03:44:40,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31905 to 22877. [2020-12-23 03:44:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22877 states. [2020-12-23 03:44:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22877 states to 22877 states and 25057 transitions. [2020-12-23 03:44:40,029 INFO L78 Accepts]: Start accepts. Automaton has 22877 states and 25057 transitions. Word has length 646 [2020-12-23 03:44:40,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:40,030 INFO L481 AbstractCegarLoop]: Abstraction has 22877 states and 25057 transitions. [2020-12-23 03:44:40,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:44:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 22877 states and 25057 transitions. [2020-12-23 03:44:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2020-12-23 03:44:40,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:40,048 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:40,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 03:44:40,049 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:40,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:40,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1137272937, now seen corresponding path program 1 times [2020-12-23 03:44:40,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:40,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122957718] [2020-12-23 03:44:40,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1102 proven. 64 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2020-12-23 03:44:41,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122957718] [2020-12-23 03:44:41,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221217846] [2020-12-23 03:44:41,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:44:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:41,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:44:41,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:44:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1166 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2020-12-23 03:44:42,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:44:42,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 03:44:42,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474958003] [2020-12-23 03:44:42,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:42,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:42,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:42,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:42,193 INFO L87 Difference]: Start difference. First operand 22877 states and 25057 transitions. Second operand 3 states. [2020-12-23 03:44:43,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:43,682 INFO L93 Difference]: Finished difference Result 45759 states and 50101 transitions. [2020-12-23 03:44:43,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:43,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 708 [2020-12-23 03:44:43,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:43,703 INFO L225 Difference]: With dead ends: 45759 [2020-12-23 03:44:43,703 INFO L226 Difference]: Without dead ends: 23068 [2020-12-23 03:44:43,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:43,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23068 states. [2020-12-23 03:44:43,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23068 to 21589. [2020-12-23 03:44:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21589 states. [2020-12-23 03:44:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 23610 transitions. [2020-12-23 03:44:43,971 INFO L78 Accepts]: Start accepts. Automaton has 21589 states and 23610 transitions. Word has length 708 [2020-12-23 03:44:43,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:43,971 INFO L481 AbstractCegarLoop]: Abstraction has 21589 states and 23610 transitions. [2020-12-23 03:44:43,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 21589 states and 23610 transitions. [2020-12-23 03:44:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2020-12-23 03:44:43,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:43,991 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:44,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-23 03:44:44,192 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:44,194 INFO L82 PathProgramCache]: Analyzing trace with hash -98037501, now seen corresponding path program 1 times [2020-12-23 03:44:44,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:44,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208963078] [2020-12-23 03:44:44,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 1180 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-12-23 03:44:45,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208963078] [2020-12-23 03:44:45,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:45,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:44:45,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380753867] [2020-12-23 03:44:45,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:45,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:45,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:45,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:45,153 INFO L87 Difference]: Start difference. First operand 21589 states and 23610 transitions. Second operand 3 states. [2020-12-23 03:44:46,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:46,650 INFO L93 Difference]: Finished difference Result 44837 states and 49035 transitions. [2020-12-23 03:44:46,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:46,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 800 [2020-12-23 03:44:46,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:46,680 INFO L225 Difference]: With dead ends: 44837 [2020-12-23 03:44:46,681 INFO L226 Difference]: Without dead ends: 23618 [2020-12-23 03:44:46,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:46,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23618 states. [2020-12-23 03:44:46,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23618 to 21405. [2020-12-23 03:44:46,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21405 states. [2020-12-23 03:44:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21405 states to 21405 states and 23404 transitions. [2020-12-23 03:44:46,937 INFO L78 Accepts]: Start accepts. Automaton has 21405 states and 23404 transitions. Word has length 800 [2020-12-23 03:44:46,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:46,938 INFO L481 AbstractCegarLoop]: Abstraction has 21405 states and 23404 transitions. [2020-12-23 03:44:46,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 21405 states and 23404 transitions. [2020-12-23 03:44:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2020-12-23 03:44:46,956 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:46,956 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:46,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 03:44:46,956 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:46,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:46,957 INFO L82 PathProgramCache]: Analyzing trace with hash -780467735, now seen corresponding path program 1 times [2020-12-23 03:44:46,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:46,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407445229] [2020-12-23 03:44:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 1410 proven. 0 refuted. 0 times theorem prover too weak. 1011 trivial. 0 not checked. [2020-12-23 03:44:47,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407445229] [2020-12-23 03:44:47,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:47,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:44:47,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67401124] [2020-12-23 03:44:47,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:47,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:47,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:47,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:47,916 INFO L87 Difference]: Start difference. First operand 21405 states and 23404 transitions. Second operand 3 states. [2020-12-23 03:44:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:49,378 INFO L93 Difference]: Finished difference Result 41331 states and 45065 transitions. [2020-12-23 03:44:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:49,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 845 [2020-12-23 03:44:49,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:49,398 INFO L225 Difference]: With dead ends: 41331 [2020-12-23 03:44:49,399 INFO L226 Difference]: Without dead ends: 19741 [2020-12-23 03:44:49,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:49,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19741 states. [2020-12-23 03:44:49,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19741 to 17897. [2020-12-23 03:44:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17897 states. [2020-12-23 03:44:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17897 states to 17897 states and 19159 transitions. [2020-12-23 03:44:49,612 INFO L78 Accepts]: Start accepts. Automaton has 17897 states and 19159 transitions. Word has length 845 [2020-12-23 03:44:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:49,613 INFO L481 AbstractCegarLoop]: Abstraction has 17897 states and 19159 transitions. [2020-12-23 03:44:49,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:49,613 INFO L276 IsEmpty]: Start isEmpty. Operand 17897 states and 19159 transitions. [2020-12-23 03:44:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2020-12-23 03:44:49,631 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:49,632 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:49,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 03:44:49,632 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:49,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:49,633 INFO L82 PathProgramCache]: Analyzing trace with hash -674512410, now seen corresponding path program 1 times [2020-12-23 03:44:49,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:49,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835211663] [2020-12-23 03:44:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 1251 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2020-12-23 03:44:50,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835211663] [2020-12-23 03:44:50,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:50,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:44:50,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312589821] [2020-12-23 03:44:50,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:44:50,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:50,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:44:50,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:50,569 INFO L87 Difference]: Start difference. First operand 17897 states and 19159 transitions. Second operand 3 states. [2020-12-23 03:44:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:51,347 INFO L93 Difference]: Finished difference Result 35423 states and 37935 transitions. [2020-12-23 03:44:51,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:44:51,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 868 [2020-12-23 03:44:51,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:51,363 INFO L225 Difference]: With dead ends: 35423 [2020-12-23 03:44:51,363 INFO L226 Difference]: Without dead ends: 17896 [2020-12-23 03:44:51,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:44:51,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17896 states. [2020-12-23 03:44:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17896 to 17896. [2020-12-23 03:44:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17896 states. [2020-12-23 03:44:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17896 states to 17896 states and 19157 transitions. [2020-12-23 03:44:51,550 INFO L78 Accepts]: Start accepts. Automaton has 17896 states and 19157 transitions. Word has length 868 [2020-12-23 03:44:51,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:51,550 INFO L481 AbstractCegarLoop]: Abstraction has 17896 states and 19157 transitions. [2020-12-23 03:44:51,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:44:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 17896 states and 19157 transitions. [2020-12-23 03:44:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 997 [2020-12-23 03:44:51,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:51,569 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:51,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 03:44:51,569 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:51,569 INFO L82 PathProgramCache]: Analyzing trace with hash 327083931, now seen corresponding path program 1 times [2020-12-23 03:44:51,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:51,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874638222] [2020-12-23 03:44:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 2398 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2020-12-23 03:44:52,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874638222] [2020-12-23 03:44:52,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:52,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 03:44:52,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209450200] [2020-12-23 03:44:52,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:44:52,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:52,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:44:52,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:44:52,590 INFO L87 Difference]: Start difference. First operand 17896 states and 19157 transitions. Second operand 4 states. [2020-12-23 03:44:55,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:44:55,076 INFO L93 Difference]: Finished difference Result 42984 states and 46034 transitions. [2020-12-23 03:44:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:44:55,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 996 [2020-12-23 03:44:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:44:55,100 INFO L225 Difference]: With dead ends: 42984 [2020-12-23 03:44:55,100 INFO L226 Difference]: Without dead ends: 23986 [2020-12-23 03:44:55,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:44:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23986 states. [2020-12-23 03:44:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23986 to 18461. [2020-12-23 03:44:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18461 states. [2020-12-23 03:44:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18461 states to 18461 states and 19727 transitions. [2020-12-23 03:44:55,320 INFO L78 Accepts]: Start accepts. Automaton has 18461 states and 19727 transitions. Word has length 996 [2020-12-23 03:44:55,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:44:55,321 INFO L481 AbstractCegarLoop]: Abstraction has 18461 states and 19727 transitions. [2020-12-23 03:44:55,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:44:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 18461 states and 19727 transitions. [2020-12-23 03:44:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1034 [2020-12-23 03:44:55,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:44:55,340 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:44:55,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 03:44:55,341 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:44:55,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:44:55,341 INFO L82 PathProgramCache]: Analyzing trace with hash -755954434, now seen corresponding path program 1 times [2020-12-23 03:44:55,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:44:55,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083928404] [2020-12-23 03:44:55,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:44:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:44:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 1542 proven. 0 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2020-12-23 03:44:57,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083928404] [2020-12-23 03:44:57,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:44:57,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 03:44:57,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794234248] [2020-12-23 03:44:57,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 03:44:57,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:44:57,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 03:44:57,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:44:57,378 INFO L87 Difference]: Start difference. First operand 18461 states and 19727 transitions. Second operand 6 states. [2020-12-23 03:45:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:00,503 INFO L93 Difference]: Finished difference Result 43357 states and 46286 transitions. [2020-12-23 03:45:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 03:45:00,504 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1033 [2020-12-23 03:45:00,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:00,530 INFO L225 Difference]: With dead ends: 43357 [2020-12-23 03:45:00,530 INFO L226 Difference]: Without dead ends: 25266 [2020-12-23 03:45:00,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-12-23 03:45:00,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25266 states. [2020-12-23 03:45:00,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25266 to 19751. [2020-12-23 03:45:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19751 states. [2020-12-23 03:45:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19751 states to 19751 states and 21148 transitions. [2020-12-23 03:45:00,881 INFO L78 Accepts]: Start accepts. Automaton has 19751 states and 21148 transitions. Word has length 1033 [2020-12-23 03:45:00,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:00,881 INFO L481 AbstractCegarLoop]: Abstraction has 19751 states and 21148 transitions. [2020-12-23 03:45:00,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 03:45:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 19751 states and 21148 transitions. [2020-12-23 03:45:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1044 [2020-12-23 03:45:00,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:00,902 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:00,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 03:45:00,902 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:00,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:00,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1814583081, now seen corresponding path program 1 times [2020-12-23 03:45:00,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:00,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864962168] [2020-12-23 03:45:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 1581 proven. 8 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2020-12-23 03:45:03,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864962168] [2020-12-23 03:45:03,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107117679] [2020-12-23 03:45:03,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:45:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:03,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 03:45:03,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:45:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 1468 proven. 121 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2020-12-23 03:45:05,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 03:45:05,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2020-12-23 03:45:05,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383859179] [2020-12-23 03:45:05,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 03:45:05,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:05,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 03:45:05,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-12-23 03:45:05,570 INFO L87 Difference]: Start difference. First operand 19751 states and 21148 transitions. Second operand 9 states. [2020-12-23 03:45:11,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:11,812 INFO L93 Difference]: Finished difference Result 46323 states and 49502 transitions. [2020-12-23 03:45:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 03:45:11,813 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1043 [2020-12-23 03:45:11,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:11,836 INFO L225 Difference]: With dead ends: 46323 [2020-12-23 03:45:11,837 INFO L226 Difference]: Without dead ends: 26942 [2020-12-23 03:45:11,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1063 GetRequests, 1041 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-12-23 03:45:11,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26942 states. [2020-12-23 03:45:12,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26942 to 25089. [2020-12-23 03:45:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25089 states. [2020-12-23 03:45:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25089 states to 25089 states and 26760 transitions. [2020-12-23 03:45:12,128 INFO L78 Accepts]: Start accepts. Automaton has 25089 states and 26760 transitions. Word has length 1043 [2020-12-23 03:45:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:12,128 INFO L481 AbstractCegarLoop]: Abstraction has 25089 states and 26760 transitions. [2020-12-23 03:45:12,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 03:45:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 25089 states and 26760 transitions. [2020-12-23 03:45:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1114 [2020-12-23 03:45:12,150 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:12,151 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:12,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:45:12,359 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:12,360 INFO L82 PathProgramCache]: Analyzing trace with hash -724287387, now seen corresponding path program 1 times [2020-12-23 03:45:12,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:12,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619412896] [2020-12-23 03:45:12,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3572 backedges. 1967 proven. 0 refuted. 0 times theorem prover too weak. 1605 trivial. 0 not checked. [2020-12-23 03:45:13,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619412896] [2020-12-23 03:45:13,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:45:13,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:45:13,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675376132] [2020-12-23 03:45:13,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:45:13,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:13,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:45:13,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:45:13,283 INFO L87 Difference]: Start difference. First operand 25089 states and 26760 transitions. Second operand 3 states. [2020-12-23 03:45:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:14,666 INFO L93 Difference]: Finished difference Result 49623 states and 52949 transitions. [2020-12-23 03:45:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:45:14,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1113 [2020-12-23 03:45:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:14,692 INFO L225 Difference]: With dead ends: 49623 [2020-12-23 03:45:14,693 INFO L226 Difference]: Without dead ends: 24904 [2020-12-23 03:45:14,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:45:14,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24904 states. [2020-12-23 03:45:15,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24904 to 24904. [2020-12-23 03:45:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24904 states. [2020-12-23 03:45:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24904 states to 24904 states and 26534 transitions. [2020-12-23 03:45:15,029 INFO L78 Accepts]: Start accepts. Automaton has 24904 states and 26534 transitions. Word has length 1113 [2020-12-23 03:45:15,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:15,029 INFO L481 AbstractCegarLoop]: Abstraction has 24904 states and 26534 transitions. [2020-12-23 03:45:15,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:45:15,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24904 states and 26534 transitions. [2020-12-23 03:45:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1114 [2020-12-23 03:45:15,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:15,236 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:15,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 03:45:15,237 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:15,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1794879253, now seen corresponding path program 1 times [2020-12-23 03:45:15,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:15,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477235725] [2020-12-23 03:45:15,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 2278 proven. 429 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2020-12-23 03:45:17,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477235725] [2020-12-23 03:45:17,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348606490] [2020-12-23 03:45:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:45:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:17,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 03:45:17,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:45:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 2116 proven. 0 refuted. 0 times theorem prover too weak. 1970 trivial. 0 not checked. [2020-12-23 03:45:19,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:45:19,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-12-23 03:45:19,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999507568] [2020-12-23 03:45:19,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:45:19,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:19,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:45:19,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 03:45:19,757 INFO L87 Difference]: Start difference. First operand 24904 states and 26534 transitions. Second operand 3 states. [2020-12-23 03:45:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:21,163 INFO L93 Difference]: Finished difference Result 50179 states and 53443 transitions. [2020-12-23 03:45:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:45:21,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1113 [2020-12-23 03:45:21,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:21,197 INFO L225 Difference]: With dead ends: 50179 [2020-12-23 03:45:21,197 INFO L226 Difference]: Without dead ends: 24357 [2020-12-23 03:45:21,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1121 GetRequests, 1115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 03:45:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24357 states. [2020-12-23 03:45:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24357 to 21040. [2020-12-23 03:45:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21040 states. [2020-12-23 03:45:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21040 states to 21040 states and 22360 transitions. [2020-12-23 03:45:21,477 INFO L78 Accepts]: Start accepts. Automaton has 21040 states and 22360 transitions. Word has length 1113 [2020-12-23 03:45:21,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:21,477 INFO L481 AbstractCegarLoop]: Abstraction has 21040 states and 22360 transitions. [2020-12-23 03:45:21,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:45:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 21040 states and 22360 transitions. [2020-12-23 03:45:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1137 [2020-12-23 03:45:21,500 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:21,500 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:21,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:45:21,702 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:21,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:21,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1674929697, now seen corresponding path program 1 times [2020-12-23 03:45:21,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:21,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180056739] [2020-12-23 03:45:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4264 backedges. 3066 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2020-12-23 03:45:23,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180056739] [2020-12-23 03:45:23,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:45:23,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 03:45:23,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122171753] [2020-12-23 03:45:23,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:45:23,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:23,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:45:23,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:45:23,210 INFO L87 Difference]: Start difference. First operand 21040 states and 22360 transitions. Second operand 4 states. [2020-12-23 03:45:25,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:25,678 INFO L93 Difference]: Finished difference Result 50010 states and 53111 transitions. [2020-12-23 03:45:25,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:45:25,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1136 [2020-12-23 03:45:25,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:25,707 INFO L225 Difference]: With dead ends: 50010 [2020-12-23 03:45:25,707 INFO L226 Difference]: Without dead ends: 28236 [2020-12-23 03:45:25,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:45:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28236 states. [2020-12-23 03:45:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28236 to 20304. [2020-12-23 03:45:25,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20304 states. [2020-12-23 03:45:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20304 states to 20304 states and 21580 transitions. [2020-12-23 03:45:25,997 INFO L78 Accepts]: Start accepts. Automaton has 20304 states and 21580 transitions. Word has length 1136 [2020-12-23 03:45:25,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:25,997 INFO L481 AbstractCegarLoop]: Abstraction has 20304 states and 21580 transitions. [2020-12-23 03:45:25,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:45:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 20304 states and 21580 transitions. [2020-12-23 03:45:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1249 [2020-12-23 03:45:26,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:26,019 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:26,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 03:45:26,019 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:26,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash 95041160, now seen corresponding path program 1 times [2020-12-23 03:45:26,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:26,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850120678] [2020-12-23 03:45:26,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4617 backedges. 2661 proven. 808 refuted. 0 times theorem prover too weak. 1148 trivial. 0 not checked. [2020-12-23 03:45:29,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850120678] [2020-12-23 03:45:29,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397557369] [2020-12-23 03:45:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:45:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:29,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 03:45:29,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:45:31,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4617 backedges. 2362 proven. 0 refuted. 0 times theorem prover too weak. 2255 trivial. 0 not checked. [2020-12-23 03:45:31,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:45:31,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-12-23 03:45:31,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203435056] [2020-12-23 03:45:31,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:45:31,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:31,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:45:31,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 03:45:31,340 INFO L87 Difference]: Start difference. First operand 20304 states and 21580 transitions. Second operand 3 states. [2020-12-23 03:45:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:32,711 INFO L93 Difference]: Finished difference Result 41735 states and 44402 transitions. [2020-12-23 03:45:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:45:32,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1248 [2020-12-23 03:45:32,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:32,731 INFO L225 Difference]: With dead ends: 41735 [2020-12-23 03:45:32,731 INFO L226 Difference]: Without dead ends: 21801 [2020-12-23 03:45:32,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1255 GetRequests, 1249 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 03:45:32,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21801 states. [2020-12-23 03:45:32,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21801 to 21612. [2020-12-23 03:45:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21612 states. [2020-12-23 03:45:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21612 states to 21612 states and 22968 transitions. [2020-12-23 03:45:32,988 INFO L78 Accepts]: Start accepts. Automaton has 21612 states and 22968 transitions. Word has length 1248 [2020-12-23 03:45:32,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:32,989 INFO L481 AbstractCegarLoop]: Abstraction has 21612 states and 22968 transitions. [2020-12-23 03:45:32,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:45:32,989 INFO L276 IsEmpty]: Start isEmpty. Operand 21612 states and 22968 transitions. [2020-12-23 03:45:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2020-12-23 03:45:33,013 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:33,013 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:33,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2020-12-23 03:45:33,218 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:33,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:33,219 INFO L82 PathProgramCache]: Analyzing trace with hash 759028829, now seen corresponding path program 1 times [2020-12-23 03:45:33,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:33,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262333663] [2020-12-23 03:45:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5981 backedges. 2710 proven. 0 refuted. 0 times theorem prover too weak. 3271 trivial. 0 not checked. [2020-12-23 03:45:35,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262333663] [2020-12-23 03:45:35,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:45:35,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:45:35,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809606752] [2020-12-23 03:45:35,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:45:35,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:35,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:45:35,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:45:35,011 INFO L87 Difference]: Start difference. First operand 21612 states and 22968 transitions. Second operand 3 states. [2020-12-23 03:45:35,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:35,823 INFO L93 Difference]: Finished difference Result 41367 states and 43960 transitions. [2020-12-23 03:45:35,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:45:35,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1426 [2020-12-23 03:45:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:35,841 INFO L225 Difference]: With dead ends: 41367 [2020-12-23 03:45:35,842 INFO L226 Difference]: Without dead ends: 20125 [2020-12-23 03:45:35,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:45:35,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20125 states. [2020-12-23 03:45:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20125 to 20115. [2020-12-23 03:45:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20115 states. [2020-12-23 03:45:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20115 states to 20115 states and 21342 transitions. [2020-12-23 03:45:36,086 INFO L78 Accepts]: Start accepts. Automaton has 20115 states and 21342 transitions. Word has length 1426 [2020-12-23 03:45:36,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:36,087 INFO L481 AbstractCegarLoop]: Abstraction has 20115 states and 21342 transitions. [2020-12-23 03:45:36,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:45:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 20115 states and 21342 transitions. [2020-12-23 03:45:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1451 [2020-12-23 03:45:36,115 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:36,116 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:36,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-23 03:45:36,117 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:36,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:36,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1787522939, now seen corresponding path program 1 times [2020-12-23 03:45:36,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:36,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777332038] [2020-12-23 03:45:36,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6022 backedges. 3739 proven. 0 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2020-12-23 03:45:37,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777332038] [2020-12-23 03:45:37,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:45:37,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:45:37,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749595498] [2020-12-23 03:45:37,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:45:37,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:37,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:45:37,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:45:37,536 INFO L87 Difference]: Start difference. First operand 20115 states and 21342 transitions. Second operand 3 states. [2020-12-23 03:45:38,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:38,930 INFO L93 Difference]: Finished difference Result 37834 states and 40170 transitions. [2020-12-23 03:45:38,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:45:38,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1450 [2020-12-23 03:45:38,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:38,948 INFO L225 Difference]: With dead ends: 37834 [2020-12-23 03:45:38,949 INFO L226 Difference]: Without dead ends: 18089 [2020-12-23 03:45:38,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:45:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18089 states. [2020-12-23 03:45:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18089 to 16985. [2020-12-23 03:45:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16985 states. [2020-12-23 03:45:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16985 states to 16985 states and 17916 transitions. [2020-12-23 03:45:39,166 INFO L78 Accepts]: Start accepts. Automaton has 16985 states and 17916 transitions. Word has length 1450 [2020-12-23 03:45:39,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:39,166 INFO L481 AbstractCegarLoop]: Abstraction has 16985 states and 17916 transitions. [2020-12-23 03:45:39,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:45:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16985 states and 17916 transitions. [2020-12-23 03:45:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1657 [2020-12-23 03:45:39,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:39,195 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:39,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-23 03:45:39,196 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:39,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:39,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1911232197, now seen corresponding path program 1 times [2020-12-23 03:45:39,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:39,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396514153] [2020-12-23 03:45:39,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 4074 proven. 228 refuted. 0 times theorem prover too weak. 3826 trivial. 0 not checked. [2020-12-23 03:45:42,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396514153] [2020-12-23 03:45:42,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687775037] [2020-12-23 03:45:42,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:45:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:45:43,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-23 03:45:43,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:45:44,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 03:45:44,766 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 03:45:44,770 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 03:45:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 4344 proven. 304 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2020-12-23 03:45:48,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 03:45:48,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 9 [2020-12-23 03:45:48,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623524714] [2020-12-23 03:45:48,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 03:45:48,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:45:48,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 03:45:48,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-12-23 03:45:48,884 INFO L87 Difference]: Start difference. First operand 16985 states and 17916 transitions. Second operand 10 states. [2020-12-23 03:45:55,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:45:55,621 INFO L93 Difference]: Finished difference Result 35381 states and 37295 transitions. [2020-12-23 03:45:55,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 03:45:55,622 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1656 [2020-12-23 03:45:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:45:55,640 INFO L225 Difference]: With dead ends: 35381 [2020-12-23 03:45:55,641 INFO L226 Difference]: Without dead ends: 18582 [2020-12-23 03:45:55,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1671 GetRequests, 1651 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-12-23 03:45:55,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18582 states. [2020-12-23 03:45:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18582 to 17353. [2020-12-23 03:45:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17353 states. [2020-12-23 03:45:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17353 states to 17353 states and 18277 transitions. [2020-12-23 03:45:55,879 INFO L78 Accepts]: Start accepts. Automaton has 17353 states and 18277 transitions. Word has length 1656 [2020-12-23 03:45:55,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:45:55,880 INFO L481 AbstractCegarLoop]: Abstraction has 17353 states and 18277 transitions. [2020-12-23 03:45:55,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 03:45:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17353 states and 18277 transitions. [2020-12-23 03:45:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1770 [2020-12-23 03:45:55,907 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:45:55,908 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:45:56,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-12-23 03:45:56,119 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:45:56,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:45:56,119 INFO L82 PathProgramCache]: Analyzing trace with hash -870530921, now seen corresponding path program 1 times [2020-12-23 03:45:56,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:45:56,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946085974] [2020-12-23 03:45:56,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:45:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:46:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 5365 proven. 263 refuted. 0 times theorem prover too weak. 3826 trivial. 0 not checked. [2020-12-23 03:46:00,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946085974] [2020-12-23 03:46:00,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282002917] [2020-12-23 03:46:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:46:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:46:01,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 03:46:01,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:46:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 5296 proven. 0 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked. [2020-12-23 03:46:04,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:46:04,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2020-12-23 03:46:04,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891226340] [2020-12-23 03:46:04,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:46:04,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:46:04,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:46:04,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-12-23 03:46:04,632 INFO L87 Difference]: Start difference. First operand 17353 states and 18277 transitions. Second operand 4 states. [2020-12-23 03:46:06,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:46:06,529 INFO L93 Difference]: Finished difference Result 26950 states and 28362 transitions. [2020-12-23 03:46:06,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:46:06,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1769 [2020-12-23 03:46:06,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:46:06,531 INFO L225 Difference]: With dead ends: 26950 [2020-12-23 03:46:06,531 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 03:46:06,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1774 GetRequests, 1767 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-12-23 03:46:06,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 03:46:06,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 03:46:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 03:46:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 03:46:06,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1769 [2020-12-23 03:46:06,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:46:06,540 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 03:46:06,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:46:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 03:46:06,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 03:46:06,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-12-23 03:46:06,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 03:46:14,349 WARN L197 SmtUtils]: Spent 7.59 s on a formula simplification. DAG size of input: 1642 DAG size of output: 1083 [2020-12-23 03:46:21,032 WARN L197 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 1636 DAG size of output: 1083 [2020-12-23 03:46:39,988 WARN L197 SmtUtils]: Spent 18.94 s on a formula simplification. DAG size of input: 981 DAG size of output: 150 [2020-12-23 03:46:59,747 WARN L197 SmtUtils]: Spent 19.75 s on a formula simplification. DAG size of input: 981 DAG size of output: 150 [2020-12-23 03:46:59,753 INFO L189 CegarLoopUtils]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-12-23 03:46:59,753 INFO L189 CegarLoopUtils]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,753 INFO L189 CegarLoopUtils]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-12-23 03:46:59,753 INFO L189 CegarLoopUtils]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,753 INFO L189 CegarLoopUtils]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,754 INFO L189 CegarLoopUtils]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,754 INFO L189 CegarLoopUtils]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,754 INFO L189 CegarLoopUtils]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,754 INFO L189 CegarLoopUtils]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,754 INFO L189 CegarLoopUtils]: For program point L169(line 169) no Hoare annotation was computed. [2020-12-23 03:46:59,754 INFO L189 CegarLoopUtils]: For program point L103(line 103) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,755 INFO L189 CegarLoopUtils]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L106(line 106) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,756 INFO L189 CegarLoopUtils]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L109(line 109) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,757 INFO L189 CegarLoopUtils]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,758 INFO L185 CegarLoopUtils]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse28 (+ ~a23~0 43)) (.cse14 (<= 247 ~a29~0)) (.cse15 (<= ~a23~0 138)) (.cse19 (<= 130 ~a29~0)) (.cse2 (= ~a8~0 15)) (.cse11 (= ~a4~0 1)) (.cse5 (= ~a3~0 1))) (let ((.cse16 (<= 312 ~a23~0)) (.cse3 (<= ~a29~0 274)) (.cse8 (<= ~a25~0 9)) (.cse9 (< 306 ~a23~0)) (.cse7 (or (and .cse15 .cse11 .cse14) (and .cse15 .cse19 .cse2 .cse11 .cse5))) (.cse20 (= ~a25~0 11)) (.cse26 (<= ~a29~0 140)) (.cse13 (<= .cse28 0)) (.cse18 (= ~a25~0 10)) (.cse6 (<= (+ ~a23~0 55) 0)) (.cse0 (= ~a4~0 0)) (.cse1 (< 140 ~a29~0)) (.cse22 (<= ~a29~0 245)) (.cse23 (<= ~a23~0 599997)) (.cse25 (<= 0 (+ ~a29~0 580294))) (.cse17 (<= ~a25~0 10)) (.cse24 (<= ~a29~0 130)) (.cse27 (<= ~a23~0 312)) (.cse4 (= ~a25~0 12)) (.cse21 (<= 27009 ~a29~0)) (.cse12 (= ~a25~0 13)) (.cse10 (<= ~a23~0 600000))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse5) (and .cse9 .cse1 .cse2 .cse4 .cse10 .cse11 .cse5) (and .cse0 (or (and .cse12 .cse3 .cse13 .cse14) (and .cse8 .cse13 .cse14)) .cse2 .cse5) (and .cse15 .cse8 .cse11 (<= 300138 ~a29~0)) (and (or (and .cse16 .cse17 .cse18 .cse19 .cse3 .cse10 .cse11) (and .cse17 .cse16 .cse8 .cse19 .cse3 .cse10 .cse11)) .cse1 .cse2 .cse5) (and .cse20 .cse15 .cse11) (and .cse21 .cse7 .cse2 .cse5) (and .cse7 .cse1 .cse22 .cse5) (and (<= ~a29~0 275) .cse0 .cse2 .cse4 .cse5 .cse14) (and (or (and .cse16 .cse17 .cse18 .cse1 .cse19 .cse2 .cse3 .cse11) (and .cse17 .cse16 .cse8 .cse1 .cse19 .cse2 .cse3 .cse11)) .cse22 .cse5) (and .cse20 .cse2 .cse10 .cse11 .cse5 .cse14) (and .cse9 .cse12 .cse2 .cse11 .cse23 .cse5) (and .cse0 (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse24 .cse2 .cse4 .cse5 .cse25 .cse6) (and .cse0 .cse8 .cse24 .cse2 .cse13 .cse25 .cse5) (and .cse8 .cse26 .cse27 .cse2 .cse11 .cse5) (and .cse20 .cse9 .cse1 .cse2 .cse10 .cse11 .cse5) (and .cse7 .cse18) (and .cse18 .cse2 .cse11 .cse5 .cse23) (and .cse12 .cse1 .cse2 .cse10 .cse11 .cse5 (<= ~a29~0 232)) (and (or (and .cse20 (or (and .cse26 (<= (+ ~a23~0 119992) 0)) (and .cse24 .cse13)) .cse25) (and .cse18 .cse24 .cse25 .cse6)) .cse0 .cse2 .cse5) (and .cse12 .cse1 .cse2 .cse22 .cse23 .cse11 .cse5) (and .cse12 .cse24 .cse2 .cse11 .cse23 .cse5 .cse25) (and .cse17 .cse2 .cse10 .cse11 .cse5 .cse14) (and .cse15 .cse24 .cse11) (and .cse27 .cse2 .cse4 (< 0 .cse28) .cse11 .cse5) (and .cse21 .cse12 .cse2 .cse10 .cse11 .cse5)))) [2020-12-23 03:46:59,758 INFO L189 CegarLoopUtils]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,758 INFO L189 CegarLoopUtils]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-12-23 03:46:59,758 INFO L189 CegarLoopUtils]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-12-23 03:46:59,758 INFO L189 CegarLoopUtils]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L178(line 178) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L112(line 112) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-23 03:46:59,759 INFO L192 CegarLoopUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-12-23 03:46:59,759 INFO L189 CegarLoopUtils]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L181(line 181) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L115(line 115) no Hoare annotation was computed. [2020-12-23 03:46:59,760 INFO L189 CegarLoopUtils]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-23 03:46:59,761 INFO L189 CegarLoopUtils]: For program point L118(line 118) no Hoare annotation was computed. [2020-12-23 03:46:59,762 INFO L189 CegarLoopUtils]: For program point L52(line 52) no Hoare annotation was computed. [2020-12-23 03:46:59,762 INFO L189 CegarLoopUtils]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,762 INFO L185 CegarLoopUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse28 (+ ~a23~0 43)) (.cse14 (<= 247 ~a29~0)) (.cse15 (<= ~a23~0 138)) (.cse19 (<= 130 ~a29~0)) (.cse2 (= ~a8~0 15)) (.cse11 (= ~a4~0 1)) (.cse5 (= ~a3~0 1))) (let ((.cse16 (<= 312 ~a23~0)) (.cse3 (<= ~a29~0 274)) (.cse8 (<= ~a25~0 9)) (.cse9 (< 306 ~a23~0)) (.cse7 (or (and .cse15 .cse11 .cse14) (and .cse15 .cse19 .cse2 .cse11 .cse5))) (.cse20 (= ~a25~0 11)) (.cse26 (<= ~a29~0 140)) (.cse13 (<= .cse28 0)) (.cse18 (= ~a25~0 10)) (.cse6 (<= (+ ~a23~0 55) 0)) (.cse0 (= ~a4~0 0)) (.cse1 (< 140 ~a29~0)) (.cse22 (<= ~a29~0 245)) (.cse23 (<= ~a23~0 599997)) (.cse25 (<= 0 (+ ~a29~0 580294))) (.cse17 (<= ~a25~0 10)) (.cse24 (<= ~a29~0 130)) (.cse27 (<= ~a23~0 312)) (.cse4 (= ~a25~0 12)) (.cse21 (<= 27009 ~a29~0)) (.cse12 (= ~a25~0 13)) (.cse10 (<= ~a23~0 600000))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse5) (and .cse9 .cse1 .cse2 .cse4 .cse10 .cse11 .cse5) (and .cse0 (or (and .cse12 .cse3 .cse13 .cse14) (and .cse8 .cse13 .cse14)) .cse2 .cse5) (and .cse15 .cse8 .cse11 (<= 300138 ~a29~0)) (and (or (and .cse16 .cse17 .cse18 .cse19 .cse3 .cse10 .cse11) (and .cse17 .cse16 .cse8 .cse19 .cse3 .cse10 .cse11)) .cse1 .cse2 .cse5) (and .cse20 .cse15 .cse11) (and .cse21 .cse7 .cse2 .cse5) (and .cse7 .cse1 .cse22 .cse5) (and (<= ~a29~0 275) .cse0 .cse2 .cse4 .cse5 .cse14) (and (or (and .cse16 .cse17 .cse18 .cse1 .cse19 .cse2 .cse3 .cse11) (and .cse17 .cse16 .cse8 .cse1 .cse19 .cse2 .cse3 .cse11)) .cse22 .cse5) (and .cse20 .cse2 .cse10 .cse11 .cse5 .cse14) (and .cse9 .cse12 .cse2 .cse11 .cse23 .cse5) (and .cse0 (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse24 .cse2 .cse4 .cse5 .cse25 .cse6) (and .cse0 .cse8 .cse24 .cse2 .cse13 .cse25 .cse5) (and .cse8 .cse26 .cse27 .cse2 .cse11 .cse5) (and .cse20 .cse9 .cse1 .cse2 .cse10 .cse11 .cse5) (and .cse7 .cse18) (and .cse18 .cse2 .cse11 .cse5 .cse23) (and .cse12 .cse1 .cse2 .cse10 .cse11 .cse5 (<= ~a29~0 232)) (and (or (and .cse20 (or (and .cse26 (<= (+ ~a23~0 119992) 0)) (and .cse24 .cse13)) .cse25) (and .cse18 .cse24 .cse25 .cse6)) .cse0 .cse2 .cse5) (and .cse12 .cse1 .cse2 .cse22 .cse23 .cse11 .cse5) (and .cse12 .cse24 .cse2 .cse11 .cse23 .cse5 .cse25) (and .cse17 .cse2 .cse10 .cse11 .cse5 .cse14) (and .cse15 .cse24 .cse11) (and .cse27 .cse2 .cse4 (< 0 .cse28) .cse11 .cse5) (and .cse21 .cse12 .cse2 .cse10 .cse11 .cse5)))) [2020-12-23 03:46:59,762 INFO L189 CegarLoopUtils]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L187(line 187) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L121(line 121) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-23 03:46:59,763 INFO L189 CegarLoopUtils]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,764 INFO L189 CegarLoopUtils]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L124(line 124) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L58(line 58) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,765 INFO L189 CegarLoopUtils]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L127(line 127) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L61(line 61) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,766 INFO L189 CegarLoopUtils]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L130(line 130) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-23 03:46:59,767 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,768 INFO L189 CegarLoopUtils]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L133(line 133) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L67(line 67) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,769 INFO L189 CegarLoopUtils]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L202(line 202) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L136(line 136) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L70(line 70) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,770 INFO L189 CegarLoopUtils]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L139(line 139) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L73(line 73) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-23 03:46:59,771 INFO L189 CegarLoopUtils]: For program point L142(line 142) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L76(line 76) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,772 INFO L189 CegarLoopUtils]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L79(line 79) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,773 INFO L189 CegarLoopUtils]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L214(line 214) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L148(line 148) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,774 INFO L189 CegarLoopUtils]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,775 INFO L189 CegarLoopUtils]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L154(line 154) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,776 INFO L189 CegarLoopUtils]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,777 INFO L189 CegarLoopUtils]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,778 INFO L189 CegarLoopUtils]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L163(line 163) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L97(line 97) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,779 INFO L189 CegarLoopUtils]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L100(line 100) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-23 03:46:59,780 INFO L189 CegarLoopUtils]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-12-23 03:46:59,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:46:59 BoogieIcfgContainer [2020-12-23 03:46:59,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 03:46:59,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 03:46:59,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 03:46:59,853 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 03:46:59,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:43:28" (3/4) ... [2020-12-23 03:46:59,866 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 03:46:59,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 03:46:59,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 03:46:59,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:46:59,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:47:00,182 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem11_label46.c-witness.graphml [2020-12-23 03:47:00,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 03:47:00,184 INFO L168 Benchmark]: Toolchain (without parser) took 214405.62 ms. Allocated memory was 159.4 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 131.0 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-12-23 03:47:00,185 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 03:47:00,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 903.64 ms. Allocated memory is still 159.4 MB. Free memory was 130.8 MB in the beginning and 119.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2020-12-23 03:47:00,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.77 ms. Allocated memory is still 159.4 MB. Free memory was 119.1 MB in the beginning and 101.8 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-12-23 03:47:00,187 INFO L168 Benchmark]: Boogie Preprocessor took 131.60 ms. Allocated memory is still 159.4 MB. Free memory was 101.8 MB in the beginning and 91.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 03:47:00,188 INFO L168 Benchmark]: RCFGBuilder took 1893.41 ms. Allocated memory was 159.4 MB in the beginning and 192.9 MB in the end (delta: 33.6 MB). Free memory was 91.7 MB in the beginning and 148.3 MB in the end (delta: -56.6 MB). Peak memory consumption was 69.3 MB. Max. memory is 8.0 GB. [2020-12-23 03:47:00,188 INFO L168 Benchmark]: TraceAbstraction took 210989.82 ms. Allocated memory was 192.9 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 147.8 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2020-12-23 03:47:00,188 INFO L168 Benchmark]: Witness Printer took 329.37 ms. Allocated memory is still 3.5 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:47:00,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 903.64 ms. Allocated memory is still 159.4 MB. Free memory was 130.8 MB in the beginning and 119.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 147.77 ms. Allocated memory is still 159.4 MB. Free memory was 119.1 MB in the beginning and 101.8 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 131.60 ms. Allocated memory is still 159.4 MB. Free memory was 101.8 MB in the beginning and 91.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1893.41 ms. Allocated memory was 159.4 MB in the beginning and 192.9 MB in the end (delta: 33.6 MB). Free memory was 91.7 MB in the beginning and 148.3 MB in the end (delta: -56.6 MB). Peak memory consumption was 69.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 210989.82 ms. Allocated memory was 192.9 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 147.8 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. * Witness Printer took 329.37 ms. Allocated memory is still 3.5 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a4 == 0 && 140 < a29) && a8 == 15) && a29 <= 274) && a25 == 12) && a3 == 1) && a23 + 55 <= 0) || (((((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1)) && a25 <= 9) && a3 == 1)) || ((((((306 < a23 && 140 < a29) && a8 == 15) && a25 == 12) && a23 <= 600000) && a4 == 1) && a3 == 1)) || (((a4 == 0 && ((((a25 == 13 && a29 <= 274) && a23 + 43 <= 0) && 247 <= a29) || ((a25 <= 9 && a23 + 43 <= 0) && 247 <= a29))) && a8 == 15) && a3 == 1)) || (((a23 <= 138 && a25 <= 9) && a4 == 1) && 300138 <= a29)) || ((((((((((312 <= a23 && a25 <= 10) && a25 == 10) && 130 <= a29) && a29 <= 274) && a23 <= 600000) && a4 == 1) || ((((((a25 <= 10 && 312 <= a23) && a25 <= 9) && 130 <= a29) && a29 <= 274) && a23 <= 600000) && a4 == 1)) && 140 < a29) && a8 == 15) && a3 == 1)) || ((a25 == 11 && a23 <= 138) && a4 == 1)) || (((27009 <= a29 && (((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1))) && a8 == 15) && a3 == 1)) || ((((((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1)) && 140 < a29) && a29 <= 245) && a3 == 1)) || (((((a29 <= 275 && a4 == 0) && a8 == 15) && a25 == 12) && a3 == 1) && 247 <= a29)) || ((((((((((312 <= a23 && a25 <= 10) && a25 == 10) && 140 < a29) && 130 <= a29) && a8 == 15) && a29 <= 274) && a4 == 1) || (((((((a25 <= 10 && 312 <= a23) && a25 <= 9) && 140 < a29) && 130 <= a29) && a8 == 15) && a29 <= 274) && a4 == 1)) && a29 <= 245) && a3 == 1)) || (((((a25 == 11 && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) && 247 <= a29)) || (((((306 < a23 && a25 == 13) && a8 == 15) && a4 == 1) && a23 <= 599997) && a3 == 1)) || (((((((a4 == 0 && !(6 == input)) && a29 <= 130) && a8 == 15) && a25 == 12) && a3 == 1) && 0 <= a29 + 580294) && a23 + 55 <= 0)) || ((((((a4 == 0 && a25 <= 9) && a29 <= 130) && a8 == 15) && a23 + 43 <= 0) && 0 <= a29 + 580294) && a3 == 1)) || (((((a25 <= 9 && a29 <= 140) && a23 <= 312) && a8 == 15) && a4 == 1) && a3 == 1)) || ((((((a25 == 11 && 306 < a23) && 140 < a29) && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1)) || ((((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1)) && a25 == 10)) || ((((a25 == 10 && a8 == 15) && a4 == 1) && a3 == 1) && a23 <= 599997)) || ((((((a25 == 13 && 140 < a29) && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) && a29 <= 232)) || ((((((a25 == 11 && ((a29 <= 140 && a23 + 119992 <= 0) || (a29 <= 130 && a23 + 43 <= 0))) && 0 <= a29 + 580294) || (((a25 == 10 && a29 <= 130) && 0 <= a29 + 580294) && a23 + 55 <= 0)) && a4 == 0) && a8 == 15) && a3 == 1)) || ((((((a25 == 13 && 140 < a29) && a8 == 15) && a29 <= 245) && a23 <= 599997) && a4 == 1) && a3 == 1)) || ((((((a25 == 13 && a29 <= 130) && a8 == 15) && a4 == 1) && a23 <= 599997) && a3 == 1) && 0 <= a29 + 580294)) || (((((a25 <= 10 && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) && 247 <= a29)) || ((a23 <= 138 && a29 <= 130) && a4 == 1)) || (((((a23 <= 312 && a8 == 15) && a25 == 12) && 0 < a23 + 43) && a4 == 1) && a3 == 1)) || (((((27009 <= a29 && a25 == 13) && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a4 == 0 && 140 < a29) && a8 == 15) && a29 <= 274) && a25 == 12) && a3 == 1) && a23 + 55 <= 0) || (((((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1)) && a25 <= 9) && a3 == 1)) || ((((((306 < a23 && 140 < a29) && a8 == 15) && a25 == 12) && a23 <= 600000) && a4 == 1) && a3 == 1)) || (((a4 == 0 && ((((a25 == 13 && a29 <= 274) && a23 + 43 <= 0) && 247 <= a29) || ((a25 <= 9 && a23 + 43 <= 0) && 247 <= a29))) && a8 == 15) && a3 == 1)) || (((a23 <= 138 && a25 <= 9) && a4 == 1) && 300138 <= a29)) || ((((((((((312 <= a23 && a25 <= 10) && a25 == 10) && 130 <= a29) && a29 <= 274) && a23 <= 600000) && a4 == 1) || ((((((a25 <= 10 && 312 <= a23) && a25 <= 9) && 130 <= a29) && a29 <= 274) && a23 <= 600000) && a4 == 1)) && 140 < a29) && a8 == 15) && a3 == 1)) || ((a25 == 11 && a23 <= 138) && a4 == 1)) || (((27009 <= a29 && (((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1))) && a8 == 15) && a3 == 1)) || ((((((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1)) && 140 < a29) && a29 <= 245) && a3 == 1)) || (((((a29 <= 275 && a4 == 0) && a8 == 15) && a25 == 12) && a3 == 1) && 247 <= a29)) || ((((((((((312 <= a23 && a25 <= 10) && a25 == 10) && 140 < a29) && 130 <= a29) && a8 == 15) && a29 <= 274) && a4 == 1) || (((((((a25 <= 10 && 312 <= a23) && a25 <= 9) && 140 < a29) && 130 <= a29) && a8 == 15) && a29 <= 274) && a4 == 1)) && a29 <= 245) && a3 == 1)) || (((((a25 == 11 && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) && 247 <= a29)) || (((((306 < a23 && a25 == 13) && a8 == 15) && a4 == 1) && a23 <= 599997) && a3 == 1)) || (((((((a4 == 0 && !(6 == input)) && a29 <= 130) && a8 == 15) && a25 == 12) && a3 == 1) && 0 <= a29 + 580294) && a23 + 55 <= 0)) || ((((((a4 == 0 && a25 <= 9) && a29 <= 130) && a8 == 15) && a23 + 43 <= 0) && 0 <= a29 + 580294) && a3 == 1)) || (((((a25 <= 9 && a29 <= 140) && a23 <= 312) && a8 == 15) && a4 == 1) && a3 == 1)) || ((((((a25 == 11 && 306 < a23) && 140 < a29) && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1)) || ((((a23 <= 138 && a4 == 1) && 247 <= a29) || ((((a23 <= 138 && 130 <= a29) && a8 == 15) && a4 == 1) && a3 == 1)) && a25 == 10)) || ((((a25 == 10 && a8 == 15) && a4 == 1) && a3 == 1) && a23 <= 599997)) || ((((((a25 == 13 && 140 < a29) && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) && a29 <= 232)) || ((((((a25 == 11 && ((a29 <= 140 && a23 + 119992 <= 0) || (a29 <= 130 && a23 + 43 <= 0))) && 0 <= a29 + 580294) || (((a25 == 10 && a29 <= 130) && 0 <= a29 + 580294) && a23 + 55 <= 0)) && a4 == 0) && a8 == 15) && a3 == 1)) || ((((((a25 == 13 && 140 < a29) && a8 == 15) && a29 <= 245) && a23 <= 599997) && a4 == 1) && a3 == 1)) || ((((((a25 == 13 && a29 <= 130) && a8 == 15) && a4 == 1) && a23 <= 599997) && a3 == 1) && 0 <= a29 + 580294)) || (((((a25 <= 10 && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) && 247 <= a29)) || ((a23 <= 138 && a29 <= 130) && a4 == 1)) || (((((a23 <= 312 && a8 == 15) && a25 == 12) && 0 < a23 + 43) && a4 == 1) && a3 == 1)) || (((((27009 <= a29 && a25 == 13) && a8 == 15) && a23 <= 600000) && a4 == 1) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 157.8s, OverallIterations: 39, TraceHistogramMax: 14, AutomataDifference: 77.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 53.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6120 SDtfs, 9403 SDslu, 1026 SDs, 0 SdLazy, 32093 SolverSat, 4821 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11099 GetRequests, 10948 SyntacticMatches, 3 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29156occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.3s AutomataMinimizationTime, 39 MinimizatonAttempts, 71594 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 195 NumberOfFragments, 1447 HoareAnnotationTreeSize, 3 FomulaSimplifications, 23406828 FormulaSimplificationTreeSizeReduction, 14.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 11367604 FormulaSimplificationTreeSizeReductionInter, 38.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 37236 NumberOfCodeBlocks, 37236 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 37184 ConstructedInterpolants, 0 QuantifiedInterpolants, 113409962 SizeOfPredicates, 15 NumberOfNonLiveVariables, 14104 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 52 InterpolantComputations, 36 PerfectInterpolantSequences, 110247/113539 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...