/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_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 13:34:04,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 13:34:04,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 13:34:04,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 13:34:04,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 13:34:04,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 13:34:04,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 13:34:04,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 13:34:04,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 13:34:04,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 13:34:04,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 13:34:04,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 13:34:04,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 13:34:04,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 13:34:04,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 13:34:04,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 13:34:04,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 13:34:04,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 13:34:04,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 13:34:04,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 13:34:04,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 13:34:04,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 13:34:04,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 13:34:04,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 13:34:04,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 13:34:04,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 13:34:04,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 13:34:04,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 13:34:04,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 13:34:04,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 13:34:04,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 13:34:04,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 13:34:04,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 13:34:04,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 13:34:04,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 13:34:04,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 13:34:04,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 13:34:04,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 13:34:04,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 13:34:04,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 13:34:04,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 13:34:04,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 13:34:04,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 13:34:04,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 13:34:04,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 13:34:04,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 13:34:04,312 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 13:34:04,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 13:34:04,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 13:34:04,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 13:34:04,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 13:34:04,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 13:34:04,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 13:34:04,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 13:34:04,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 13:34:04,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 13:34:04,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 13:34:04,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 13:34:04,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 13:34:04,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 13:34:04,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 13:34:04,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 13:34:04,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 13:34:04,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 13:34:04,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 13:34:04,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 13:34:04,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 13:34:04,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 13:34:04,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 13:34:04,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 13:34:04,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 13:34:04,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 13:34:04,830 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 13:34:04,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label22.c [2021-01-06 13:34:04,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f93cc75bc/73f59455b66d4187845e71f8f96d2b15/FLAG441e3a514 [2021-01-06 13:34:05,638 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 13:34:05,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label22.c [2021-01-06 13:34:05,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f93cc75bc/73f59455b66d4187845e71f8f96d2b15/FLAG441e3a514 [2021-01-06 13:34:05,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f93cc75bc/73f59455b66d4187845e71f8f96d2b15 [2021-01-06 13:34:05,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 13:34:05,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 13:34:05,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 13:34:05,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 13:34:05,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 13:34:05,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:34:05" (1/1) ... [2021-01-06 13:34:05,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d7d6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:05, skipping insertion in model container [2021-01-06 13:34:05,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:34:05" (1/1) ... [2021-01-06 13:34:05,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 13:34:05,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 13:34:06,298 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_label22.c[8004,8017] 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,] [2021-01-06 13:34:06,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:34:06,753 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 13:34:06,813 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_label22.c[8004,8017] 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,] [2021-01-06 13:34:06,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:34:06,991 INFO L208 MainTranslator]: Completed translation [2021-01-06 13:34:06,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06 WrapperNode [2021-01-06 13:34:06,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 13:34:06,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 13:34:06,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 13:34:06,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 13:34:07,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 13:34:07,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 13:34:07,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 13:34:07,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 13:34:07,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (1/1) ... [2021-01-06 13:34:07,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 13:34:07,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 13:34:07,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 13:34:07,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 13:34:07,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (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 [2021-01-06 13:34:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 13:34:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 13:34:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 13:34:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 13:34:09,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 13:34:09,428 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 13:34:09,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:34:09 BoogieIcfgContainer [2021-01-06 13:34:09,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 13:34:09,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 13:34:09,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 13:34:09,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 13:34:09,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 01:34:05" (1/3) ... [2021-01-06 13:34:09,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18fb30ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:34:09, skipping insertion in model container [2021-01-06 13:34:09,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:34:06" (2/3) ... [2021-01-06 13:34:09,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18fb30ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:34:09, skipping insertion in model container [2021-01-06 13:34:09,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:34:09" (3/3) ... [2021-01-06 13:34:09,441 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label22.c [2021-01-06 13:34:09,448 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 13:34:09,454 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 13:34:09,475 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 13:34:09,506 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 13:34:09,506 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 13:34:09,506 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 13:34:09,507 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 13:34:09,507 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 13:34:09,507 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 13:34:09,507 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 13:34:09,507 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 13:34:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2021-01-06 13:34:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 13:34:09,539 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:09,540 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] [2021-01-06 13:34:09,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:09,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:09,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2021-01-06 13:34:09,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:09,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732351129] [2021-01-06 13:34:09,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:34:10,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732351129] [2021-01-06 13:34:10,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:10,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:34:10,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849025625] [2021-01-06 13:34:10,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:10,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:10,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:10,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:10,055 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 3 states. [2021-01-06 13:34:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:11,580 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2021-01-06 13:34:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:11,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 13:34:11,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:11,602 INFO L225 Difference]: With dead ends: 769 [2021-01-06 13:34:11,602 INFO L226 Difference]: Without dead ends: 422 [2021-01-06 13:34:11,608 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 [2021-01-06 13:34:11,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-01-06 13:34:11,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-01-06 13:34:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2021-01-06 13:34:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2021-01-06 13:34:11,690 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 55 [2021-01-06 13:34:11,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:11,691 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2021-01-06 13:34:11,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2021-01-06 13:34:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-01-06 13:34:11,696 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:11,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:34:11,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 13:34:11,697 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:11,698 INFO L82 PathProgramCache]: Analyzing trace with hash -462240845, now seen corresponding path program 1 times [2021-01-06 13:34:11,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:11,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690934626] [2021-01-06 13:34:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:34:11,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690934626] [2021-01-06 13:34:11,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:11,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:34:11,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438689528] [2021-01-06 13:34:11,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:11,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:11,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:11,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:11,981 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2021-01-06 13:34:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:13,337 INFO L93 Difference]: Finished difference Result 1201 states and 1833 transitions. [2021-01-06 13:34:13,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:13,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2021-01-06 13:34:13,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:13,344 INFO L225 Difference]: With dead ends: 1201 [2021-01-06 13:34:13,344 INFO L226 Difference]: Without dead ends: 791 [2021-01-06 13:34:13,348 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 [2021-01-06 13:34:13,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-01-06 13:34:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 787. [2021-01-06 13:34:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2021-01-06 13:34:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-01-06 13:34:13,404 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 121 [2021-01-06 13:34:13,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:13,405 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-01-06 13:34:13,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-01-06 13:34:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 13:34:13,415 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:13,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:34:13,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 13:34:13,419 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:13,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:13,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1649165251, now seen corresponding path program 1 times [2021-01-06 13:34:13,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:13,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307760335] [2021-01-06 13:34:13,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:34:13,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307760335] [2021-01-06 13:34:13,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:13,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:34:13,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589100266] [2021-01-06 13:34:13,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:13,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:13,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:13,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:13,671 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand 3 states. [2021-01-06 13:34:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:14,797 INFO L93 Difference]: Finished difference Result 1943 states and 2632 transitions. [2021-01-06 13:34:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:14,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2021-01-06 13:34:14,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:14,806 INFO L225 Difference]: With dead ends: 1943 [2021-01-06 13:34:14,806 INFO L226 Difference]: Without dead ends: 1158 [2021-01-06 13:34:14,808 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 [2021-01-06 13:34:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-01-06 13:34:14,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1156. [2021-01-06 13:34:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2021-01-06 13:34:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1477 transitions. [2021-01-06 13:34:14,891 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1477 transitions. Word has length 125 [2021-01-06 13:34:14,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:14,892 INFO L481 AbstractCegarLoop]: Abstraction has 1156 states and 1477 transitions. [2021-01-06 13:34:14,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1477 transitions. [2021-01-06 13:34:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-01-06 13:34:14,907 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:14,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:34:14,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 13:34:14,908 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:14,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:14,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1855072308, now seen corresponding path program 1 times [2021-01-06 13:34:14,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:14,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387769497] [2021-01-06 13:34:14,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-01-06 13:34:15,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387769497] [2021-01-06 13:34:15,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:15,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:34:15,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354137777] [2021-01-06 13:34:15,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:15,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:15,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:15,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:15,150 INFO L87 Difference]: Start difference. First operand 1156 states and 1477 transitions. Second operand 3 states. [2021-01-06 13:34:16,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:16,446 INFO L93 Difference]: Finished difference Result 3056 states and 3919 transitions. [2021-01-06 13:34:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:16,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2021-01-06 13:34:16,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:16,461 INFO L225 Difference]: With dead ends: 3056 [2021-01-06 13:34:16,461 INFO L226 Difference]: Without dead ends: 1902 [2021-01-06 13:34:16,465 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 [2021-01-06 13:34:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2021-01-06 13:34:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1901. [2021-01-06 13:34:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2021-01-06 13:34:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2320 transitions. [2021-01-06 13:34:16,525 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2320 transitions. Word has length 167 [2021-01-06 13:34:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:16,528 INFO L481 AbstractCegarLoop]: Abstraction has 1901 states and 2320 transitions. [2021-01-06 13:34:16,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2320 transitions. [2021-01-06 13:34:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-01-06 13:34:16,536 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:16,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:34:16,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 13:34:16,537 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:16,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:16,538 INFO L82 PathProgramCache]: Analyzing trace with hash 693126941, now seen corresponding path program 1 times [2021-01-06 13:34:16,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:16,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493937090] [2021-01-06 13:34:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:34:16,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493937090] [2021-01-06 13:34:16,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:16,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:16,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663280338] [2021-01-06 13:34:16,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:34:16,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:16,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:34:16,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:34:16,852 INFO L87 Difference]: Start difference. First operand 1901 states and 2320 transitions. Second operand 4 states. [2021-01-06 13:34:18,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:18,944 INFO L93 Difference]: Finished difference Result 5670 states and 7173 transitions. [2021-01-06 13:34:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 13:34:18,945 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2021-01-06 13:34:18,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:18,966 INFO L225 Difference]: With dead ends: 5670 [2021-01-06 13:34:18,967 INFO L226 Difference]: Without dead ends: 3955 [2021-01-06 13:34:18,971 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 [2021-01-06 13:34:18,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2021-01-06 13:34:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3954. [2021-01-06 13:34:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3954 states. [2021-01-06 13:34:19,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 4884 transitions. [2021-01-06 13:34:19,064 INFO L78 Accepts]: Start accepts. Automaton has 3954 states and 4884 transitions. Word has length 182 [2021-01-06 13:34:19,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:19,065 INFO L481 AbstractCegarLoop]: Abstraction has 3954 states and 4884 transitions. [2021-01-06 13:34:19,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:34:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 4884 transitions. [2021-01-06 13:34:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-01-06 13:34:19,071 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:19,072 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, 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] [2021-01-06 13:34:19,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 13:34:19,073 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:19,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:19,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1614618080, now seen corresponding path program 1 times [2021-01-06 13:34:19,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:19,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949569506] [2021-01-06 13:34:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-01-06 13:34:19,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949569506] [2021-01-06 13:34:19,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:19,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:19,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498435545] [2021-01-06 13:34:19,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:19,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:19,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:19,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:19,348 INFO L87 Difference]: Start difference. First operand 3954 states and 4884 transitions. Second operand 3 states. [2021-01-06 13:34:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:20,855 INFO L93 Difference]: Finished difference Result 8839 states and 11150 transitions. [2021-01-06 13:34:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:20,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2021-01-06 13:34:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:20,888 INFO L225 Difference]: With dead ends: 8839 [2021-01-06 13:34:20,888 INFO L226 Difference]: Without dead ends: 5255 [2021-01-06 13:34:20,895 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 [2021-01-06 13:34:20,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2021-01-06 13:34:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 5243. [2021-01-06 13:34:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5243 states. [2021-01-06 13:34:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 6365 transitions. [2021-01-06 13:34:21,018 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 6365 transitions. Word has length 237 [2021-01-06 13:34:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:21,019 INFO L481 AbstractCegarLoop]: Abstraction has 5243 states and 6365 transitions. [2021-01-06 13:34:21,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 6365 transitions. [2021-01-06 13:34:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-01-06 13:34:21,025 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:21,025 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, 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] [2021-01-06 13:34:21,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 13:34:21,026 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:21,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:21,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1116092079, now seen corresponding path program 1 times [2021-01-06 13:34:21,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:21,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721662725] [2021-01-06 13:34:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-01-06 13:34:21,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721662725] [2021-01-06 13:34:21,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:21,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:21,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617219627] [2021-01-06 13:34:21,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:21,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:21,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:21,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:21,306 INFO L87 Difference]: Start difference. First operand 5243 states and 6365 transitions. Second operand 3 states. [2021-01-06 13:34:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:22,769 INFO L93 Difference]: Finished difference Result 11965 states and 14733 transitions. [2021-01-06 13:34:22,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:22,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2021-01-06 13:34:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:22,804 INFO L225 Difference]: With dead ends: 11965 [2021-01-06 13:34:22,804 INFO L226 Difference]: Without dead ends: 6908 [2021-01-06 13:34:22,812 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 [2021-01-06 13:34:22,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6908 states. [2021-01-06 13:34:22,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6908 to 6899. [2021-01-06 13:34:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6899 states. [2021-01-06 13:34:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6899 states to 6899 states and 8259 transitions. [2021-01-06 13:34:22,948 INFO L78 Accepts]: Start accepts. Automaton has 6899 states and 8259 transitions. Word has length 243 [2021-01-06 13:34:22,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:22,948 INFO L481 AbstractCegarLoop]: Abstraction has 6899 states and 8259 transitions. [2021-01-06 13:34:22,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:22,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6899 states and 8259 transitions. [2021-01-06 13:34:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-01-06 13:34:22,954 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:22,955 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, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 13:34:22,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 13:34:22,955 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:22,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:22,956 INFO L82 PathProgramCache]: Analyzing trace with hash 808906558, now seen corresponding path program 1 times [2021-01-06 13:34:22,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:22,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597772076] [2021-01-06 13:34:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-01-06 13:34:23,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597772076] [2021-01-06 13:34:23,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:23,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:23,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608240094] [2021-01-06 13:34:23,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:23,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:23,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:23,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:23,129 INFO L87 Difference]: Start difference. First operand 6899 states and 8259 transitions. Second operand 3 states. [2021-01-06 13:34:24,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:24,443 INFO L93 Difference]: Finished difference Result 15488 states and 18823 transitions. [2021-01-06 13:34:24,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:24,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2021-01-06 13:34:24,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:24,488 INFO L225 Difference]: With dead ends: 15488 [2021-01-06 13:34:24,488 INFO L226 Difference]: Without dead ends: 9701 [2021-01-06 13:34:24,499 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 [2021-01-06 13:34:24,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9701 states. [2021-01-06 13:34:24,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9701 to 9328. [2021-01-06 13:34:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9328 states. [2021-01-06 13:34:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9328 states to 9328 states and 11223 transitions. [2021-01-06 13:34:24,678 INFO L78 Accepts]: Start accepts. Automaton has 9328 states and 11223 transitions. Word has length 249 [2021-01-06 13:34:24,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:24,679 INFO L481 AbstractCegarLoop]: Abstraction has 9328 states and 11223 transitions. [2021-01-06 13:34:24,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 9328 states and 11223 transitions. [2021-01-06 13:34:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-01-06 13:34:24,691 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:24,691 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, 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] [2021-01-06 13:34:24,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 13:34:24,692 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:24,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:24,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1656818055, now seen corresponding path program 1 times [2021-01-06 13:34:24,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:24,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791970919] [2021-01-06 13:34:24,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-01-06 13:34:24,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791970919] [2021-01-06 13:34:24,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:24,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:24,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089226158] [2021-01-06 13:34:24,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:24,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:24,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:24,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:24,921 INFO L87 Difference]: Start difference. First operand 9328 states and 11223 transitions. Second operand 3 states. [2021-01-06 13:34:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:26,242 INFO L93 Difference]: Finished difference Result 18312 states and 22111 transitions. [2021-01-06 13:34:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:26,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2021-01-06 13:34:26,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:26,269 INFO L225 Difference]: With dead ends: 18312 [2021-01-06 13:34:26,269 INFO L226 Difference]: Without dead ends: 9354 [2021-01-06 13:34:26,280 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 [2021-01-06 13:34:26,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9354 states. [2021-01-06 13:34:26,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9354 to 9144. [2021-01-06 13:34:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9144 states. [2021-01-06 13:34:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9144 states to 9144 states and 10637 transitions. [2021-01-06 13:34:26,462 INFO L78 Accepts]: Start accepts. Automaton has 9144 states and 10637 transitions. Word has length 314 [2021-01-06 13:34:26,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:26,467 INFO L481 AbstractCegarLoop]: Abstraction has 9144 states and 10637 transitions. [2021-01-06 13:34:26,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 9144 states and 10637 transitions. [2021-01-06 13:34:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-01-06 13:34:26,479 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:26,480 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:34:26,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 13:34:26,480 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:26,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:26,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1919607885, now seen corresponding path program 1 times [2021-01-06 13:34:26,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:26,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353655165] [2021-01-06 13:34:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:26,715 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-01-06 13:34:26,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353655165] [2021-01-06 13:34:26,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:26,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:26,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994533036] [2021-01-06 13:34:26,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:26,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:26,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:26,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:26,718 INFO L87 Difference]: Start difference. First operand 9144 states and 10637 transitions. Second operand 3 states. [2021-01-06 13:34:27,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:27,983 INFO L93 Difference]: Finished difference Result 17138 states and 19997 transitions. [2021-01-06 13:34:27,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:27,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2021-01-06 13:34:27,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:28,004 INFO L225 Difference]: With dead ends: 17138 [2021-01-06 13:34:28,005 INFO L226 Difference]: Without dead ends: 8364 [2021-01-06 13:34:28,017 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 [2021-01-06 13:34:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8364 states. [2021-01-06 13:34:28,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8364 to 8176. [2021-01-06 13:34:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8176 states. [2021-01-06 13:34:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8176 states to 8176 states and 9142 transitions. [2021-01-06 13:34:28,148 INFO L78 Accepts]: Start accepts. Automaton has 8176 states and 9142 transitions. Word has length 315 [2021-01-06 13:34:28,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:28,149 INFO L481 AbstractCegarLoop]: Abstraction has 8176 states and 9142 transitions. [2021-01-06 13:34:28,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8176 states and 9142 transitions. [2021-01-06 13:34:28,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-01-06 13:34:28,160 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:28,161 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:34:28,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 13:34:28,161 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:28,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:28,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1092374188, now seen corresponding path program 1 times [2021-01-06 13:34:28,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:28,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70324909] [2021-01-06 13:34:28,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-01-06 13:34:28,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70324909] [2021-01-06 13:34:28,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:28,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:28,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238643599] [2021-01-06 13:34:28,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:28,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:28,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:28,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:28,477 INFO L87 Difference]: Start difference. First operand 8176 states and 9142 transitions. Second operand 3 states. [2021-01-06 13:34:29,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:29,866 INFO L93 Difference]: Finished difference Result 19846 states and 22374 transitions. [2021-01-06 13:34:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:29,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2021-01-06 13:34:29,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:29,892 INFO L225 Difference]: With dead ends: 19846 [2021-01-06 13:34:29,892 INFO L226 Difference]: Without dead ends: 12040 [2021-01-06 13:34:29,904 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 [2021-01-06 13:34:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12040 states. [2021-01-06 13:34:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12040 to 12040. [2021-01-06 13:34:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12040 states. [2021-01-06 13:34:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12040 states to 12040 states and 13335 transitions. [2021-01-06 13:34:30,161 INFO L78 Accepts]: Start accepts. Automaton has 12040 states and 13335 transitions. Word has length 320 [2021-01-06 13:34:30,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:30,162 INFO L481 AbstractCegarLoop]: Abstraction has 12040 states and 13335 transitions. [2021-01-06 13:34:30,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12040 states and 13335 transitions. [2021-01-06 13:34:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-01-06 13:34:30,177 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:30,178 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, 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, 1, 1, 1, 1, 1] [2021-01-06 13:34:30,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 13:34:30,178 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:30,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:30,179 INFO L82 PathProgramCache]: Analyzing trace with hash 2082760376, now seen corresponding path program 1 times [2021-01-06 13:34:30,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:30,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736229101] [2021-01-06 13:34:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-01-06 13:34:30,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736229101] [2021-01-06 13:34:30,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:30,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:30,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551985123] [2021-01-06 13:34:30,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:30,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:30,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:30,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:30,431 INFO L87 Difference]: Start difference. First operand 12040 states and 13335 transitions. Second operand 3 states. [2021-01-06 13:34:31,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:31,680 INFO L93 Difference]: Finished difference Result 24441 states and 27097 transitions. [2021-01-06 13:34:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:31,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2021-01-06 13:34:31,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:31,714 INFO L225 Difference]: With dead ends: 24441 [2021-01-06 13:34:31,714 INFO L226 Difference]: Without dead ends: 13879 [2021-01-06 13:34:31,730 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 [2021-01-06 13:34:31,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13879 states. [2021-01-06 13:34:31,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13879 to 9455. [2021-01-06 13:34:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9455 states. [2021-01-06 13:34:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9455 states to 9455 states and 10493 transitions. [2021-01-06 13:34:31,942 INFO L78 Accepts]: Start accepts. Automaton has 9455 states and 10493 transitions. Word has length 348 [2021-01-06 13:34:31,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:31,942 INFO L481 AbstractCegarLoop]: Abstraction has 9455 states and 10493 transitions. [2021-01-06 13:34:31,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 9455 states and 10493 transitions. [2021-01-06 13:34:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-01-06 13:34:31,955 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:31,956 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 13:34:31,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 13:34:31,956 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:31,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:31,957 INFO L82 PathProgramCache]: Analyzing trace with hash 413217873, now seen corresponding path program 1 times [2021-01-06 13:34:31,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:31,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136687607] [2021-01-06 13:34:31,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:34:32,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136687607] [2021-01-06 13:34:32,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:34:32,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:34:32,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316622770] [2021-01-06 13:34:32,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:34:32,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:34:32,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:34:32,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:34:32,322 INFO L87 Difference]: Start difference. First operand 9455 states and 10493 transitions. Second operand 3 states. [2021-01-06 13:34:33,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:34:33,770 INFO L93 Difference]: Finished difference Result 21483 states and 23868 transitions. [2021-01-06 13:34:33,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:34:33,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 357 [2021-01-06 13:34:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:34:33,795 INFO L225 Difference]: With dead ends: 21483 [2021-01-06 13:34:33,796 INFO L226 Difference]: Without dead ends: 12030 [2021-01-06 13:34:33,806 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 [2021-01-06 13:34:33,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12030 states. [2021-01-06 13:34:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12030 to 12025. [2021-01-06 13:34:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12025 states. [2021-01-06 13:34:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12025 states to 12025 states and 13254 transitions. [2021-01-06 13:34:33,974 INFO L78 Accepts]: Start accepts. Automaton has 12025 states and 13254 transitions. Word has length 357 [2021-01-06 13:34:33,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:34:33,975 INFO L481 AbstractCegarLoop]: Abstraction has 12025 states and 13254 transitions. [2021-01-06 13:34:33,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:34:33,975 INFO L276 IsEmpty]: Start isEmpty. Operand 12025 states and 13254 transitions. [2021-01-06 13:34:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-01-06 13:34:33,985 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:34:33,985 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 13:34:33,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 13:34:33,986 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:34:33,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:34:33,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1694407671, now seen corresponding path program 1 times [2021-01-06 13:34:33,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:34:33,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867583641] [2021-01-06 13:34:33,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:34:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-01-06 13:34:34,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867583641] [2021-01-06 13:34:34,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649327471] [2021-01-06 13:34:34,400 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 [2021-01-06 13:34:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:34:34,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 13:34:34,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:34:35,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 13:34:35,191 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:35,322 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:35,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:34:35,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 13:34:35,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:34:35,457 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 13:34:35,475 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-06 13:34:35,660 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:35,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:34:35,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:34:35,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-06 13:34:35,960 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:34:35,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:34:36,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2021-01-06 13:34:36,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2021-01-06 13:34:36,646 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:37,664 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:39,319 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:40,826 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:41,959 INFO L757 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:43,067 INFO L757 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:45,124 INFO L757 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:47,099 INFO L757 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:49,860 INFO L757 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:53,484 INFO L757 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:34:56,982 INFO L757 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:01,436 INFO L757 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:02,877 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: variable got div captured [2021-01-06 13:35:02,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:35:02,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2021-01-06 13:35:02,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108946711] [2021-01-06 13:35:02,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:35:02,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:35:02,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:35:02,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:35:02,880 INFO L87 Difference]: Start difference. First operand 12025 states and 13254 transitions. Second operand 4 states. [2021-01-06 13:35:04,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:35:04,700 INFO L93 Difference]: Finished difference Result 19213 states and 21121 transitions. [2021-01-06 13:35:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 13:35:04,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 360 [2021-01-06 13:35:04,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:35:04,744 INFO L225 Difference]: With dead ends: 19213 [2021-01-06 13:35:04,744 INFO L226 Difference]: Without dead ends: 19211 [2021-01-06 13:35:04,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:35:04,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19211 states. [2021-01-06 13:35:05,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19211 to 12025. [2021-01-06 13:35:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12025 states. [2021-01-06 13:35:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12025 states to 12025 states and 13253 transitions. [2021-01-06 13:35:05,110 INFO L78 Accepts]: Start accepts. Automaton has 12025 states and 13253 transitions. Word has length 360 [2021-01-06 13:35:05,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:35:05,111 INFO L481 AbstractCegarLoop]: Abstraction has 12025 states and 13253 transitions. [2021-01-06 13:35:05,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:35:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 12025 states and 13253 transitions. [2021-01-06 13:35:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-01-06 13:35:05,133 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:35:05,133 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, 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, 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] [2021-01-06 13:35:05,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-06 13:35:05,349 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:35:05,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:35:05,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1658560657, now seen corresponding path program 1 times [2021-01-06 13:35:05,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:35:05,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900941875] [2021-01-06 13:35:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:35:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:35:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-01-06 13:35:05,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900941875] [2021-01-06 13:35:05,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:35:05,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:35:05,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770155547] [2021-01-06 13:35:05,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:35:05,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:35:05,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:35:05,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:35:05,847 INFO L87 Difference]: Start difference. First operand 12025 states and 13253 transitions. Second operand 3 states. [2021-01-06 13:35:07,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:35:07,188 INFO L93 Difference]: Finished difference Result 25157 states and 27747 transitions. [2021-01-06 13:35:07,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:35:07,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 481 [2021-01-06 13:35:07,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:35:07,213 INFO L225 Difference]: With dead ends: 25157 [2021-01-06 13:35:07,213 INFO L226 Difference]: Without dead ends: 13134 [2021-01-06 13:35:07,225 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 [2021-01-06 13:35:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13134 states. [2021-01-06 13:35:07,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13134 to 12393. [2021-01-06 13:35:07,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12393 states. [2021-01-06 13:35:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12393 states to 12393 states and 13615 transitions. [2021-01-06 13:35:07,420 INFO L78 Accepts]: Start accepts. Automaton has 12393 states and 13615 transitions. Word has length 481 [2021-01-06 13:35:07,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:35:07,420 INFO L481 AbstractCegarLoop]: Abstraction has 12393 states and 13615 transitions. [2021-01-06 13:35:07,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:35:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12393 states and 13615 transitions. [2021-01-06 13:35:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-01-06 13:35:07,437 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:35:07,438 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, 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, 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] [2021-01-06 13:35:07,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 13:35:07,438 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:35:07,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:35:07,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1992725028, now seen corresponding path program 1 times [2021-01-06 13:35:07,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:35:07,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237660759] [2021-01-06 13:35:07,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:35:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:35:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-01-06 13:35:07,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237660759] [2021-01-06 13:35:07,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:35:07,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 13:35:07,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854644444] [2021-01-06 13:35:07,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:35:07,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:35:07,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:35:07,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:35:07,909 INFO L87 Difference]: Start difference. First operand 12393 states and 13615 transitions. Second operand 4 states. [2021-01-06 13:35:09,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:35:09,940 INFO L93 Difference]: Finished difference Result 26253 states and 28864 transitions. [2021-01-06 13:35:09,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 13:35:09,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 482 [2021-01-06 13:35:09,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:35:09,962 INFO L225 Difference]: With dead ends: 26253 [2021-01-06 13:35:09,963 INFO L226 Difference]: Without dead ends: 13678 [2021-01-06 13:35:09,973 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 [2021-01-06 13:35:09,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13678 states. [2021-01-06 13:35:10,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13678 to 11649. [2021-01-06 13:35:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11649 states. [2021-01-06 13:35:10,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11649 states to 11649 states and 12745 transitions. [2021-01-06 13:35:10,154 INFO L78 Accepts]: Start accepts. Automaton has 11649 states and 12745 transitions. Word has length 482 [2021-01-06 13:35:10,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:35:10,155 INFO L481 AbstractCegarLoop]: Abstraction has 11649 states and 12745 transitions. [2021-01-06 13:35:10,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:35:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 11649 states and 12745 transitions. [2021-01-06 13:35:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-01-06 13:35:10,173 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:35:10,174 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:35:10,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 13:35:10,174 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:35:10,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:35:10,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1527728535, now seen corresponding path program 1 times [2021-01-06 13:35:10,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:35:10,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526344903] [2021-01-06 13:35:10,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:35:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:35:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-01-06 13:35:11,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526344903] [2021-01-06 13:35:11,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:35:11,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 13:35:11,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265016701] [2021-01-06 13:35:11,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 13:35:11,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:35:11,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 13:35:11,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:35:11,313 INFO L87 Difference]: Start difference. First operand 11649 states and 12745 transitions. Second operand 5 states. [2021-01-06 13:35:13,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:35:13,273 INFO L93 Difference]: Finished difference Result 23084 states and 25227 transitions. [2021-01-06 13:35:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 13:35:13,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 491 [2021-01-06 13:35:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:35:13,292 INFO L225 Difference]: With dead ends: 23084 [2021-01-06 13:35:13,292 INFO L226 Difference]: Without dead ends: 11621 [2021-01-06 13:35:13,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:35:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11621 states. [2021-01-06 13:35:13,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11621 to 11084. [2021-01-06 13:35:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11084 states. [2021-01-06 13:35:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11084 states to 11084 states and 12092 transitions. [2021-01-06 13:35:13,488 INFO L78 Accepts]: Start accepts. Automaton has 11084 states and 12092 transitions. Word has length 491 [2021-01-06 13:35:13,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:35:13,489 INFO L481 AbstractCegarLoop]: Abstraction has 11084 states and 12092 transitions. [2021-01-06 13:35:13,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 13:35:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 11084 states and 12092 transitions. [2021-01-06 13:35:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2021-01-06 13:35:13,513 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:35:13,514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:35:13,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 13:35:13,514 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:35:13,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:35:13,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1961021773, now seen corresponding path program 1 times [2021-01-06 13:35:13,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:35:13,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339310633] [2021-01-06 13:35:13,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:35:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:35:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 688 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-01-06 13:35:14,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339310633] [2021-01-06 13:35:14,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:35:14,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:35:14,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572129316] [2021-01-06 13:35:14,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:35:14,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:35:14,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:35:14,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:35:14,144 INFO L87 Difference]: Start difference. First operand 11084 states and 12092 transitions. Second operand 3 states. [2021-01-06 13:35:15,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:35:15,582 INFO L93 Difference]: Finished difference Result 25117 states and 27348 transitions. [2021-01-06 13:35:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:35:15,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 583 [2021-01-06 13:35:15,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:35:15,601 INFO L225 Difference]: With dead ends: 25117 [2021-01-06 13:35:15,601 INFO L226 Difference]: Without dead ends: 13665 [2021-01-06 13:35:15,612 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 [2021-01-06 13:35:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13665 states. [2021-01-06 13:35:15,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13665 to 10900. [2021-01-06 13:35:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10900 states. [2021-01-06 13:35:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10900 states to 10900 states and 11861 transitions. [2021-01-06 13:35:15,777 INFO L78 Accepts]: Start accepts. Automaton has 10900 states and 11861 transitions. Word has length 583 [2021-01-06 13:35:15,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:35:15,778 INFO L481 AbstractCegarLoop]: Abstraction has 10900 states and 11861 transitions. [2021-01-06 13:35:15,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:35:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 10900 states and 11861 transitions. [2021-01-06 13:35:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2021-01-06 13:35:15,791 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:35:15,792 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 13:35:15,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 13:35:15,792 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:35:15,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:35:15,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1979598294, now seen corresponding path program 1 times [2021-01-06 13:35:15,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:35:15,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995136956] [2021-01-06 13:35:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:35:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:35:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 448 proven. 371 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-01-06 13:35:17,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995136956] [2021-01-06 13:35:17,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102074170] [2021-01-06 13:35:17,283 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 [2021-01-06 13:35:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:35:17,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 13:35:17,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:35:17,874 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 13:35:17,912 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:18,075 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:18,620 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:19,345 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:20,184 INFO L757 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:21,560 INFO L757 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:23,201 INFO L757 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:25,312 INFO L757 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:28,049 INFO L757 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:31,651 INFO L757 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:35,810 INFO L757 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:40,801 INFO L757 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:46,737 INFO L757 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:35:53,720 INFO L757 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:36:01,840 INFO L757 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:36:11,200 INFO L757 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:36:21,978 INFO L757 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:36:34,460 INFO L757 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:36:48,093 INFO L757 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:37:03,847 INFO L757 QuantifierPusher]: Run 200 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:37:21,129 INFO L757 QuantifierPusher]: Run 210 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:37:39,989 INFO L757 QuantifierPusher]: Run 220 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:38:01,151 INFO L757 QuantifierPusher]: Run 230 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug.