/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/Problem10_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 13:30:38,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 13:30:38,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 13:30:38,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 13:30:38,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 13:30:38,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 13:30:38,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 13:30:38,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 13:30:38,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 13:30:38,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 13:30:38,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 13:30:38,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 13:30:38,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 13:30:38,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 13:30:38,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 13:30:38,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 13:30:38,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 13:30:38,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 13:30:38,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 13:30:38,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 13:30:38,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 13:30:38,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 13:30:38,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 13:30:38,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 13:30:38,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 13:30:38,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 13:30:38,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 13:30:38,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 13:30:38,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 13:30:38,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 13:30:38,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 13:30:38,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 13:30:38,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 13:30:38,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 13:30:38,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 13:30:38,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 13:30:38,553 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 13:30:38,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 13:30:38,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 13:30:38,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 13:30:38,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 13:30:38,607 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 13:30:38,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 13:30:38,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 13:30:38,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 13:30:38,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 13:30:38,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 13:30:38,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 13:30:38,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 13:30:38,610 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 13:30:38,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 13:30:38,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 13:30:38,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 13:30:38,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 13:30:38,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 13:30:38,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 13:30:38,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 13:30:38,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 13:30:38,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 13:30:38,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 13:30:38,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 13:30:38,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 13:30:38,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 13:30:39,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 13:30:39,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 13:30:39,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 13:30:39,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 13:30:39,088 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 13:30:39,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2021-01-06 13:30:39,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e7de49fb0/cf5d54a58beb46d0871ba994ef582628/FLAGfd39489a3 [2021-01-06 13:30:40,027 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 13:30:40,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2021-01-06 13:30:40,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e7de49fb0/cf5d54a58beb46d0871ba994ef582628/FLAGfd39489a3 [2021-01-06 13:30:40,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e7de49fb0/cf5d54a58beb46d0871ba994ef582628 [2021-01-06 13:30:40,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 13:30:40,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 13:30:40,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 13:30:40,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 13:30:40,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 13:30:40,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:30:40" (1/1) ... [2021-01-06 13:30:40,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5d93b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:40, skipping insertion in model container [2021-01-06 13:30:40,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:30:40" (1/1) ... [2021-01-06 13:30:40,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 13:30:40,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 13:30:40,616 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/Problem10_label09.c[6451,6464] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 13:30:40,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:30:40,794 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 13:30:40,825 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/Problem10_label09.c[6451,6464] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 13:30:40,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:30:41,018 INFO L208 MainTranslator]: Completed translation [2021-01-06 13:30:41,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41 WrapperNode [2021-01-06 13:30:41,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 13:30:41,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 13:30:41,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 13:30:41,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 13:30:41,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 13:30:41,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 13:30:41,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 13:30:41,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 13:30:41,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (1/1) ... [2021-01-06 13:30:41,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 13:30:41,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 13:30:41,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 13:30:41,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 13:30:41,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (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 13:30:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 13:30:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 13:30:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 13:30:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 13:30:42,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 13:30:42,789 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 13:30:42,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:30:42 BoogieIcfgContainer [2021-01-06 13:30:42,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 13:30:42,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 13:30:42,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 13:30:42,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 13:30:42,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 01:30:40" (1/3) ... [2021-01-06 13:30:42,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cc4c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:30:42, skipping insertion in model container [2021-01-06 13:30:42,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:30:41" (2/3) ... [2021-01-06 13:30:42,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cc4c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:30:42, skipping insertion in model container [2021-01-06 13:30:42,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:30:42" (3/3) ... [2021-01-06 13:30:42,805 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2021-01-06 13:30:42,813 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 13:30:42,818 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 13:30:42,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 13:30:42,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 13:30:42,875 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 13:30:42,875 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 13:30:42,875 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 13:30:42,875 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 13:30:42,875 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 13:30:42,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 13:30:42,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 13:30:42,897 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-01-06 13:30:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 13:30:42,906 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:42,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:30:42,907 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:42,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:42,914 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2021-01-06 13:30:42,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:42,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873389591] [2021-01-06 13:30:42,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:43,276 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 13:30:43,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873389591] [2021-01-06 13:30:43,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:43,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:30:43,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66904165] [2021-01-06 13:30:43,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:43,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:43,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:43,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:30:43,305 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-01-06 13:30:44,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:44,258 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2021-01-06 13:30:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:44,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 13:30:44,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:44,277 INFO L225 Difference]: With dead ends: 567 [2021-01-06 13:30:44,277 INFO L226 Difference]: Without dead ends: 282 [2021-01-06 13:30:44,282 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 13:30:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-01-06 13:30:44,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-01-06 13:30:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-01-06 13:30:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2021-01-06 13:30:44,347 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 56 [2021-01-06 13:30:44,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:44,348 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2021-01-06 13:30:44,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2021-01-06 13:30:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 13:30:44,360 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:44,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:30:44,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 13:30:44,361 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:44,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:44,363 INFO L82 PathProgramCache]: Analyzing trace with hash -374097100, now seen corresponding path program 1 times [2021-01-06 13:30:44,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:44,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724792619] [2021-01-06 13:30:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:30:44,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724792619] [2021-01-06 13:30:44,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:44,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:30:44,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101797482] [2021-01-06 13:30:44,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:44,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:44,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:44,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:30:44,598 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2021-01-06 13:30:45,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:45,184 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2021-01-06 13:30:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:45,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2021-01-06 13:30:45,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:45,193 INFO L225 Difference]: With dead ends: 840 [2021-01-06 13:30:45,194 INFO L226 Difference]: Without dead ends: 560 [2021-01-06 13:30:45,198 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 13:30:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-01-06 13:30:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-01-06 13:30:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-01-06 13:30:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2021-01-06 13:30:45,266 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 126 [2021-01-06 13:30:45,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:45,267 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2021-01-06 13:30:45,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2021-01-06 13:30:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-01-06 13:30:45,274 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:45,274 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 13:30:45,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 13:30:45,275 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:45,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:45,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1619344244, now seen corresponding path program 1 times [2021-01-06 13:30:45,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:45,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844535397] [2021-01-06 13:30:45,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 35 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:30:45,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844535397] [2021-01-06 13:30:45,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736454784] [2021-01-06 13:30:45,649 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 13:30:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:45,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 13:30:45,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:30:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:30:46,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:30:46,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 13:30:46,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186202101] [2021-01-06 13:30:46,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:46,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:46,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:46,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:30:46,028 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2021-01-06 13:30:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:46,670 INFO L93 Difference]: Finished difference Result 1396 states and 1867 transitions. [2021-01-06 13:30:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:46,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2021-01-06 13:30:46,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:46,682 INFO L225 Difference]: With dead ends: 1396 [2021-01-06 13:30:46,683 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 13:30:46,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:30:46,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 13:30:46,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-01-06 13:30:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2021-01-06 13:30:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1083 transitions. [2021-01-06 13:30:46,717 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1083 transitions. Word has length 131 [2021-01-06 13:30:46,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:46,719 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1083 transitions. [2021-01-06 13:30:46,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1083 transitions. [2021-01-06 13:30:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-01-06 13:30:46,729 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:46,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:46,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-06 13:30:46,946 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:46,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:46,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1769594780, now seen corresponding path program 1 times [2021-01-06 13:30:46,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:46,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203992099] [2021-01-06 13:30:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:30:47,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203992099] [2021-01-06 13:30:47,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:47,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:30:47,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737237661] [2021-01-06 13:30:47,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:47,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:47,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:47,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:30:47,069 INFO L87 Difference]: Start difference. First operand 838 states and 1083 transitions. Second operand 3 states. [2021-01-06 13:30:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:47,723 INFO L93 Difference]: Finished difference Result 2230 states and 2835 transitions. [2021-01-06 13:30:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:47,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-01-06 13:30:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:47,735 INFO L225 Difference]: With dead ends: 2230 [2021-01-06 13:30:47,735 INFO L226 Difference]: Without dead ends: 1394 [2021-01-06 13:30:47,741 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 13:30:47,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-01-06 13:30:47,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2021-01-06 13:30:47,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-01-06 13:30:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1505 transitions. [2021-01-06 13:30:47,815 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1505 transitions. Word has length 147 [2021-01-06 13:30:47,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:47,818 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1505 transitions. [2021-01-06 13:30:47,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1505 transitions. [2021-01-06 13:30:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-01-06 13:30:47,826 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:47,826 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:47,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 13:30:47,827 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:47,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:47,831 INFO L82 PathProgramCache]: Analyzing trace with hash -483028003, now seen corresponding path program 1 times [2021-01-06 13:30:47,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:47,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153009824] [2021-01-06 13:30:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:30:48,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153009824] [2021-01-06 13:30:48,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:48,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:30:48,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122926876] [2021-01-06 13:30:48,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:48,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:48,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:48,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:30:48,052 INFO L87 Difference]: Start difference. First operand 1255 states and 1505 transitions. Second operand 3 states. [2021-01-06 13:30:48,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:48,737 INFO L93 Difference]: Finished difference Result 2647 states and 3157 transitions. [2021-01-06 13:30:48,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:48,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2021-01-06 13:30:48,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:48,745 INFO L225 Difference]: With dead ends: 2647 [2021-01-06 13:30:48,745 INFO L226 Difference]: Without dead ends: 1394 [2021-01-06 13:30:48,747 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 13:30:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-01-06 13:30:48,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2021-01-06 13:30:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2021-01-06 13:30:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1649 transitions. [2021-01-06 13:30:48,777 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1649 transitions. Word has length 148 [2021-01-06 13:30:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:48,778 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1649 transitions. [2021-01-06 13:30:48,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1649 transitions. [2021-01-06 13:30:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-01-06 13:30:48,782 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:48,782 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 13:30:48,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 13:30:48,783 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:48,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:48,783 INFO L82 PathProgramCache]: Analyzing trace with hash 136975465, now seen corresponding path program 1 times [2021-01-06 13:30:48,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:48,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204014385] [2021-01-06 13:30:48,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-01-06 13:30:48,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204014385] [2021-01-06 13:30:48,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:48,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:30:48,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274175039] [2021-01-06 13:30:48,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:48,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:48,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:48,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:30:48,960 INFO L87 Difference]: Start difference. First operand 1394 states and 1649 transitions. Second operand 3 states. [2021-01-06 13:30:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:49,818 INFO L93 Difference]: Finished difference Result 2925 states and 3521 transitions. [2021-01-06 13:30:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:49,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2021-01-06 13:30:49,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:49,830 INFO L225 Difference]: With dead ends: 2925 [2021-01-06 13:30:49,830 INFO L226 Difference]: Without dead ends: 1672 [2021-01-06 13:30:49,833 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 13:30:49,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-01-06 13:30:49,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2021-01-06 13:30:49,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2021-01-06 13:30:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1952 transitions. [2021-01-06 13:30:49,913 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1952 transitions. Word has length 214 [2021-01-06 13:30:49,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:49,918 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1952 transitions. [2021-01-06 13:30:49,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1952 transitions. [2021-01-06 13:30:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-01-06 13:30:49,924 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:49,925 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 13:30:49,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 13:30:49,927 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:49,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:49,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1407205677, now seen corresponding path program 1 times [2021-01-06 13:30:49,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:49,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228897733] [2021-01-06 13:30:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-01-06 13:30:50,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228897733] [2021-01-06 13:30:50,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122151229] [2021-01-06 13:30:50,282 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 13:30:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:50,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 13:30:50,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:30:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-01-06 13:30:50,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:30:50,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-01-06 13:30:50,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247336870] [2021-01-06 13:30:50,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:50,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:50,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:50,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:30:50,775 INFO L87 Difference]: Start difference. First operand 1672 states and 1952 transitions. Second operand 3 states. [2021-01-06 13:30:51,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:51,393 INFO L93 Difference]: Finished difference Result 2508 states and 2933 transitions. [2021-01-06 13:30:51,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:51,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2021-01-06 13:30:51,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:51,406 INFO L225 Difference]: With dead ends: 2508 [2021-01-06 13:30:51,406 INFO L226 Difference]: Without dead ends: 2506 [2021-01-06 13:30:51,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:30:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2021-01-06 13:30:51,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1811. [2021-01-06 13:30:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2021-01-06 13:30:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2141 transitions. [2021-01-06 13:30:51,462 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2141 transitions. Word has length 215 [2021-01-06 13:30:51,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:51,462 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2141 transitions. [2021-01-06 13:30:51,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2141 transitions. [2021-01-06 13:30:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-01-06 13:30:51,466 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:51,467 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 13:30:51,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 13:30:51,682 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:51,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:51,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1930493948, now seen corresponding path program 1 times [2021-01-06 13:30:51,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:51,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147653248] [2021-01-06 13:30:51,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:30:51,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147653248] [2021-01-06 13:30:51,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:51,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:30:51,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518174913] [2021-01-06 13:30:51,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:51,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:51,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:51,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:30:51,869 INFO L87 Difference]: Start difference. First operand 1811 states and 2141 transitions. Second operand 3 states. [2021-01-06 13:30:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:52,611 INFO L93 Difference]: Finished difference Result 3898 states and 4694 transitions. [2021-01-06 13:30:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:52,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2021-01-06 13:30:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:52,623 INFO L225 Difference]: With dead ends: 3898 [2021-01-06 13:30:52,624 INFO L226 Difference]: Without dead ends: 2228 [2021-01-06 13:30:52,627 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 13:30:52,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2021-01-06 13:30:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2089. [2021-01-06 13:30:52,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2021-01-06 13:30:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2440 transitions. [2021-01-06 13:30:52,675 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2440 transitions. Word has length 216 [2021-01-06 13:30:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:52,675 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2440 transitions. [2021-01-06 13:30:52,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2440 transitions. [2021-01-06 13:30:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-01-06 13:30:52,681 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:52,681 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:30:52,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 13:30:52,682 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:52,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:52,682 INFO L82 PathProgramCache]: Analyzing trace with hash 337942394, now seen corresponding path program 1 times [2021-01-06 13:30:52,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:52,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534359175] [2021-01-06 13:30:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-01-06 13:30:53,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534359175] [2021-01-06 13:30:53,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:53,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 13:30:53,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602965252] [2021-01-06 13:30:53,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 13:30:53,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:53,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 13:30:53,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:30:53,147 INFO L87 Difference]: Start difference. First operand 2089 states and 2440 transitions. Second operand 7 states. [2021-01-06 13:30:53,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:53,970 INFO L93 Difference]: Finished difference Result 4092 states and 4789 transitions. [2021-01-06 13:30:53,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 13:30:53,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 268 [2021-01-06 13:30:53,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:53,981 INFO L225 Difference]: With dead ends: 4092 [2021-01-06 13:30:53,982 INFO L226 Difference]: Without dead ends: 2089 [2021-01-06 13:30:53,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:30:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-01-06 13:30:54,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-01-06 13:30:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2021-01-06 13:30:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2429 transitions. [2021-01-06 13:30:54,040 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2429 transitions. Word has length 268 [2021-01-06 13:30:54,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:54,040 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2429 transitions. [2021-01-06 13:30:54,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 13:30:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2429 transitions. [2021-01-06 13:30:54,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-01-06 13:30:54,046 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:54,047 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 13:30:54,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 13:30:54,047 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:54,048 INFO L82 PathProgramCache]: Analyzing trace with hash -638788716, now seen corresponding path program 1 times [2021-01-06 13:30:54,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:54,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685330717] [2021-01-06 13:30:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:30:54,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685330717] [2021-01-06 13:30:54,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:54,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 13:30:54,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696442386] [2021-01-06 13:30:54,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:30:54,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:54,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:30:54,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:30:54,328 INFO L87 Difference]: Start difference. First operand 2089 states and 2429 transitions. Second operand 4 states. [2021-01-06 13:30:55,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:55,270 INFO L93 Difference]: Finished difference Result 4315 states and 5054 transitions. [2021-01-06 13:30:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 13:30:55,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 304 [2021-01-06 13:30:55,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:55,281 INFO L225 Difference]: With dead ends: 4315 [2021-01-06 13:30:55,282 INFO L226 Difference]: Without dead ends: 2367 [2021-01-06 13:30:55,285 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 13:30:55,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2021-01-06 13:30:55,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2021-01-06 13:30:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2021-01-06 13:30:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2696 transitions. [2021-01-06 13:30:55,337 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2696 transitions. Word has length 304 [2021-01-06 13:30:55,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:55,338 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2696 transitions. [2021-01-06 13:30:55,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:30:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2696 transitions. [2021-01-06 13:30:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-01-06 13:30:55,345 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:55,345 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:30:55,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 13:30:55,346 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:55,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:55,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1732141776, now seen corresponding path program 1 times [2021-01-06 13:30:55,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:55,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528091437] [2021-01-06 13:30:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 59 proven. 102 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-01-06 13:30:55,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528091437] [2021-01-06 13:30:55,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118279377] [2021-01-06 13:30:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 13:30:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:55,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 13:30:55,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:30:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-01-06 13:30:56,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:30:56,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 13:30:56,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890201202] [2021-01-06 13:30:56,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:56,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:56,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:56,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:30:56,340 INFO L87 Difference]: Start difference. First operand 2367 states and 2696 transitions. Second operand 3 states. [2021-01-06 13:30:56,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:56,987 INFO L93 Difference]: Finished difference Result 3203 states and 3591 transitions. [2021-01-06 13:30:56,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:56,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2021-01-06 13:30:56,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:57,003 INFO L225 Difference]: With dead ends: 3203 [2021-01-06 13:30:57,003 INFO L226 Difference]: Without dead ends: 3201 [2021-01-06 13:30:57,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:30:57,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2021-01-06 13:30:57,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 2228. [2021-01-06 13:30:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2021-01-06 13:30:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2538 transitions. [2021-01-06 13:30:57,056 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2538 transitions. Word has length 317 [2021-01-06 13:30:57,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:57,057 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2538 transitions. [2021-01-06 13:30:57,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2538 transitions. [2021-01-06 13:30:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-01-06 13:30:57,065 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:57,065 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:57,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 13:30:57,281 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:57,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:57,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1008973419, now seen corresponding path program 1 times [2021-01-06 13:30:57,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:57,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043969977] [2021-01-06 13:30:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-01-06 13:30:57,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043969977] [2021-01-06 13:30:57,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:30:57,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:30:57,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510562848] [2021-01-06 13:30:57,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:57,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:57,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:57,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:30:57,530 INFO L87 Difference]: Start difference. First operand 2228 states and 2538 transitions. Second operand 3 states. [2021-01-06 13:30:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:30:58,197 INFO L93 Difference]: Finished difference Result 2508 states and 2836 transitions. [2021-01-06 13:30:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:30:58,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2021-01-06 13:30:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:30:58,210 INFO L225 Difference]: With dead ends: 2508 [2021-01-06 13:30:58,211 INFO L226 Difference]: Without dead ends: 2506 [2021-01-06 13:30:58,212 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 13:30:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2021-01-06 13:30:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2089. [2021-01-06 13:30:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2021-01-06 13:30:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2388 transitions. [2021-01-06 13:30:58,261 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2388 transitions. Word has length 353 [2021-01-06 13:30:58,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:30:58,262 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2388 transitions. [2021-01-06 13:30:58,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:30:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2388 transitions. [2021-01-06 13:30:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-01-06 13:30:58,272 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:30:58,272 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 13:30:58,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 13:30:58,273 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:30:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:30:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1921829909, now seen corresponding path program 1 times [2021-01-06 13:30:58,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:30:58,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326946740] [2021-01-06 13:30:58,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:30:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 158 proven. 3 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-01-06 13:30:58,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326946740] [2021-01-06 13:30:58,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241449159] [2021-01-06 13:30:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 13:30:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:30:59,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 13:30:59,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:30:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-01-06 13:30:59,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:30:59,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 13:30:59,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296877205] [2021-01-06 13:30:59,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:30:59,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:30:59,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:30:59,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:30:59,400 INFO L87 Difference]: Start difference. First operand 2089 states and 2388 transitions. Second operand 3 states. [2021-01-06 13:31:00,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:00,084 INFO L93 Difference]: Finished difference Result 4035 states and 4630 transitions. [2021-01-06 13:31:00,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:00,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 374 [2021-01-06 13:31:00,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:00,086 INFO L225 Difference]: With dead ends: 4035 [2021-01-06 13:31:00,086 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 13:31:00,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:31:00,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 13:31:00,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 13:31:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 13:31:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 13:31:00,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2021-01-06 13:31:00,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:00,092 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 13:31:00,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 13:31:00,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 13:31:00,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 13:31:00,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 13:31:00,572 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2021-01-06 13:31:00,733 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,738 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 13:31:00,739 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 13:31:00,740 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-01-06 13:31:00,740 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-01-06 13:31:00,740 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-01-06 13:31:00,740 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-01-06 13:31:00,740 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-01-06 13:31:00,740 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-01-06 13:31:00,741 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-01-06 13:31:00,742 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,744 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,744 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,744 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 13:31:00,745 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,746 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 13:31:00,747 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-01-06 13:31:00,748 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,749 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 13:31:00,750 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 13:31:00,751 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 9)) (.cse1 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2 .cse3) (and (<= 3 ~a10~0) .cse0 .cse2 .cse3) (and (= ~a10~0 1) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse2))) [2021-01-06 13:31:00,751 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-01-06 13:31:00,751 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-01-06 13:31:00,751 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-01-06 13:31:00,751 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-01-06 13:31:00,751 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,751 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,751 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 13:31:00,752 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 13:31:00,753 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-01-06 13:31:00,754 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-01-06 13:31:00,755 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-01-06 13:31:00,756 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 9)) (.cse1 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2 .cse3) (and (<= 3 ~a10~0) .cse0 .cse2 .cse3) (and (= ~a10~0 1) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse2))) [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-01-06 13:31:00,757 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 13:31:00,758 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:00,759 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 13:31:00,760 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 13:31:00,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 01:31:00 BoogieIcfgContainer [2021-01-06 13:31:00,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 13:31:00,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 13:31:00,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 13:31:00,783 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 13:31:00,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:30:42" (3/4) ... [2021-01-06 13:31:00,788 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 13:31:00,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 13:31:00,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 13:31:00,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:31:00,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:31:00,982 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label09.c-witness.graphml [2021-01-06 13:31:00,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 13:31:00,983 INFO L168 Benchmark]: Toolchain (without parser) took 20722.81 ms. Allocated memory was 154.1 MB in the beginning and 466.6 MB in the end (delta: 312.5 MB). Free memory was 128.8 MB in the beginning and 392.7 MB in the end (delta: -263.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:00,984 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 13:31:00,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.49 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 132.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:00,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.05 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 124.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:00,986 INFO L168 Benchmark]: Boogie Preprocessor took 128.51 ms. Allocated memory is still 154.1 MB. Free memory was 124.5 MB in the beginning and 119.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:00,986 INFO L168 Benchmark]: RCFGBuilder took 1533.47 ms. Allocated memory is still 154.1 MB. Free memory was 119.3 MB in the beginning and 97.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:00,987 INFO L168 Benchmark]: TraceAbstraction took 17987.44 ms. Allocated memory was 154.1 MB in the beginning and 466.6 MB in the end (delta: 312.5 MB). Free memory was 96.8 MB in the beginning and 407.4 MB in the end (delta: -310.6 MB). Peak memory consumption was 246.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:00,987 INFO L168 Benchmark]: Witness Printer took 199.08 ms. Allocated memory is still 466.6 MB. Free memory was 407.4 MB in the beginning and 392.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:00,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 755.49 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 132.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 108.05 ms. Allocated memory is still 154.1 MB. Free memory was 132.4 MB in the beginning and 124.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 128.51 ms. Allocated memory is still 154.1 MB. Free memory was 124.5 MB in the beginning and 119.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1533.47 ms. Allocated memory is still 154.1 MB. Free memory was 119.3 MB in the beginning and 97.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17987.44 ms. Allocated memory was 154.1 MB in the beginning and 466.6 MB in the end (delta: 312.5 MB). Free memory was 96.8 MB in the beginning and 407.4 MB in the end (delta: -310.6 MB). Peak memory consumption was 246.7 MB. Max. memory is 8.0 GB. * Witness Printer took 199.08 ms. Allocated memory is still 466.6 MB. Free memory was 407.4 MB in the beginning and 392.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 182]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9) || (((3 <= a10 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9) || (((3 <= a10 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.4s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1127 SDtfs, 1458 SDslu, 71 SDs, 0 SdLazy, 5238 SolverSat, 751 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1078 GetRequests, 1046 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2367occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 2363 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 107 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1258 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 572 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3906 NumberOfCodeBlocks, 3906 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3889 ConstructedInterpolants, 0 QuantifiedInterpolants, 3936269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1535 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 3465/3676 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...