/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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 13:32:13,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 13:32:13,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 13:32:13,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 13:32:13,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 13:32:13,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 13:32:13,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 13:32:13,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 13:32:13,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 13:32:13,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 13:32:13,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 13:32:13,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 13:32:13,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 13:32:13,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 13:32:13,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 13:32:13,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 13:32:13,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 13:32:13,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 13:32:13,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 13:32:13,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 13:32:13,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 13:32:13,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 13:32:13,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 13:32:13,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 13:32:13,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 13:32:13,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 13:32:13,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 13:32:13,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 13:32:13,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 13:32:13,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 13:32:13,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 13:32:13,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 13:32:13,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 13:32:13,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 13:32:13,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 13:32:13,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 13:32:13,552 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 13:32:13,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 13:32:13,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 13:32:13,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 13:32:13,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 13:32:13,603 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 13:32:13,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 13:32:13,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 13:32:13,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 13:32:13,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 13:32:13,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 13:32:13,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 13:32:13,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 13:32:13,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 13:32:13,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 13:32:13,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 13:32:13,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 13:32:13,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 13:32:13,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 13:32:13,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 13:32:13,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 13:32:13,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 13:32:13,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 13:32:13,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 13:32:13,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 13:32:13,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 13:32:13,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 13:32:14,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 13:32:14,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 13:32:14,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 13:32:14,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 13:32:14,099 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 13:32:14,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2021-01-06 13:32:14,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0366970c/bd4a7dad0ee948c7ad3298564f562da2/FLAGd253321ca [2021-01-06 13:32:14,850 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 13:32:14,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label52.c [2021-01-06 13:32:14,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0366970c/bd4a7dad0ee948c7ad3298564f562da2/FLAGd253321ca [2021-01-06 13:32:15,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0366970c/bd4a7dad0ee948c7ad3298564f562da2 [2021-01-06 13:32:15,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 13:32:15,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 13:32:15,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 13:32:15,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 13:32:15,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 13:32:15,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:15,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699be53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15, skipping insertion in model container [2021-01-06 13:32:15,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:15,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 13:32:15,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 13:32:15,479 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_label52.c[4790,4803] 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 13:32:15,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:32:15,667 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 13:32:15,719 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_label52.c[4790,4803] 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 13:32:15,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:32:15,891 INFO L208 MainTranslator]: Completed translation [2021-01-06 13:32:15,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15 WrapperNode [2021-01-06 13:32:15,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 13:32:15,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 13:32:15,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 13:32:15,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 13:32:15,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:15,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 13:32:16,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 13:32:16,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 13:32:16,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 13:32:16,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (1/1) ... [2021-01-06 13:32:16,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 13:32:16,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 13:32:16,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 13:32:16,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 13:32:16,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (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 13:32:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 13:32:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 13:32:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 13:32:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 13:32:17,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 13:32:17,619 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 13:32:17,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:32:17 BoogieIcfgContainer [2021-01-06 13:32:17,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 13:32:17,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 13:32:17,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 13:32:17,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 13:32:17,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 01:32:15" (1/3) ... [2021-01-06 13:32:17,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27db181f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:32:17, skipping insertion in model container [2021-01-06 13:32:17,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:15" (2/3) ... [2021-01-06 13:32:17,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27db181f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:32:17, skipping insertion in model container [2021-01-06 13:32:17,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:32:17" (3/3) ... [2021-01-06 13:32:17,637 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2021-01-06 13:32:17,644 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 13:32:17,650 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 13:32:17,672 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 13:32:17,717 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 13:32:17,718 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 13:32:17,718 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 13:32:17,718 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 13:32:17,718 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 13:32:17,718 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 13:32:17,719 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 13:32:17,719 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 13:32:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-01-06 13:32:17,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 13:32:17,753 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:17,754 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] [2021-01-06 13:32:17,755 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:17,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2021-01-06 13:32:17,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:17,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201968505] [2021-01-06 13:32:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:18,026 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 13:32:18,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201968505] [2021-01-06 13:32:18,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:18,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:32:18,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458308899] [2021-01-06 13:32:18,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:18,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:18,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:18,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:18,050 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-01-06 13:32:18,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:18,945 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-01-06 13:32:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:18,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-01-06 13:32:18,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:18,961 INFO L225 Difference]: With dead ends: 552 [2021-01-06 13:32:18,962 INFO L226 Difference]: Without dead ends: 282 [2021-01-06 13:32:18,966 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 13:32:18,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-01-06 13:32:19,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-01-06 13:32:19,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-01-06 13:32:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-01-06 13:32:19,036 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 41 [2021-01-06 13:32:19,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:19,036 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-01-06 13:32:19,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:19,037 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-01-06 13:32:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 13:32:19,041 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:19,042 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:19,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 13:32:19,042 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:19,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1413364113, now seen corresponding path program 1 times [2021-01-06 13:32:19,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:19,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242615966] [2021-01-06 13:32:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:19,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242615966] [2021-01-06 13:32:19,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:19,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:32:19,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699742389] [2021-01-06 13:32:19,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:19,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:19,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:19,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:19,281 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2021-01-06 13:32:19,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:19,835 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2021-01-06 13:32:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:19,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2021-01-06 13:32:19,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:19,840 INFO L225 Difference]: With dead ends: 701 [2021-01-06 13:32:19,840 INFO L226 Difference]: Without dead ends: 421 [2021-01-06 13:32:19,842 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 13:32:19,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-01-06 13:32:19,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-01-06 13:32:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 13:32:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2021-01-06 13:32:19,867 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 110 [2021-01-06 13:32:19,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:19,867 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2021-01-06 13:32:19,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2021-01-06 13:32:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-01-06 13:32:19,870 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:19,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:19,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 13:32:19,871 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:19,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:19,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1133758336, now seen corresponding path program 1 times [2021-01-06 13:32:19,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:19,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070012032] [2021-01-06 13:32:19,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:20,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070012032] [2021-01-06 13:32:20,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:20,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:20,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660190311] [2021-01-06 13:32:20,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:20,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:20,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:20,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:20,071 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 3 states. [2021-01-06 13:32:20,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:20,735 INFO L93 Difference]: Finished difference Result 1118 states and 1639 transitions. [2021-01-06 13:32:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:20,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2021-01-06 13:32:20,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:20,741 INFO L225 Difference]: With dead ends: 1118 [2021-01-06 13:32:20,741 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 13:32:20,742 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 13:32:20,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 13:32:20,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2021-01-06 13:32:20,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2021-01-06 13:32:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 929 transitions. [2021-01-06 13:32:20,766 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 929 transitions. Word has length 116 [2021-01-06 13:32:20,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:20,767 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 929 transitions. [2021-01-06 13:32:20,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 929 transitions. [2021-01-06 13:32:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-01-06 13:32:20,770 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:20,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:20,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 13:32:20,771 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:20,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:20,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1978641330, now seen corresponding path program 1 times [2021-01-06 13:32:20,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:20,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444707144] [2021-01-06 13:32:20,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:20,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444707144] [2021-01-06 13:32:20,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:20,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:20,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929868047] [2021-01-06 13:32:20,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:32:20,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:20,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:32:20,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:32:20,984 INFO L87 Difference]: Start difference. First operand 699 states and 929 transitions. Second operand 4 states. [2021-01-06 13:32:21,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:21,657 INFO L93 Difference]: Finished difference Result 1129 states and 1544 transitions. [2021-01-06 13:32:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 13:32:21,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2021-01-06 13:32:21,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:21,662 INFO L225 Difference]: With dead ends: 1129 [2021-01-06 13:32:21,662 INFO L226 Difference]: Without dead ends: 571 [2021-01-06 13:32:21,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:32:21,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-01-06 13:32:21,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2021-01-06 13:32:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-01-06 13:32:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 750 transitions. [2021-01-06 13:32:21,677 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 750 transitions. Word has length 135 [2021-01-06 13:32:21,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:21,677 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 750 transitions. [2021-01-06 13:32:21,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:32:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 750 transitions. [2021-01-06 13:32:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-01-06 13:32:21,682 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:21,682 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, 2, 2, 2, 2, 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] [2021-01-06 13:32:21,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 13:32:21,682 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:21,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:21,683 INFO L82 PathProgramCache]: Analyzing trace with hash -373579010, now seen corresponding path program 1 times [2021-01-06 13:32:21,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:21,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641233302] [2021-01-06 13:32:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-01-06 13:32:21,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641233302] [2021-01-06 13:32:21,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:21,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:32:21,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699899469] [2021-01-06 13:32:21,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:21,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:21,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:21,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:21,850 INFO L87 Difference]: Start difference. First operand 560 states and 750 transitions. Second operand 3 states. [2021-01-06 13:32:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:22,459 INFO L93 Difference]: Finished difference Result 1257 states and 1742 transitions. [2021-01-06 13:32:22,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:22,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2021-01-06 13:32:22,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:22,465 INFO L225 Difference]: With dead ends: 1257 [2021-01-06 13:32:22,466 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 13:32:22,467 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 13:32:22,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 13:32:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-01-06 13:32:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2021-01-06 13:32:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1068 transitions. [2021-01-06 13:32:22,488 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1068 transitions. Word has length 176 [2021-01-06 13:32:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:22,488 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1068 transitions. [2021-01-06 13:32:22,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1068 transitions. [2021-01-06 13:32:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-01-06 13:32:22,493 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:22,494 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, 2, 2, 2, 2, 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] [2021-01-06 13:32:22,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 13:32:22,494 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:22,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1636398545, now seen corresponding path program 1 times [2021-01-06 13:32:22,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:22,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391356742] [2021-01-06 13:32:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:22,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391356742] [2021-01-06 13:32:22,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:22,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:22,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295949155] [2021-01-06 13:32:22,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:22,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:22,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:22,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:22,699 INFO L87 Difference]: Start difference. First operand 838 states and 1068 transitions. Second operand 3 states. [2021-01-06 13:32:23,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:23,330 INFO L93 Difference]: Finished difference Result 1813 states and 2369 transitions. [2021-01-06 13:32:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:23,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2021-01-06 13:32:23,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:23,337 INFO L225 Difference]: With dead ends: 1813 [2021-01-06 13:32:23,337 INFO L226 Difference]: Without dead ends: 1116 [2021-01-06 13:32:23,339 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 13:32:23,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-01-06 13:32:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-01-06 13:32:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-01-06 13:32:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-01-06 13:32:23,364 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 193 [2021-01-06 13:32:23,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:23,364 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-01-06 13:32:23,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-01-06 13:32:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-01-06 13:32:23,368 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:23,369 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:23,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 13:32:23,369 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:23,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:23,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1212756280, now seen corresponding path program 1 times [2021-01-06 13:32:23,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:23,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771952088] [2021-01-06 13:32:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-01-06 13:32:23,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771952088] [2021-01-06 13:32:23,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:23,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:23,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867410091] [2021-01-06 13:32:23,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:23,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:23,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:23,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:23,572 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand 3 states. [2021-01-06 13:32:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:24,137 INFO L93 Difference]: Finished difference Result 2091 states and 2667 transitions. [2021-01-06 13:32:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:24,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2021-01-06 13:32:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:24,143 INFO L225 Difference]: With dead ends: 2091 [2021-01-06 13:32:24,144 INFO L226 Difference]: Without dead ends: 1255 [2021-01-06 13:32:24,145 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 13:32:24,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-01-06 13:32:24,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2021-01-06 13:32:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-01-06 13:32:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1311 transitions. [2021-01-06 13:32:24,168 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1311 transitions. Word has length 215 [2021-01-06 13:32:24,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:24,169 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1311 transitions. [2021-01-06 13:32:24,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1311 transitions. [2021-01-06 13:32:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-01-06 13:32:24,174 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:24,174 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:24,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 13:32:24,174 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:24,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:24,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1591103532, now seen corresponding path program 1 times [2021-01-06 13:32:24,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:24,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302520310] [2021-01-06 13:32:24,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:24,512 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:24,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302520310] [2021-01-06 13:32:24,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:24,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 13:32:24,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933808659] [2021-01-06 13:32:24,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 13:32:24,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:24,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 13:32:24,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:32:24,516 INFO L87 Difference]: Start difference. First operand 1116 states and 1311 transitions. Second operand 7 states. [2021-01-06 13:32:25,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:25,116 INFO L93 Difference]: Finished difference Result 2146 states and 2531 transitions. [2021-01-06 13:32:25,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 13:32:25,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2021-01-06 13:32:25,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:25,122 INFO L225 Difference]: With dead ends: 2146 [2021-01-06 13:32:25,122 INFO L226 Difference]: Without dead ends: 1116 [2021-01-06 13:32:25,124 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 13:32:25,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-01-06 13:32:25,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-01-06 13:32:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-01-06 13:32:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2021-01-06 13:32:25,153 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 253 [2021-01-06 13:32:25,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:25,153 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2021-01-06 13:32:25,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 13:32:25,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2021-01-06 13:32:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-01-06 13:32:25,159 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:25,160 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 13:32:25,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 13:32:25,160 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:25,161 INFO L82 PathProgramCache]: Analyzing trace with hash 839206778, now seen corresponding path program 1 times [2021-01-06 13:32:25,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:25,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292401061] [2021-01-06 13:32:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 41 proven. 36 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-01-06 13:32:25,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292401061] [2021-01-06 13:32:25,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816578610] [2021-01-06 13:32:25,639 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 13:32:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:25,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 13:32:25,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:32:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-01-06 13:32:26,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:32:26,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 13:32:26,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354511997] [2021-01-06 13:32:26,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:26,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:26,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:26,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:32:26,240 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand 3 states. [2021-01-06 13:32:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:26,859 INFO L93 Difference]: Finished difference Result 2369 states and 2844 transitions. [2021-01-06 13:32:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:26,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2021-01-06 13:32:26,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:26,866 INFO L225 Difference]: With dead ends: 2369 [2021-01-06 13:32:26,867 INFO L226 Difference]: Without dead ends: 1394 [2021-01-06 13:32:26,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 288 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 13:32:26,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-01-06 13:32:26,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2021-01-06 13:32:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-01-06 13:32:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2021-01-06 13:32:26,896 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 289 [2021-01-06 13:32:26,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:26,897 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2021-01-06 13:32:26,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2021-01-06 13:32:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-01-06 13:32:26,904 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:26,904 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:27,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 13:32:27,120 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:27,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:27,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1693955043, now seen corresponding path program 1 times [2021-01-06 13:32:27,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:27,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409337373] [2021-01-06 13:32:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-01-06 13:32:27,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409337373] [2021-01-06 13:32:27,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:27,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:27,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308717783] [2021-01-06 13:32:27,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:27,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:27,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:27,390 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2021-01-06 13:32:27,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:27,913 INFO L93 Difference]: Finished difference Result 2645 states and 3076 transitions. [2021-01-06 13:32:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:27,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2021-01-06 13:32:27,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:27,915 INFO L225 Difference]: With dead ends: 2645 [2021-01-06 13:32:27,915 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 13:32:27,920 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 13:32:27,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 13:32:27,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 13:32:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 13:32:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 13:32:27,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2021-01-06 13:32:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:27,921 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 13:32:27,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 13:32:27,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 13:32:27,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 13:32:27,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 13:32:28,164 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2021-01-06 13:32:28,165 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-01-06 13:32:28,165 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-01-06 13:32:28,165 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-01-06 13:32:28,165 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-01-06 13:32:28,165 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-01-06 13:32:28,165 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 13:32:28,166 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-01-06 13:32:28,167 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-01-06 13:32:28,168 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,168 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,168 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 13:32:28,171 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,172 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 13:32:28,173 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,174 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 13:32:28,175 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,176 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 13:32:28,177 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 13:32:28,178 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 13:32:28,178 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 13:32:28,178 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-01-06 13:32:28,178 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-01-06 13:32:28,179 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 13:32:28,180 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 13:32:28,180 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 13:32:28,180 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 13:32:28,180 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 13:32:28,180 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 13:32:28,192 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,193 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 13:32:28,194 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,195 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 13:32:28,196 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-01-06 13:32:28,197 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-01-06 13:32:28,197 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-01-06 13:32:28,197 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-01-06 13:32:28,197 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,197 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,197 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,197 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,198 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 13:32:28,198 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 13:32:28,199 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 13:32:28,200 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 13:32:28,200 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-01-06 13:32:28,200 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-01-06 13:32:28,200 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-01-06 13:32:28,200 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-01-06 13:32:28,200 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-01-06 13:32:28,201 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,201 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,202 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,202 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,202 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 13:32:28,202 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 13:32:28,203 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-01-06 13:32:28,204 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-01-06 13:32:28,205 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 13:32:28,206 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 13:32:28,206 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 13:32:28,206 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 13:32:28,206 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 13:32:28,206 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 13:32:28,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 01:32:28 BoogieIcfgContainer [2021-01-06 13:32:28,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 13:32:28,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 13:32:28,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 13:32:28,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 13:32:28,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:32:17" (3/4) ... [2021-01-06 13:32:28,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 13:32:28,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 13:32:28,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 13:32:28,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:32:28,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:32:28,443 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label52.c-witness.graphml [2021-01-06 13:32:28,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 13:32:28,445 INFO L168 Benchmark]: Toolchain (without parser) took 13358.91 ms. Allocated memory was 157.3 MB in the beginning and 311.4 MB in the end (delta: 154.1 MB). Free memory was 129.9 MB in the beginning and 107.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 178.1 MB. Max. memory is 8.0 GB. [2021-01-06 13:32:28,445 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 13:32:28,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.36 ms. Allocated memory is still 157.3 MB. Free memory was 129.6 MB in the beginning and 136.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 8.0 GB. [2021-01-06 13:32:28,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.89 ms. Allocated memory is still 157.3 MB. Free memory was 136.8 MB in the beginning and 128.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-01-06 13:32:28,446 INFO L168 Benchmark]: Boogie Preprocessor took 86.83 ms. Allocated memory is still 157.3 MB. Free memory was 128.8 MB in the beginning and 123.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 13:32:28,447 INFO L168 Benchmark]: RCFGBuilder took 1476.33 ms. Allocated memory was 157.3 MB in the beginning and 197.1 MB in the end (delta: 39.8 MB). Free memory was 123.6 MB in the beginning and 142.4 MB in the end (delta: -18.8 MB). Peak memory consumption was 81.3 MB. Max. memory is 8.0 GB. [2021-01-06 13:32:28,447 INFO L168 Benchmark]: TraceAbstraction took 10619.15 ms. Allocated memory was 197.1 MB in the beginning and 311.4 MB in the end (delta: 114.3 MB). Free memory was 141.9 MB in the beginning and 121.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 134.4 MB. Max. memory is 8.0 GB. [2021-01-06 13:32:28,448 INFO L168 Benchmark]: Witness Printer took 197.03 ms. Allocated memory is still 311.4 MB. Free memory was 121.8 MB in the beginning and 107.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:32:28,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 805.36 ms. Allocated memory is still 157.3 MB. Free memory was 129.6 MB in the beginning and 136.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 164.89 ms. Allocated memory is still 157.3 MB. Free memory was 136.8 MB in the beginning and 128.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.83 ms. Allocated memory is still 157.3 MB. Free memory was 128.8 MB in the beginning and 123.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1476.33 ms. Allocated memory was 157.3 MB in the beginning and 197.1 MB in the end (delta: 39.8 MB). Free memory was 123.6 MB in the beginning and 142.4 MB in the end (delta: -18.8 MB). Peak memory consumption was 81.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10619.15 ms. Allocated memory was 197.1 MB in the beginning and 311.4 MB in the end (delta: 114.3 MB). Free memory was 141.9 MB in the beginning and 121.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 134.4 MB. Max. memory is 8.0 GB. * Witness Printer took 197.03 ms. Allocated memory is still 311.4 MB. Free memory was 121.8 MB in the beginning and 107.0 MB in the end (delta: 14.8 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: 137]: 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 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && 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: 10.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1181 SDtfs, 1128 SDslu, 55 SDs, 0 SdLazy, 3947 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 567 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 629 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2157 NumberOfCodeBlocks, 2157 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2146 ConstructedInterpolants, 0 QuantifiedInterpolants, 1747230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 1400/1436 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...