/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_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 13:31:32,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 13:31:32,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 13:31:32,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 13:31:32,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 13:31:32,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 13:31:32,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 13:31:32,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 13:31:32,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 13:31:32,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 13:31:32,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 13:31:32,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 13:31:32,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 13:31:32,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 13:31:32,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 13:31:32,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 13:31:32,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 13:31:32,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 13:31:32,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 13:31:32,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 13:31:32,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 13:31:32,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 13:31:32,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 13:31:32,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 13:31:32,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 13:31:32,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 13:31:32,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 13:31:32,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 13:31:32,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 13:31:32,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 13:31:32,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 13:31:32,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 13:31:32,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 13:31:32,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 13:31:32,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 13:31:32,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 13:31:32,373 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 13:31:32,403 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 13:31:32,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 13:31:32,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 13:31:32,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 13:31:32,405 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 13:31:32,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 13:31:32,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 13:31:32,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 13:31:32,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 13:31:32,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 13:31:32,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 13:31:32,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 13:31:32,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 13:31:32,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 13:31:32,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 13:31:32,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 13:31:32,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 13:31:32,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 13:31:32,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 13:31:32,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 13:31:32,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 13:31:32,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 13:31:32,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 13:31:32,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 13:31:32,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 13:31:32,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 13:31:32,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 13:31:32,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 13:31:32,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 13:31:32,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 13:31:32,855 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 13:31:32,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2021-01-06 13:31:32,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a4bc0345c/a50e8f622e004b348a68e32b64ab96ba/FLAGc4ca353c4 [2021-01-06 13:31:33,723 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 13:31:33,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2021-01-06 13:31:33,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a4bc0345c/a50e8f622e004b348a68e32b64ab96ba/FLAGc4ca353c4 [2021-01-06 13:31:33,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a4bc0345c/a50e8f622e004b348a68e32b64ab96ba [2021-01-06 13:31:33,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 13:31:33,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 13:31:33,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 13:31:33,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 13:31:33,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 13:31:33,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:31:33" (1/1) ... [2021-01-06 13:31:33,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67efcffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:33, skipping insertion in model container [2021-01-06 13:31:33,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:31:33" (1/1) ... [2021-01-06 13:31:34,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 13:31:34,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 13:31:34,399 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_label27.c[6867,6880] 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 13:31:34,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:31:34,619 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 13:31:34,676 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_label27.c[6867,6880] 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 13:31:34,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:31:34,843 INFO L208 MainTranslator]: Completed translation [2021-01-06 13:31:34,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34 WrapperNode [2021-01-06 13:31:34,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 13:31:34,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 13:31:34,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 13:31:34,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 13:31:34,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:34,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:34,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 13:31:34,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 13:31:34,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 13:31:34,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 13:31:34,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:34,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:34,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:34,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:35,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:35,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:35,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (1/1) ... [2021-01-06 13:31:35,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 13:31:35,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 13:31:35,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 13:31:35,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 13:31:35,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (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 13:31:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 13:31:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 13:31:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 13:31:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 13:31:36,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 13:31:36,572 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 13:31:36,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:31:36 BoogieIcfgContainer [2021-01-06 13:31:36,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 13:31:36,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 13:31:36,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 13:31:36,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 13:31:36,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 01:31:33" (1/3) ... [2021-01-06 13:31:36,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc1ecec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:31:36, skipping insertion in model container [2021-01-06 13:31:36,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:31:34" (2/3) ... [2021-01-06 13:31:36,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc1ecec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:31:36, skipping insertion in model container [2021-01-06 13:31:36,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:31:36" (3/3) ... [2021-01-06 13:31:36,585 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2021-01-06 13:31:36,592 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 13:31:36,598 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 13:31:36,618 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 13:31:36,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 13:31:36,648 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 13:31:36,649 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 13:31:36,649 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 13:31:36,649 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 13:31:36,649 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 13:31:36,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 13:31:36,650 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 13:31:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-01-06 13:31:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 13:31:36,681 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:36,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:31:36,683 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:36,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:36,689 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2021-01-06 13:31:36,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:36,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151614141] [2021-01-06 13:31:36,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:37,115 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 13:31:37,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151614141] [2021-01-06 13:31:37,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:37,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:31:37,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925452320] [2021-01-06 13:31:37,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:31:37,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:37,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:31:37,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:31:37,142 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2021-01-06 13:31:38,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:38,799 INFO L93 Difference]: Finished difference Result 696 states and 1248 transitions. [2021-01-06 13:31:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 13:31:38,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2021-01-06 13:31:38,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:38,819 INFO L225 Difference]: With dead ends: 696 [2021-01-06 13:31:38,820 INFO L226 Difference]: Without dead ends: 421 [2021-01-06 13:31:38,824 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 13:31:38,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-01-06 13:31:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-01-06 13:31:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 13:31:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2021-01-06 13:31:38,899 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 60 [2021-01-06 13:31:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:38,900 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2021-01-06 13:31:38,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:31:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2021-01-06 13:31:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-01-06 13:31:38,913 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:38,914 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:38,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 13:31:38,915 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:38,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:38,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1646029236, now seen corresponding path program 1 times [2021-01-06 13:31:38,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:38,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261557849] [2021-01-06 13:31:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:31:39,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261557849] [2021-01-06 13:31:39,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:39,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:31:39,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406338122] [2021-01-06 13:31:39,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:31:39,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:39,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:31:39,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:31:39,306 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 3 states. [2021-01-06 13:31:39,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:39,933 INFO L93 Difference]: Finished difference Result 840 states and 1225 transitions. [2021-01-06 13:31:39,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:39,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2021-01-06 13:31:39,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:39,940 INFO L225 Difference]: With dead ends: 840 [2021-01-06 13:31:39,940 INFO L226 Difference]: Without dead ends: 560 [2021-01-06 13:31:39,948 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 13:31:39,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-01-06 13:31:40,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-01-06 13:31:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-01-06 13:31:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2021-01-06 13:31:40,012 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 178 [2021-01-06 13:31:40,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:40,013 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2021-01-06 13:31:40,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2021-01-06 13:31:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-01-06 13:31:40,024 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:40,025 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:31:40,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 13:31:40,025 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:40,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:40,026 INFO L82 PathProgramCache]: Analyzing trace with hash -863568004, now seen corresponding path program 1 times [2021-01-06 13:31:40,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:40,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291065676] [2021-01-06 13:31:40,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:31:40,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291065676] [2021-01-06 13:31:40,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:40,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:31:40,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230558928] [2021-01-06 13:31:40,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:31:40,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:40,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:31:40,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:31:40,264 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2021-01-06 13:31:40,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:40,802 INFO L93 Difference]: Finished difference Result 1257 states and 1713 transitions. [2021-01-06 13:31:40,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:40,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2021-01-06 13:31:40,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:40,809 INFO L225 Difference]: With dead ends: 1257 [2021-01-06 13:31:40,809 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 13:31:40,810 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 13:31:40,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 13:31:40,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-01-06 13:31:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2021-01-06 13:31:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions. [2021-01-06 13:31:40,839 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 204 [2021-01-06 13:31:40,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:40,840 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions. [2021-01-06 13:31:40,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:40,840 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions. [2021-01-06 13:31:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-01-06 13:31:40,845 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:40,845 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 13:31:40,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 13:31:40,846 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:40,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:40,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1830984458, now seen corresponding path program 1 times [2021-01-06 13:31:40,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:40,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618029215] [2021-01-06 13:31:40,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 13:31:41,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618029215] [2021-01-06 13:31:41,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:41,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 13:31:41,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247612523] [2021-01-06 13:31:41,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 13:31:41,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:41,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 13:31:41,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:31:41,361 INFO L87 Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand 7 states. [2021-01-06 13:31:41,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:41,955 INFO L93 Difference]: Finished difference Result 1590 states and 1987 transitions. [2021-01-06 13:31:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 13:31:41,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2021-01-06 13:31:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:41,962 INFO L225 Difference]: With dead ends: 1590 [2021-01-06 13:31:41,963 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 13:31:41,965 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 13:31:41,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 13:31:41,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-01-06 13:31:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2021-01-06 13:31:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1035 transitions. [2021-01-06 13:31:41,993 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1035 transitions. Word has length 213 [2021-01-06 13:31:41,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:41,994 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1035 transitions. [2021-01-06 13:31:41,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 13:31:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1035 transitions. [2021-01-06 13:31:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-01-06 13:31:41,999 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:41,999 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 13:31:41,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 13:31:42,000 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:42,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:42,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1121805360, now seen corresponding path program 1 times [2021-01-06 13:31:42,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:42,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295434560] [2021-01-06 13:31:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:31:42,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295434560] [2021-01-06 13:31:42,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:42,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:31:42,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141682854] [2021-01-06 13:31:42,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:31:42,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:42,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:31:42,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:31:42,259 INFO L87 Difference]: Start difference. First operand 838 states and 1035 transitions. Second operand 3 states. [2021-01-06 13:31:42,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:42,817 INFO L93 Difference]: Finished difference Result 1813 states and 2326 transitions. [2021-01-06 13:31:42,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:42,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2021-01-06 13:31:42,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:42,826 INFO L225 Difference]: With dead ends: 1813 [2021-01-06 13:31:42,827 INFO L226 Difference]: Without dead ends: 1116 [2021-01-06 13:31:42,828 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 13:31:42,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-01-06 13:31:42,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-01-06 13:31:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-01-06 13:31:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1174 transitions. [2021-01-06 13:31:42,854 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1174 transitions. Word has length 249 [2021-01-06 13:31:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:42,854 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1174 transitions. [2021-01-06 13:31:42,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1174 transitions. [2021-01-06 13:31:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-01-06 13:31:42,860 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:42,860 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:31:42,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 13:31:42,861 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:42,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1581046708, now seen corresponding path program 1 times [2021-01-06 13:31:42,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:42,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986459779] [2021-01-06 13:31:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-01-06 13:31:43,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986459779] [2021-01-06 13:31:43,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:43,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:31:43,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511712465] [2021-01-06 13:31:43,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:31:43,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:43,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:31:43,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:31:43,213 INFO L87 Difference]: Start difference. First operand 977 states and 1174 transitions. Second operand 3 states. [2021-01-06 13:31:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:43,781 INFO L93 Difference]: Finished difference Result 1952 states and 2391 transitions. [2021-01-06 13:31:43,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:43,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2021-01-06 13:31:43,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:43,789 INFO L225 Difference]: With dead ends: 1952 [2021-01-06 13:31:43,789 INFO L226 Difference]: Without dead ends: 1116 [2021-01-06 13:31:43,791 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 13:31:43,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-01-06 13:31:43,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-01-06 13:31:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-01-06 13:31:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1267 transitions. [2021-01-06 13:31:43,834 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1267 transitions. Word has length 284 [2021-01-06 13:31:43,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:43,835 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1267 transitions. [2021-01-06 13:31:43,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:43,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1267 transitions. [2021-01-06 13:31:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-01-06 13:31:43,842 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:43,843 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:31:43,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 13:31:43,843 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:43,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:43,844 INFO L82 PathProgramCache]: Analyzing trace with hash 57024807, now seen corresponding path program 1 times [2021-01-06 13:31:43,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:43,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129343647] [2021-01-06 13:31:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:44,154 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-01-06 13:31:44,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129343647] [2021-01-06 13:31:44,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:44,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:31:44,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018154169] [2021-01-06 13:31:44,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:31:44,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:44,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:31:44,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:31:44,159 INFO L87 Difference]: Start difference. First operand 1116 states and 1267 transitions. Second operand 3 states. [2021-01-06 13:31:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:44,807 INFO L93 Difference]: Finished difference Result 2925 states and 3352 transitions. [2021-01-06 13:31:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:44,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2021-01-06 13:31:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:44,819 INFO L225 Difference]: With dead ends: 2925 [2021-01-06 13:31:44,820 INFO L226 Difference]: Without dead ends: 1950 [2021-01-06 13:31:44,823 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 13:31:44,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-01-06 13:31:44,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1533. [2021-01-06 13:31:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2021-01-06 13:31:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1763 transitions. [2021-01-06 13:31:44,883 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1763 transitions. Word has length 338 [2021-01-06 13:31:44,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:44,884 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1763 transitions. [2021-01-06 13:31:44,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1763 transitions. [2021-01-06 13:31:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-01-06 13:31:44,892 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:44,892 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:31:44,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 13:31:44,893 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:44,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1557017880, now seen corresponding path program 1 times [2021-01-06 13:31:44,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:44,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869953700] [2021-01-06 13:31:44,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-01-06 13:31:45,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869953700] [2021-01-06 13:31:45,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:45,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:31:45,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336079303] [2021-01-06 13:31:45,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:31:45,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:45,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:31:45,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:31:45,212 INFO L87 Difference]: Start difference. First operand 1533 states and 1763 transitions. Second operand 3 states. [2021-01-06 13:31:45,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:45,836 INFO L93 Difference]: Finished difference Result 3620 states and 4179 transitions. [2021-01-06 13:31:45,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:45,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2021-01-06 13:31:45,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:45,849 INFO L225 Difference]: With dead ends: 3620 [2021-01-06 13:31:45,850 INFO L226 Difference]: Without dead ends: 2228 [2021-01-06 13:31:45,852 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 13:31:45,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2021-01-06 13:31:45,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2228. [2021-01-06 13:31:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2021-01-06 13:31:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2523 transitions. [2021-01-06 13:31:45,916 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2523 transitions. Word has length 355 [2021-01-06 13:31:45,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:45,917 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2523 transitions. [2021-01-06 13:31:45,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2523 transitions. [2021-01-06 13:31:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-01-06 13:31:45,926 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:31:45,927 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:31:45,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 13:31:45,927 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:31:45,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:31:45,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1442960892, now seen corresponding path program 1 times [2021-01-06 13:31:45,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:31:45,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952695973] [2021-01-06 13:31:45,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:31:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:31:46,275 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-01-06 13:31:46,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952695973] [2021-01-06 13:31:46,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:31:46,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:31:46,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031540276] [2021-01-06 13:31:46,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:31:46,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:31:46,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:31:46,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:31:46,285 INFO L87 Difference]: Start difference. First operand 2228 states and 2523 transitions. Second operand 3 states. [2021-01-06 13:31:46,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:31:46,972 INFO L93 Difference]: Finished difference Result 3062 states and 3494 transitions. [2021-01-06 13:31:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:31:46,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 368 [2021-01-06 13:31:46,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:31:46,973 INFO L225 Difference]: With dead ends: 3062 [2021-01-06 13:31:46,974 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 13:31:46,977 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 13:31:46,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 13:31:46,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 13:31:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 13:31:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 13:31:46,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 368 [2021-01-06 13:31:46,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:31:46,983 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 13:31:46,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:31:46,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 13:31:46,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 13:31:46,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 13:31:46,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 13:31:47,257 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2021-01-06 13:31:47,257 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-01-06 13:31:47,257 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-01-06 13:31:47,257 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-01-06 13:31:47,257 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-01-06 13:31:47,257 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-01-06 13:31:47,258 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,258 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,258 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,258 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,258 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,258 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,258 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-01-06 13:31:47,259 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 13:31:47,259 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 13:31:47,260 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 13:31:47,260 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 13:31:47,260 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 13:31:47,261 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 13:31:47,262 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-01-06 13:31:47,262 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-01-06 13:31:47,262 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-01-06 13:31:47,262 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-01-06 13:31:47,262 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-01-06 13:31:47,262 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-01-06 13:31:47,262 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,263 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,263 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,263 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,263 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,263 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,263 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-01-06 13:31:47,263 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-01-06 13:31:47,264 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-01-06 13:31:47,264 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 13:31:47,264 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 13:31:47,268 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 13:31:47,269 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 13:31:47,269 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 13:31:47,269 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 13:31:47,269 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-01-06 13:31:47,269 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-01-06 13:31:47,269 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-01-06 13:31:47,269 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-01-06 13:31:47,270 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-01-06 13:31:47,271 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-01-06 13:31:47,272 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,273 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 13:31:47,274 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-01-06 13:31:47,275 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 13:31:47,276 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 13:31:47,277 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 13:31:47,277 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 13:31:47,279 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (not (= 7 ~a19~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 0 ~a1~0) .cse0 (= ~a10~0 2) .cse1 .cse3) (and (= ~a10~0 1) .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1 .cse2))) [2021-01-06 13:31:47,279 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-01-06 13:31:47,279 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-01-06 13:31:47,279 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-01-06 13:31:47,280 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 13:31:47,281 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 13:31:47,281 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 13:31:47,281 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 13:31:47,281 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 13:31:47,281 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-01-06 13:31:47,281 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-01-06 13:31:47,281 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-01-06 13:31:47,282 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-01-06 13:31:47,282 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-01-06 13:31:47,282 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-01-06 13:31:47,282 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 13:31:47,282 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,282 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,282 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 13:31:47,283 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-01-06 13:31:47,284 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-01-06 13:31:47,284 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-01-06 13:31:47,284 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-01-06 13:31:47,284 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,287 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,288 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,302 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,303 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 13:31:47,304 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,304 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-01-06 13:31:47,304 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-01-06 13:31:47,304 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-01-06 13:31:47,304 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-01-06 13:31:47,304 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 13:31:47,305 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 13:31:47,305 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 13:31:47,305 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 13:31:47,305 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 13:31:47,305 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-01-06 13:31:47,305 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-01-06 13:31:47,305 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-01-06 13:31:47,306 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (not (= 7 ~a19~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 0 ~a1~0) .cse0 (= ~a10~0 2) .cse1 .cse3) (and (= ~a10~0 1) .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1 .cse2))) [2021-01-06 13:31:47,306 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-01-06 13:31:47,306 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,306 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,306 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,307 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,307 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 13:31:47,307 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,307 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,307 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-01-06 13:31:47,307 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-01-06 13:31:47,308 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-01-06 13:31:47,308 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 13:31:47,308 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 13:31:47,308 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 13:31:47,308 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 13:31:47,308 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 13:31:47,308 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 13:31:47,309 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 13:31:47,309 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2021-01-06 13:31:47,309 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-01-06 13:31:47,309 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-01-06 13:31:47,309 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-01-06 13:31:47,309 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-01-06 13:31:47,309 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,310 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,310 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,310 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,310 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,310 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:31:47,310 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-01-06 13:31:47,310 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-01-06 13:31:47,311 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-01-06 13:31:47,311 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 13:31:47,311 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 13:31:47,311 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 13:31:47,311 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 13:31:47,311 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 13:31:47,312 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 13:31:47,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 01:31:47 BoogieIcfgContainer [2021-01-06 13:31:47,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 13:31:47,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 13:31:47,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 13:31:47,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 13:31:47,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:31:36" (3/4) ... [2021-01-06 13:31:47,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 13:31:47,394 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 13:31:47,396 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 13:31:47,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:31:47,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:31:47,574 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label27.c-witness.graphml [2021-01-06 13:31:47,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 13:31:47,576 INFO L168 Benchmark]: Toolchain (without parser) took 13598.14 ms. Allocated memory was 165.7 MB in the beginning and 413.1 MB in the end (delta: 247.5 MB). Free memory was 139.5 MB in the beginning and 366.5 MB in the end (delta: -227.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:47,577 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 165.7 MB. Free memory is still 138.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 13:31:47,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.24 ms. Allocated memory is still 165.7 MB. Free memory was 139.3 MB in the beginning and 145.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:47,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.79 ms. Allocated memory is still 165.7 MB. Free memory was 145.6 MB in the beginning and 137.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:47,578 INFO L168 Benchmark]: Boogie Preprocessor took 140.05 ms. Allocated memory is still 165.7 MB. Free memory was 137.8 MB in the beginning and 132.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:47,579 INFO L168 Benchmark]: RCFGBuilder took 1473.64 ms. Allocated memory was 165.7 MB in the beginning and 216.0 MB in the end (delta: 50.3 MB). Free memory was 132.5 MB in the beginning and 166.6 MB in the end (delta: -34.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:47,579 INFO L168 Benchmark]: TraceAbstraction took 10776.57 ms. Allocated memory was 216.0 MB in the beginning and 413.1 MB in the end (delta: 197.1 MB). Free memory was 166.6 MB in the beginning and 381.2 MB in the end (delta: -214.6 MB). Peak memory consumption was 176.0 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:47,580 INFO L168 Benchmark]: Witness Printer took 220.04 ms. Allocated memory is still 413.1 MB. Free memory was 381.2 MB in the beginning and 366.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 13:31:47,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 165.7 MB. Free memory is still 138.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 862.24 ms. Allocated memory is still 165.7 MB. Free memory was 139.3 MB in the beginning and 145.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 114.79 ms. Allocated memory is still 165.7 MB. Free memory was 145.6 MB in the beginning and 137.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 140.05 ms. Allocated memory is still 165.7 MB. Free memory was 137.8 MB in the beginning and 132.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1473.64 ms. Allocated memory was 165.7 MB in the beginning and 216.0 MB in the end (delta: 50.3 MB). Free memory was 132.5 MB in the beginning and 166.6 MB in the end (delta: -34.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10776.57 ms. Allocated memory was 216.0 MB in the beginning and 413.1 MB in the end (delta: 197.1 MB). Free memory was 166.6 MB in the beginning and 381.2 MB in the end (delta: -214.6 MB). Peak memory consumption was 176.0 MB. Max. memory is 8.0 GB. * Witness Printer took 220.04 ms. Allocated memory is still 413.1 MB. Free memory was 381.2 MB in the beginning and 366.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 194]: 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 && a12 == 0) && !(7 == a19)) && a19 <= 9) || ((((0 <= a1 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && !(7 == a19)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((14 == a4 && a12 == 0) && !(7 == a19)) && a19 <= 9) || ((((0 <= a1 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && !(7 == a19)) - 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: 10.3s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 974 SDtfs, 1061 SDslu, 51 SDs, 0 SdLazy, 3726 SolverSat, 732 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 556 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 111 HoareAnnotationTreeSize, 3 FomulaSimplifications, 992 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 290 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2249 NumberOfCodeBlocks, 2249 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2240 ConstructedInterpolants, 0 QuantifiedInterpolants, 1349044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2099/2099 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...