/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_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 03:35:54,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 03:35:54,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 03:35:54,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 03:35:54,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 03:35:54,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 03:35:54,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 03:35:54,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 03:35:54,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 03:35:54,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 03:35:54,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 03:35:54,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 03:35:54,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 03:35:54,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 03:35:54,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 03:35:54,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 03:35:54,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 03:35:54,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 03:35:54,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 03:35:54,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 03:35:54,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 03:35:54,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 03:35:54,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 03:35:54,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 03:35:54,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 03:35:54,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 03:35:54,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 03:35:54,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 03:35:54,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 03:35:54,388 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 03:35:54,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 03:35:54,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 03:35:54,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 03:35:54,393 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 03:35:54,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 03:35:54,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 03:35:54,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 03:35:54,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 03:35:54,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 03:35:54,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 03:35:54,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 03:35:54,399 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 03:35:54,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 03:35:54,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 03:35:54,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 03:35:54,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 03:35:54,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:35:54,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 03:35:54,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 03:35:54,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 03:35:54,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 03:35:54,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 03:35:54,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 03:35:54,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 03:35:54,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 03:35:54,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 03:35:54,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 03:35:54,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 03:35:54,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 03:35:54,953 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 03:35:54,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2020-12-23 03:35:55,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f93cb8768/2dd391180fb34b4680d807876727fc8e/FLAG9ad324082 [2020-12-23 03:35:55,868 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 03:35:55,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label04.c [2020-12-23 03:35:55,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f93cb8768/2dd391180fb34b4680d807876727fc8e/FLAG9ad324082 [2020-12-23 03:35:56,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f93cb8768/2dd391180fb34b4680d807876727fc8e [2020-12-23 03:35:56,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 03:35:56,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 03:35:56,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 03:35:56,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 03:35:56,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 03:35:56,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9955de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56, skipping insertion in model container [2020-12-23 03:35:56,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 03:35:56,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 03:35:56,363 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_label04.c[7502,7515] 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,] [2020-12-23 03:35:56,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:35:56,612 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 03:35:56,651 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_label04.c[7502,7515] 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,] [2020-12-23 03:35:56,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:35:56,763 INFO L208 MainTranslator]: Completed translation [2020-12-23 03:35:56,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56 WrapperNode [2020-12-23 03:35:56,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 03:35:56,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 03:35:56,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 03:35:56,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 03:35:56,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 03:35:56,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 03:35:56,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 03:35:56,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 03:35:56,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... [2020-12-23 03:35:56,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 03:35:56,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 03:35:56,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 03:35:56,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 03:35:56,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:35:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 03:35:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 03:35:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 03:35:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 03:35:58,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 03:35:58,573 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 03:35:58,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:35:58 BoogieIcfgContainer [2020-12-23 03:35:58,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 03:35:58,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 03:35:58,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 03:35:58,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 03:35:58,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:35:56" (1/3) ... [2020-12-23 03:35:58,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c088aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:35:58, skipping insertion in model container [2020-12-23 03:35:58,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:35:56" (2/3) ... [2020-12-23 03:35:58,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c088aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:35:58, skipping insertion in model container [2020-12-23 03:35:58,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:35:58" (3/3) ... [2020-12-23 03:35:58,594 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label04.c [2020-12-23 03:35:58,602 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 03:35:58,607 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 03:35:58,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 03:35:58,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 03:35:58,677 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 03:35:58,677 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 03:35:58,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 03:35:58,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 03:35:58,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 03:35:58,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 03:35:58,678 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 03:35:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-23 03:35:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 03:35:58,711 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:35:58,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:35:58,712 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:35:58,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:35:58,719 INFO L82 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2020-12-23 03:35:58,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:35:58,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651373731] [2020-12-23 03:35:58,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:35:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:35:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:35:59,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651373731] [2020-12-23 03:35:59,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:35:59,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:35:59,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088748850] [2020-12-23 03:35:59,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:35:59,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:35:59,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:35:59,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:35:59,186 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-23 03:36:00,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:00,036 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2020-12-23 03:36:00,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:00,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 03:36:00,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:00,055 INFO L225 Difference]: With dead ends: 552 [2020-12-23 03:36:00,055 INFO L226 Difference]: Without dead ends: 282 [2020-12-23 03:36:00,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:00,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-23 03:36:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-23 03:36:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-23 03:36:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-12-23 03:36:00,127 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 66 [2020-12-23 03:36:00,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:00,128 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-12-23 03:36:00,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-12-23 03:36:00,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 03:36:00,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:00,135 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:00,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 03:36:00,135 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:00,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:00,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1617336602, now seen corresponding path program 1 times [2020-12-23 03:36:00,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:00,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379674812] [2020-12-23 03:36:00,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:00,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379674812] [2020-12-23 03:36:00,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:00,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:00,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810299721] [2020-12-23 03:36:00,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:00,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:00,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:00,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:00,325 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-12-23 03:36:00,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:00,960 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-12-23 03:36:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:00,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-12-23 03:36:00,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:00,965 INFO L225 Difference]: With dead ends: 701 [2020-12-23 03:36:00,966 INFO L226 Difference]: Without dead ends: 421 [2020-12-23 03:36:00,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:00,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-23 03:36:00,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-23 03:36:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-23 03:36:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-12-23 03:36:00,991 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 132 [2020-12-23 03:36:00,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:00,992 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-12-23 03:36:00,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-12-23 03:36:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 03:36:00,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:00,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:00,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 03:36:00,997 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:00,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:00,997 INFO L82 PathProgramCache]: Analyzing trace with hash -561569415, now seen corresponding path program 1 times [2020-12-23 03:36:00,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:00,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899980742] [2020-12-23 03:36:00,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:01,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899980742] [2020-12-23 03:36:01,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:01,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:36:01,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750703022] [2020-12-23 03:36:01,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:01,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:01,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:01,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:01,188 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-12-23 03:36:01,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:01,856 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-12-23 03:36:01,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:01,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-12-23 03:36:01,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:01,861 INFO L225 Difference]: With dead ends: 979 [2020-12-23 03:36:01,861 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 03:36:01,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:01,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 03:36:01,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-23 03:36:01,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 03:36:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-12-23 03:36:01,887 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 139 [2020-12-23 03:36:01,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:01,887 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-12-23 03:36:01,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-12-23 03:36:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-23 03:36:01,891 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:01,891 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:01,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 03:36:01,892 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:01,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:01,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1976362292, now seen corresponding path program 1 times [2020-12-23 03:36:01,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:01,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760120772] [2020-12-23 03:36:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:02,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760120772] [2020-12-23 03:36:02,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:02,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 03:36:02,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588481156] [2020-12-23 03:36:02,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 03:36:02,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:02,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 03:36:02,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:36:02,231 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 7 states. [2020-12-23 03:36:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:02,920 INFO L93 Difference]: Finished difference Result 1034 states and 1254 transitions. [2020-12-23 03:36:02,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 03:36:02,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-12-23 03:36:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:02,930 INFO L225 Difference]: With dead ends: 1034 [2020-12-23 03:36:02,930 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 03:36:02,931 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 [2020-12-23 03:36:02,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 03:36:02,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-23 03:36:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 03:36:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions. [2020-12-23 03:36:02,945 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 141 [2020-12-23 03:36:02,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:02,945 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 672 transitions. [2020-12-23 03:36:02,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 03:36:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions. [2020-12-23 03:36:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-23 03:36:02,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:02,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:02,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 03:36:02,949 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:02,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:02,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1528032500, now seen corresponding path program 1 times [2020-12-23 03:36:02,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:02,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31825] [2020-12-23 03:36:02,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:03,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31825] [2020-12-23 03:36:03,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:03,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:36:03,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627081542] [2020-12-23 03:36:03,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:03,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:03,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:03,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:03,125 INFO L87 Difference]: Start difference. First operand 560 states and 672 transitions. Second operand 3 states. [2020-12-23 03:36:03,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:03,858 INFO L93 Difference]: Finished difference Result 1257 states and 1566 transitions. [2020-12-23 03:36:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:03,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-12-23 03:36:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:03,871 INFO L225 Difference]: With dead ends: 1257 [2020-12-23 03:36:03,871 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 03:36:03,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:03,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 03:36:03,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-23 03:36:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-23 03:36:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1004 transitions. [2020-12-23 03:36:03,919 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1004 transitions. Word has length 157 [2020-12-23 03:36:03,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:03,920 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1004 transitions. [2020-12-23 03:36:03,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1004 transitions. [2020-12-23 03:36:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-23 03:36:03,924 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:03,924 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 03:36:03,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 03:36:03,925 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:03,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:03,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1193522266, now seen corresponding path program 1 times [2020-12-23 03:36:03,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:03,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007973723] [2020-12-23 03:36:03,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-23 03:36:04,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007973723] [2020-12-23 03:36:04,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307113774] [2020-12-23 03:36:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:36:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:04,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:36:04,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:36:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-23 03:36:04,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:36:04,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-23 03:36:04,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734655531] [2020-12-23 03:36:04,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:04,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:04,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:04,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:36:04,781 INFO L87 Difference]: Start difference. First operand 838 states and 1004 transitions. Second operand 3 states. [2020-12-23 03:36:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:05,452 INFO L93 Difference]: Finished difference Result 1257 states and 1491 transitions. [2020-12-23 03:36:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:05,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-12-23 03:36:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:05,459 INFO L225 Difference]: With dead ends: 1257 [2020-12-23 03:36:05,460 INFO L226 Difference]: Without dead ends: 1255 [2020-12-23 03:36:05,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:36:05,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-23 03:36:05,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 977. [2020-12-23 03:36:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-23 03:36:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1191 transitions. [2020-12-23 03:36:05,489 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1191 transitions. Word has length 177 [2020-12-23 03:36:05,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:05,489 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1191 transitions. [2020-12-23 03:36:05,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1191 transitions. [2020-12-23 03:36:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-23 03:36:05,495 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:05,495 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 03:36:05,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 03:36:05,697 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:05,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:05,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1690093464, now seen corresponding path program 1 times [2020-12-23 03:36:05,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:05,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781249371] [2020-12-23 03:36:05,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:05,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781249371] [2020-12-23 03:36:05,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:05,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:05,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357251527] [2020-12-23 03:36:05,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:05,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:05,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:05,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:05,969 INFO L87 Difference]: Start difference. First operand 977 states and 1191 transitions. Second operand 3 states. [2020-12-23 03:36:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:06,785 INFO L93 Difference]: Finished difference Result 2091 states and 2614 transitions. [2020-12-23 03:36:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:06,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-23 03:36:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:06,793 INFO L225 Difference]: With dead ends: 2091 [2020-12-23 03:36:06,793 INFO L226 Difference]: Without dead ends: 1255 [2020-12-23 03:36:06,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:06,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-23 03:36:06,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-23 03:36:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-23 03:36:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-12-23 03:36:06,827 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 255 [2020-12-23 03:36:06,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:06,828 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-12-23 03:36:06,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-12-23 03:36:06,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-12-23 03:36:06,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:06,836 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:06,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 03:36:06,836 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:06,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:06,837 INFO L82 PathProgramCache]: Analyzing trace with hash 448441465, now seen corresponding path program 1 times [2020-12-23 03:36:06,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:06,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487101854] [2020-12-23 03:36:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 77 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:07,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487101854] [2020-12-23 03:36:07,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006627507] [2020-12-23 03:36:07,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:36:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:07,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:36:07,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:36:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-23 03:36:07,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:36:07,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-23 03:36:07,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612545763] [2020-12-23 03:36:07,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:07,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:07,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:07,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:36:07,963 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 3 states. [2020-12-23 03:36:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:08,637 INFO L93 Difference]: Finished difference Result 1674 states and 1948 transitions. [2020-12-23 03:36:08,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:08,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-12-23 03:36:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:08,648 INFO L225 Difference]: With dead ends: 1674 [2020-12-23 03:36:08,648 INFO L226 Difference]: Without dead ends: 1672 [2020-12-23 03:36:08,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:36:08,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-12-23 03:36:08,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-12-23 03:36:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-23 03:36:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-12-23 03:36:08,688 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 314 [2020-12-23 03:36:08,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:08,688 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-12-23 03:36:08,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-12-23 03:36:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-12-23 03:36:08,696 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:08,696 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:08,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:36:08,911 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:08,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:08,912 INFO L82 PathProgramCache]: Analyzing trace with hash -912668953, now seen corresponding path program 1 times [2020-12-23 03:36:08,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:08,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788334097] [2020-12-23 03:36:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 03:36:09,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788334097] [2020-12-23 03:36:09,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:09,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:09,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071786806] [2020-12-23 03:36:09,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:09,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:09,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:09,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:09,169 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 3 states. [2020-12-23 03:36:09,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:09,821 INFO L93 Difference]: Finished difference Result 2647 states and 3154 transitions. [2020-12-23 03:36:09,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:09,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-12-23 03:36:09,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:09,829 INFO L225 Difference]: With dead ends: 2647 [2020-12-23 03:36:09,830 INFO L226 Difference]: Without dead ends: 1533 [2020-12-23 03:36:09,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:09,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-12-23 03:36:09,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2020-12-23 03:36:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-12-23 03:36:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1615 transitions. [2020-12-23 03:36:09,863 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1615 transitions. Word has length 328 [2020-12-23 03:36:09,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:09,864 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1615 transitions. [2020-12-23 03:36:09,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1615 transitions. [2020-12-23 03:36:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-12-23 03:36:09,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:09,871 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 03:36:09,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 03:36:09,872 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:09,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:09,872 INFO L82 PathProgramCache]: Analyzing trace with hash 84808014, now seen corresponding path program 1 times [2020-12-23 03:36:09,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:09,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034281708] [2020-12-23 03:36:09,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-12-23 03:36:10,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034281708] [2020-12-23 03:36:10,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:10,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:10,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542681241] [2020-12-23 03:36:10,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:10,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:10,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:10,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:10,088 INFO L87 Difference]: Start difference. First operand 1394 states and 1615 transitions. Second operand 3 states. [2020-12-23 03:36:10,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:10,728 INFO L93 Difference]: Finished difference Result 1674 states and 1918 transitions. [2020-12-23 03:36:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:10,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2020-12-23 03:36:10,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:10,737 INFO L225 Difference]: With dead ends: 1674 [2020-12-23 03:36:10,737 INFO L226 Difference]: Without dead ends: 1672 [2020-12-23 03:36:10,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:10,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-12-23 03:36:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-12-23 03:36:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-23 03:36:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-12-23 03:36:10,771 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 338 [2020-12-23 03:36:10,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:10,772 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-12-23 03:36:10,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-12-23 03:36:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-12-23 03:36:10,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:10,779 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2020-12-23 03:36:10,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 03:36:10,780 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:10,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:10,780 INFO L82 PathProgramCache]: Analyzing trace with hash -398245702, now seen corresponding path program 1 times [2020-12-23 03:36:10,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:10,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879272112] [2020-12-23 03:36:10,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:11,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879272112] [2020-12-23 03:36:11,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130204512] [2020-12-23 03:36:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:36:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:11,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:36:11,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:36:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-23 03:36:11,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:36:11,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 03:36:11,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360351617] [2020-12-23 03:36:11,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:11,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:11,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:11,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:36:11,903 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-12-23 03:36:12,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:12,632 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2020-12-23 03:36:12,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:12,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-12-23 03:36:12,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:12,643 INFO L225 Difference]: With dead ends: 3203 [2020-12-23 03:36:12,643 INFO L226 Difference]: Without dead ends: 2089 [2020-12-23 03:36:12,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:36:12,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-12-23 03:36:12,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-12-23 03:36:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-23 03:36:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2020-12-23 03:36:12,691 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 366 [2020-12-23 03:36:12,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:12,692 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2020-12-23 03:36:12,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2020-12-23 03:36:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-12-23 03:36:12,701 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:12,701 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 03:36:12,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 03:36:12,915 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:12,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:12,916 INFO L82 PathProgramCache]: Analyzing trace with hash 627376470, now seen corresponding path program 1 times [2020-12-23 03:36:12,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:12,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997812598] [2020-12-23 03:36:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-12-23 03:36:13,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997812598] [2020-12-23 03:36:13,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:13,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:13,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909683835] [2020-12-23 03:36:13,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:13,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:13,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:13,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:13,228 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2020-12-23 03:36:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:13,873 INFO L93 Difference]: Finished difference Result 4035 states and 4592 transitions. [2020-12-23 03:36:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:13,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2020-12-23 03:36:13,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:13,875 INFO L225 Difference]: With dead ends: 4035 [2020-12-23 03:36:13,875 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 03:36:13,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 03:36:13,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 03:36:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 03:36:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 03:36:13,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2020-12-23 03:36:13,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:13,881 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 03:36:13,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 03:36:13,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 03:36:13,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 03:36:13,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 03:36:14,075 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-12-23 03:36:14,188 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-12-23 03:36:14,193 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-23 03:36:14,193 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-23 03:36:14,193 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-23 03:36:14,193 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-23 03:36:14,193 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-23 03:36:14,193 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-23 03:36:14,193 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 03:36:14,194 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-23 03:36:14,195 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 03:36:14,196 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,197 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 03:36:14,198 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,199 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 03:36:14,200 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,201 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 03:36:14,202 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-23 03:36:14,203 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 03:36:14,204 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 03:36:14,204 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 03:36:14,204 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 03:36:14,204 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 03:36:14,204 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 .cse3 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,205 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 03:36:14,206 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,207 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-23 03:36:14,208 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-23 03:36:14,209 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-23 03:36:14,210 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 .cse3 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,211 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 03:36:14,212 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,213 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 03:36:14,214 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 03:36:14,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:36:14 BoogieIcfgContainer [2020-12-23 03:36:14,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 03:36:14,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 03:36:14,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 03:36:14,237 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 03:36:14,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:35:58" (3/4) ... [2020-12-23 03:36:14,242 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 03:36:14,264 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 03:36:14,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 03:36:14,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:36:14,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:36:14,449 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label04.c-witness.graphml [2020-12-23 03:36:14,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 03:36:14,451 INFO L168 Benchmark]: Toolchain (without parser) took 18375.21 ms. Allocated memory was 163.6 MB in the beginning and 524.3 MB in the end (delta: 360.7 MB). Free memory was 137.7 MB in the beginning and 294.8 MB in the end (delta: -157.1 MB). Peak memory consumption was 205.0 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:14,451 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 163.6 MB. Free memory is still 140.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 03:36:14,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.45 ms. Allocated memory is still 163.6 MB. Free memory was 137.7 MB in the beginning and 110.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:14,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.89 ms. Allocated memory is still 163.6 MB. Free memory was 110.5 MB in the beginning and 102.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:14,453 INFO L168 Benchmark]: Boogie Preprocessor took 87.21 ms. Allocated memory is still 163.6 MB. Free memory was 102.5 MB in the beginning and 97.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:14,454 INFO L168 Benchmark]: RCFGBuilder took 1601.70 ms. Allocated memory was 163.6 MB in the beginning and 251.7 MB in the end (delta: 88.1 MB). Free memory was 97.2 MB in the beginning and 185.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:14,456 INFO L168 Benchmark]: TraceAbstraction took 15655.60 ms. Allocated memory was 251.7 MB in the beginning and 524.3 MB in the end (delta: 272.6 MB). Free memory was 184.7 MB in the beginning and 309.4 MB in the end (delta: -124.7 MB). Peak memory consumption was 147.9 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:14,457 INFO L168 Benchmark]: Witness Printer took 212.25 ms. Allocated memory is still 524.3 MB. Free memory was 309.4 MB in the beginning and 294.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:14,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 163.6 MB. Free memory is still 140.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 688.45 ms. Allocated memory is still 163.6 MB. Free memory was 137.7 MB in the beginning and 110.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 119.89 ms. Allocated memory is still 163.6 MB. Free memory was 110.5 MB in the beginning and 102.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.21 ms. Allocated memory is still 163.6 MB. Free memory was 102.5 MB in the beginning and 97.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1601.70 ms. Allocated memory was 163.6 MB in the beginning and 251.7 MB in the end (delta: 88.1 MB). Free memory was 97.2 MB in the beginning and 185.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15655.60 ms. Allocated memory was 251.7 MB in the beginning and 524.3 MB in the end (delta: 272.6 MB). Free memory was 184.7 MB in the beginning and 309.4 MB in the end (delta: -124.7 MB). Peak memory consumption was 147.9 MB. Max. memory is 8.0 GB. * Witness Printer took 212.25 ms. Allocated memory is still 524.3 MB. Free memory was 309.4 MB in the beginning and 294.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 212]: 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) && a19 <= 9) && a10 == 4) || ((((14 == a4 && 7 <= a19) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4) || ((((14 == a4 && 7 <= a19) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.2s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1260 SDtfs, 1098 SDslu, 57 SDs, 0 SdLazy, 4455 SolverSat, 724 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 894 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=11, 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, 12 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 133 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1410 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 222 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3649 NumberOfCodeBlocks, 3649 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3634 ConstructedInterpolants, 0 QuantifiedInterpolants, 3454214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1217 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 2982/3231 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...