/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_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 03:36:28,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 03:36:28,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 03:36:28,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 03:36:28,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 03:36:28,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 03:36:28,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 03:36:28,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 03:36:28,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 03:36:28,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 03:36:28,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 03:36:28,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 03:36:28,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 03:36:28,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 03:36:28,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 03:36:28,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 03:36:28,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 03:36:28,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 03:36:28,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 03:36:28,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 03:36:28,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 03:36:28,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 03:36:28,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 03:36:28,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 03:36:29,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 03:36:29,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 03:36:29,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 03:36:29,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 03:36:29,016 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 03:36:29,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 03:36:29,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 03:36:29,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 03:36:29,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 03:36:29,046 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 03:36:29,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 03:36:29,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 03:36:29,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 03:36:29,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 03:36:29,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 03:36:29,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 03:36:29,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 03:36:29,049 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 03:36:29,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 03:36:29,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 03:36:29,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 03:36:29,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 03:36:29,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:36:29,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 03:36:29,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 03:36:29,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 03:36:29,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 03:36:29,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 03:36:29,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 03:36:29,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 03:36:29,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 03:36:29,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 03:36:29,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 03:36:29,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 03:36:29,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 03:36:29,495 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 03:36:29,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2020-12-23 03:36:29,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4a7e50dbd/079d03707c4442c494b0cdb13cf94ebd/FLAGa3a7be138 [2020-12-23 03:36:30,401 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 03:36:30,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2020-12-23 03:36:30,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4a7e50dbd/079d03707c4442c494b0cdb13cf94ebd/FLAGa3a7be138 [2020-12-23 03:36:30,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4a7e50dbd/079d03707c4442c494b0cdb13cf94ebd [2020-12-23 03:36:30,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 03:36:30,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 03:36:30,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 03:36:30,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 03:36:30,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 03:36:30,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:36:30" (1/1) ... [2020-12-23 03:36:30,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8540251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:30, skipping insertion in model container [2020-12-23 03:36:30,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:36:30" (1/1) ... [2020-12-23 03:36:30,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 03:36:30,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 03:36:30,992 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_label10.c[5544,5557] 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 03:36:31,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:36:31,250 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 03:36:31,316 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_label10.c[5544,5557] 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 03:36:31,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:36:31,524 INFO L208 MainTranslator]: Completed translation [2020-12-23 03:36:31,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31 WrapperNode [2020-12-23 03:36:31,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 03:36:31,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 03:36:31,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 03:36:31,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 03:36:31,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 03:36:31,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 03:36:31,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 03:36:31,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 03:36:31,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (1/1) ... [2020-12-23 03:36:31,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 03:36:31,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 03:36:31,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 03:36:31,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 03:36:31,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (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 03:36:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 03:36:31,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 03:36:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 03:36:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 03:36:33,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 03:36:33,355 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 03:36:33,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:36:33 BoogieIcfgContainer [2020-12-23 03:36:33,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 03:36:33,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 03:36:33,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 03:36:33,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 03:36:33,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:36:30" (1/3) ... [2020-12-23 03:36:33,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24946402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:36:33, skipping insertion in model container [2020-12-23 03:36:33,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:36:31" (2/3) ... [2020-12-23 03:36:33,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24946402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:36:33, skipping insertion in model container [2020-12-23 03:36:33,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:36:33" (3/3) ... [2020-12-23 03:36:33,367 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2020-12-23 03:36:33,374 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 03:36:33,379 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 03:36:33,399 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 03:36:33,429 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 03:36:33,429 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 03:36:33,429 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 03:36:33,430 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 03:36:33,430 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 03:36:33,430 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 03:36:33,430 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 03:36:33,430 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 03:36:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-23 03:36:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 03:36:33,460 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:33,461 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] [2020-12-23 03:36:33,461 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:33,468 INFO L82 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2020-12-23 03:36:33,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:33,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891852687] [2020-12-23 03:36:33,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:34,065 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 03:36:34,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891852687] [2020-12-23 03:36:34,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:34,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:34,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675910388] [2020-12-23 03:36:34,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:36:34,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:34,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:36:34,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:36:34,097 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2020-12-23 03:36:35,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:35,843 INFO L93 Difference]: Finished difference Result 696 states and 1248 transitions. [2020-12-23 03:36:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:36:35,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-12-23 03:36:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:35,867 INFO L225 Difference]: With dead ends: 696 [2020-12-23 03:36:35,868 INFO L226 Difference]: Without dead ends: 421 [2020-12-23 03:36:35,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:36:35,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-23 03:36:35,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-23 03:36:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-23 03:36:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2020-12-23 03:36:35,983 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 48 [2020-12-23 03:36:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:35,984 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2020-12-23 03:36:35,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:36:35,985 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2020-12-23 03:36:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-12-23 03:36:36,000 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:36,000 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:36,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 03:36:36,001 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:36,002 INFO L82 PathProgramCache]: Analyzing trace with hash -440548996, now seen corresponding path program 1 times [2020-12-23 03:36:36,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:36,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820833201] [2020-12-23 03:36:36,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-23 03:36:36,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820833201] [2020-12-23 03:36:36,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:36,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:36,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837137293] [2020-12-23 03:36:36,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:36,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:36,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:36,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:36,414 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 3 states. [2020-12-23 03:36:37,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:37,257 INFO L93 Difference]: Finished difference Result 979 states and 1440 transitions. [2020-12-23 03:36:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:37,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-12-23 03:36:37,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:37,280 INFO L225 Difference]: With dead ends: 979 [2020-12-23 03:36:37,280 INFO L226 Difference]: Without dead ends: 699 [2020-12-23 03:36:37,285 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 03:36:37,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-23 03:36:37,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2020-12-23 03:36:37,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 03:36:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 735 transitions. [2020-12-23 03:36:37,360 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 735 transitions. Word has length 229 [2020-12-23 03:36:37,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:37,361 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 735 transitions. [2020-12-23 03:36:37,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:37,361 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 735 transitions. [2020-12-23 03:36:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-23 03:36:37,375 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:37,375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:37,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 03:36:37,376 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:37,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:37,377 INFO L82 PathProgramCache]: Analyzing trace with hash 315219949, now seen corresponding path program 1 times [2020-12-23 03:36:37,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:37,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728036731] [2020-12-23 03:36:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-23 03:36:37,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728036731] [2020-12-23 03:36:37,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:37,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:36:37,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566811498] [2020-12-23 03:36:37,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:37,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:37,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:37,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:37,675 INFO L87 Difference]: Start difference. First operand 560 states and 735 transitions. Second operand 3 states. [2020-12-23 03:36:38,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:38,490 INFO L93 Difference]: Finished difference Result 1118 states and 1533 transitions. [2020-12-23 03:36:38,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:38,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-12-23 03:36:38,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:38,496 INFO L225 Difference]: With dead ends: 1118 [2020-12-23 03:36:38,496 INFO L226 Difference]: Without dead ends: 699 [2020-12-23 03:36:38,498 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 03:36:38,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-23 03:36:38,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-12-23 03:36:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 03:36:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 894 transitions. [2020-12-23 03:36:38,523 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 894 transitions. Word has length 235 [2020-12-23 03:36:38,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:38,524 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 894 transitions. [2020-12-23 03:36:38,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 894 transitions. [2020-12-23 03:36:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-12-23 03:36:38,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:38,533 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:38,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 03:36:38,534 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:38,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:38,535 INFO L82 PathProgramCache]: Analyzing trace with hash 285478694, now seen corresponding path program 1 times [2020-12-23 03:36:38,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:38,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648830503] [2020-12-23 03:36:38,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-23 03:36:38,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648830503] [2020-12-23 03:36:38,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:38,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:38,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095130791] [2020-12-23 03:36:38,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:38,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:38,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:38,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:38,878 INFO L87 Difference]: Start difference. First operand 699 states and 894 transitions. Second operand 3 states. [2020-12-23 03:36:39,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:39,504 INFO L93 Difference]: Finished difference Result 1396 states and 1831 transitions. [2020-12-23 03:36:39,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:39,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-12-23 03:36:39,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:39,512 INFO L225 Difference]: With dead ends: 1396 [2020-12-23 03:36:39,513 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 03:36:39,514 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 03:36:39,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 03:36:39,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-23 03:36:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-23 03:36:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1043 transitions. [2020-12-23 03:36:39,535 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1043 transitions. Word has length 303 [2020-12-23 03:36:39,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:39,536 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1043 transitions. [2020-12-23 03:36:39,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1043 transitions. [2020-12-23 03:36:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-12-23 03:36:39,542 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:39,543 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:36:39,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 03:36:39,543 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:39,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:39,544 INFO L82 PathProgramCache]: Analyzing trace with hash 450925144, now seen corresponding path program 1 times [2020-12-23 03:36:39,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:39,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992743476] [2020-12-23 03:36:39,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-12-23 03:36:39,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992743476] [2020-12-23 03:36:39,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:39,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 03:36:39,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554610276] [2020-12-23 03:36:39,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 03:36:39,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:39,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 03:36:39,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:36:39,987 INFO L87 Difference]: Start difference. First operand 838 states and 1043 transitions. Second operand 7 states. [2020-12-23 03:36:40,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:40,634 INFO L93 Difference]: Finished difference Result 1590 states and 1995 transitions. [2020-12-23 03:36:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 03:36:40,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2020-12-23 03:36:40,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:40,640 INFO L225 Difference]: With dead ends: 1590 [2020-12-23 03:36:40,640 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 03:36:40,642 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 03:36:40,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 03:36:40,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-23 03:36:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-23 03:36:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions. [2020-12-23 03:36:40,663 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 312 [2020-12-23 03:36:40,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:40,664 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions. [2020-12-23 03:36:40,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 03:36:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions. [2020-12-23 03:36:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-12-23 03:36:40,670 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:40,670 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:40,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 03:36:40,671 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:40,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:40,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1913104526, now seen corresponding path program 1 times [2020-12-23 03:36:40,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:40,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816004820] [2020-12-23 03:36:40,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 337 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:36:41,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816004820] [2020-12-23 03:36:41,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491939082] [2020-12-23 03:36:41,416 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 03:36:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:41,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:36:41,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:36:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-23 03:36:42,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:36:42,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 03:36:42,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211532714] [2020-12-23 03:36:42,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:42,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:42,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:42,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:36:42,240 INFO L87 Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand 3 states. [2020-12-23 03:36:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:42,970 INFO L93 Difference]: Finished difference Result 2091 states and 2637 transitions. [2020-12-23 03:36:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:42,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2020-12-23 03:36:42,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:42,979 INFO L225 Difference]: With dead ends: 2091 [2020-12-23 03:36:42,979 INFO L226 Difference]: Without dead ends: 1394 [2020-12-23 03:36:42,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 347 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 03:36:42,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-23 03:36:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-12-23 03:36:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-12-23 03:36:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1670 transitions. [2020-12-23 03:36:43,018 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1670 transitions. Word has length 348 [2020-12-23 03:36:43,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:43,019 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1670 transitions. [2020-12-23 03:36:43,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1670 transitions. [2020-12-23 03:36:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-12-23 03:36:43,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:43,029 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:43,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 03:36:43,243 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:43,245 INFO L82 PathProgramCache]: Analyzing trace with hash 204603150, now seen corresponding path program 1 times [2020-12-23 03:36:43,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:43,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110178140] [2020-12-23 03:36:43,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-12-23 03:36:43,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110178140] [2020-12-23 03:36:43,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:36:43,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:36:43,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811599733] [2020-12-23 03:36:43,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:43,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:43,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:43,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:36:43,581 INFO L87 Difference]: Start difference. First operand 1394 states and 1670 transitions. Second operand 3 states. [2020-12-23 03:36:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:44,265 INFO L93 Difference]: Finished difference Result 3064 states and 3736 transitions. [2020-12-23 03:36:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:44,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2020-12-23 03:36:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:44,274 INFO L225 Difference]: With dead ends: 3064 [2020-12-23 03:36:44,275 INFO L226 Difference]: Without dead ends: 1811 [2020-12-23 03:36:44,277 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 03:36:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-12-23 03:36:44,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672. [2020-12-23 03:36:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-12-23 03:36:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1973 transitions. [2020-12-23 03:36:44,316 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1973 transitions. Word has length 361 [2020-12-23 03:36:44,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:44,317 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1973 transitions. [2020-12-23 03:36:44,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1973 transitions. [2020-12-23 03:36:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-12-23 03:36:44,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:36:44,323 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:36:44,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 03:36:44,324 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:36:44,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:36:44,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1427530531, now seen corresponding path program 1 times [2020-12-23 03:36:44,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:36:44,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896330139] [2020-12-23 03:36:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:36:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 92 proven. 185 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-23 03:36:44,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896330139] [2020-12-23 03:36:44,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721110985] [2020-12-23 03:36:44,783 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 03:36:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:36:44,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:36:44,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:36:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-12-23 03:36:45,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:36:45,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-23 03:36:45,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775797475] [2020-12-23 03:36:45,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:36:45,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:36:45,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:36:45,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:36:45,341 INFO L87 Difference]: Start difference. First operand 1672 states and 1973 transitions. Second operand 3 states. [2020-12-23 03:36:46,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:36:46,063 INFO L93 Difference]: Finished difference Result 3618 states and 4365 transitions. [2020-12-23 03:36:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:36:46,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 362 [2020-12-23 03:36:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:36:46,064 INFO L225 Difference]: With dead ends: 3618 [2020-12-23 03:36:46,064 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 03:36:46,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:36:46,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 03:36:46,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 03:36:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 03:36:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 03:36:46,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2020-12-23 03:36:46,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:36:46,070 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 03:36:46,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:36:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 03:36:46,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 03:36:46,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:36:46,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 03:36:46,460 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-23 03:36:46,460 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-23 03:36:46,460 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-23 03:36:46,461 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-23 03:36:46,461 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-23 03:36:46,461 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-23 03:36:46,461 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,461 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,461 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,461 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,462 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,462 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,462 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-23 03:36:46,462 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 03:36:46,462 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 03:36:46,462 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 03:36:46,462 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-23 03:36:46,463 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-23 03:36:46,464 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 03:36:46,465 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,466 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,467 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-23 03:36:46,467 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-23 03:36:46,467 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-23 03:36:46,467 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 03:36:46,467 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 03:36:46,467 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 03:36:46,467 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,468 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 03:36:46,469 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 03:36:46,470 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 03:36:46,470 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 03:36:46,470 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 03:36:46,470 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-23 03:36:46,470 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-23 03:36:46,470 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-23 03:36:46,470 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-23 03:36:46,471 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-23 03:36:46,472 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-23 03:36:46,473 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-23 03:36:46,473 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-23 03:36:46,473 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,473 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,473 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,473 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,473 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,474 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-23 03:36:46,474 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 03:36:46,474 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 03:36:46,474 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 03:36:46,474 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 03:36:46,474 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 03:36:46,474 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 03:36:46,475 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (= ~a10~0 4)) (and (<= ~a10~0 0) .cse0 .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-12-23 03:36:46,475 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-23 03:36:46,475 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-23 03:36:46,475 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-23 03:36:46,476 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-23 03:36:46,476 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,476 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,476 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,476 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,476 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,476 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 03:36:46,477 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-23 03:36:46,478 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-23 03:36:46,478 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-23 03:36:46,478 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-23 03:36:46,478 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-23 03:36:46,478 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-23 03:36:46,478 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 03:36:46,478 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 03:36:46,479 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,480 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-23 03:36:46,481 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 03:36:46,482 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 03:36:46,482 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 03:36:46,482 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 03:36:46,482 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 03:36:46,482 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-23 03:36:46,482 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-23 03:36:46,482 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-23 03:36:46,483 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (= ~a10~0 4)) (and (<= ~a10~0 0) .cse0 .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-12-23 03:36:46,483 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-23 03:36:46,483 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,483 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,483 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,483 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,483 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 03:36:46,483 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,484 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,484 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-23 03:36:46,484 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-23 03:36:46,484 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-23 03:36:46,484 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 03:36:46,484 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 03:36:46,484 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-23 03:36:46,485 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:36:46,486 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 03:36:46,487 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 03:36:46,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:36:46 BoogieIcfgContainer [2020-12-23 03:36:46,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 03:36:46,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 03:36:46,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 03:36:46,513 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 03:36:46,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:36:33" (3/4) ... [2020-12-23 03:36:46,518 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 03:36:46,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 03:36:46,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 03:36:46,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:36:46,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:36:46,714 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label10.c-witness.graphml [2020-12-23 03:36:46,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 03:36:46,716 INFO L168 Benchmark]: Toolchain (without parser) took 16066.83 ms. Allocated memory was 151.0 MB in the beginning and 435.2 MB in the end (delta: 284.2 MB). Free memory was 125.5 MB in the beginning and 366.0 MB in the end (delta: -240.5 MB). Peak memory consumption was 44.6 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:46,717 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 03:36:46,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.13 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 129.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:46,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.49 ms. Allocated memory is still 151.0 MB. Free memory was 129.3 MB in the beginning and 121.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:46,719 INFO L168 Benchmark]: Boogie Preprocessor took 94.80 ms. Allocated memory is still 151.0 MB. Free memory was 121.4 MB in the beginning and 116.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:46,719 INFO L168 Benchmark]: RCFGBuilder took 1634.67 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 75.7 MB in the end (delta: 40.5 MB). Peak memory consumption was 58.3 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:46,720 INFO L168 Benchmark]: TraceAbstraction took 13152.52 ms. Allocated memory was 151.0 MB in the beginning and 435.2 MB in the end (delta: 284.2 MB). Free memory was 75.7 MB in the beginning and 381.2 MB in the end (delta: -305.5 MB). Peak memory consumption was 163.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:46,720 INFO L168 Benchmark]: Witness Printer took 201.79 ms. Allocated memory is still 435.2 MB. Free memory was 381.2 MB in the beginning and 366.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 03:36:46,723 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 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 873.13 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 129.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 98.49 ms. Allocated memory is still 151.0 MB. Free memory was 129.3 MB in the beginning and 121.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 94.80 ms. Allocated memory is still 151.0 MB. Free memory was 121.4 MB in the beginning and 116.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1634.67 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 75.7 MB in the end (delta: 40.5 MB). Peak memory consumption was 58.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13152.52 ms. Allocated memory was 151.0 MB in the beginning and 435.2 MB in the end (delta: 284.2 MB). Free memory was 75.7 MB in the beginning and 381.2 MB in the end (delta: -305.5 MB). Peak memory consumption was 163.2 MB. Max. memory is 8.0 GB. * Witness Printer took 201.79 ms. Allocated memory is still 435.2 MB. Free memory was 381.2 MB in the beginning and 366.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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) && a10 == 4) || ((a10 <= 0 && 14 == a4) && a12 == 0)) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a10 == 4) || ((a10 <= 0 && 14 == a4) && a12 == 0)) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - 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: 12.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 987 SDtfs, 1131 SDslu, 46 SDs, 0 SdLazy, 3309 SolverSat, 704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 739 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=7, 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, 8 MinimizatonAttempts, 278 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 38 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 500 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2908 NumberOfCodeBlocks, 2908 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2898 ConstructedInterpolants, 0 QuantifiedInterpolants, 3032269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1002 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2751/2981 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...