/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 03:37:02,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 03:37:02,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 03:37:02,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 03:37:02,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 03:37:02,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 03:37:02,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 03:37:02,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 03:37:02,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 03:37:02,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 03:37:02,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 03:37:02,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 03:37:02,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 03:37:02,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 03:37:02,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 03:37:02,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 03:37:02,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 03:37:02,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 03:37:02,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 03:37:02,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 03:37:02,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 03:37:02,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 03:37:02,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 03:37:02,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 03:37:02,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 03:37:02,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 03:37:02,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 03:37:02,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 03:37:02,469 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 03:37:02,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 03:37:02,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 03:37:02,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 03:37:02,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 03:37:02,529 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 03:37:02,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 03:37:02,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 03:37:02,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 03:37:02,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 03:37:02,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 03:37:02,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 03:37:02,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 03:37:02,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 03:37:02,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 03:37:02,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 03:37:02,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 03:37:02,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 03:37:02,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:37:02,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 03:37:02,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 03:37:02,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 03:37:02,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 03:37:02,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 03:37:02,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 03:37:02,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 03:37:02,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 03:37:02,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 03:37:02,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 03:37:02,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 03:37:02,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 03:37:02,959 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 03:37:02,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2020-12-23 03:37:03,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7471827a9/2127a866c23d4ad79796397147ed45d1/FLAGcb88183ee [2020-12-23 03:37:03,881 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 03:37:03,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2020-12-23 03:37:03,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7471827a9/2127a866c23d4ad79796397147ed45d1/FLAGcb88183ee [2020-12-23 03:37:04,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7471827a9/2127a866c23d4ad79796397147ed45d1 [2020-12-23 03:37:04,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 03:37:04,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 03:37:04,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 03:37:04,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 03:37:04,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 03:37:04,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f62bf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04, skipping insertion in model container [2020-12-23 03:37:04,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 03:37:04,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 03:37:04,396 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_label21.c[3267,3280] 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 03:37:04,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:37:04,663 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 03:37:04,685 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_label21.c[3267,3280] 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 03:37:04,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:37:04,797 INFO L208 MainTranslator]: Completed translation [2020-12-23 03:37:04,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04 WrapperNode [2020-12-23 03:37:04,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 03:37:04,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 03:37:04,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 03:37:04,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 03:37:04,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 03:37:04,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 03:37:04,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 03:37:04,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 03:37:04,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:04,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:05,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:05,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (1/1) ... [2020-12-23 03:37:05,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 03:37:05,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 03:37:05,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 03:37:05,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 03:37:05,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (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 03:37:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 03:37:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 03:37:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 03:37:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 03:37:06,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 03:37:06,745 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 03:37:06,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:37:06 BoogieIcfgContainer [2020-12-23 03:37:06,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 03:37:06,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 03:37:06,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 03:37:06,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 03:37:06,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:37:04" (1/3) ... [2020-12-23 03:37:06,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e84b86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:37:06, skipping insertion in model container [2020-12-23 03:37:06,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:04" (2/3) ... [2020-12-23 03:37:06,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e84b86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:37:06, skipping insertion in model container [2020-12-23 03:37:06,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:37:06" (3/3) ... [2020-12-23 03:37:06,757 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-12-23 03:37:06,764 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 03:37:06,769 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 03:37:06,788 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 03:37:06,815 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 03:37:06,816 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 03:37:06,816 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 03:37:06,816 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 03:37:06,816 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 03:37:06,817 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 03:37:06,817 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 03:37:06,817 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 03:37:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-23 03:37:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 03:37:06,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:06,845 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] [2020-12-23 03:37:06,846 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:06,852 INFO L82 PathProgramCache]: Analyzing trace with hash -438767135, now seen corresponding path program 1 times [2020-12-23 03:37:06,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:06,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305524041] [2020-12-23 03:37:06,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:07,163 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 03:37:07,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305524041] [2020-12-23 03:37:07,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:07,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:37:07,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976608864] [2020-12-23 03:37:07,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:07,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:07,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:07,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:07,190 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-23 03:37:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:08,156 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2020-12-23 03:37:08,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:08,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 03:37:08,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:08,193 INFO L225 Difference]: With dead ends: 552 [2020-12-23 03:37:08,193 INFO L226 Difference]: Without dead ends: 282 [2020-12-23 03:37:08,202 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 03:37:08,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-23 03:37:08,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-23 03:37:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-23 03:37:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-12-23 03:37:08,304 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 27 [2020-12-23 03:37:08,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:08,305 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-12-23 03:37:08,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:08,305 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-12-23 03:37:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 03:37:08,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:08,313 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:08,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 03:37:08,314 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:08,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:08,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1203353191, now seen corresponding path program 1 times [2020-12-23 03:37:08,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:08,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271201403] [2020-12-23 03:37:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:08,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271201403] [2020-12-23 03:37:08,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:08,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:37:08,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541168543] [2020-12-23 03:37:08,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:08,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:08,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:08,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:08,674 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-12-23 03:37:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:09,442 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-12-23 03:37:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:09,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 03:37:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:09,446 INFO L225 Difference]: With dead ends: 701 [2020-12-23 03:37:09,446 INFO L226 Difference]: Without dead ends: 421 [2020-12-23 03:37:09,448 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 03:37:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-23 03:37:09,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-23 03:37:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-23 03:37:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2020-12-23 03:37:09,470 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 96 [2020-12-23 03:37:09,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:09,471 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2020-12-23 03:37:09,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2020-12-23 03:37:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 03:37:09,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:09,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:09,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 03:37:09,474 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:09,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:09,475 INFO L82 PathProgramCache]: Analyzing trace with hash 541830856, now seen corresponding path program 1 times [2020-12-23 03:37:09,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:09,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250860275] [2020-12-23 03:37:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:09,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250860275] [2020-12-23 03:37:09,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:09,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:37:09,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762257100] [2020-12-23 03:37:09,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:09,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:09,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:09,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:09,602 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 3 states. [2020-12-23 03:37:10,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:10,331 INFO L93 Difference]: Finished difference Result 562 states and 822 transitions. [2020-12-23 03:37:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:10,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 03:37:10,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:10,337 INFO L225 Difference]: With dead ends: 562 [2020-12-23 03:37:10,337 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 03:37:10,337 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 03:37:10,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 03:37:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-12-23 03:37:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-23 03:37:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2020-12-23 03:37:10,356 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 102 [2020-12-23 03:37:10,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:10,357 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2020-12-23 03:37:10,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2020-12-23 03:37:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 03:37:10,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:10,361 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:37:10,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 03:37:10,361 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:10,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:10,362 INFO L82 PathProgramCache]: Analyzing trace with hash 557225786, now seen corresponding path program 1 times [2020-12-23 03:37:10,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:10,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777014088] [2020-12-23 03:37:10,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:10,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777014088] [2020-12-23 03:37:10,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:10,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:37:10,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552106722] [2020-12-23 03:37:10,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:37:10,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:10,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:37:10,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:37:10,652 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 4 states. [2020-12-23 03:37:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:11,524 INFO L93 Difference]: Finished difference Result 848 states and 1218 transitions. [2020-12-23 03:37:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 03:37:11,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 03:37:11,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:11,530 INFO L225 Difference]: With dead ends: 848 [2020-12-23 03:37:11,530 INFO L226 Difference]: Without dead ends: 429 [2020-12-23 03:37:11,532 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 03:37:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-12-23 03:37:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2020-12-23 03:37:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-23 03:37:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 576 transitions. [2020-12-23 03:37:11,561 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 576 transitions. Word has length 121 [2020-12-23 03:37:11,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:11,563 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 576 transitions. [2020-12-23 03:37:11,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:37:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions. [2020-12-23 03:37:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-23 03:37:11,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:11,575 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:37:11,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 03:37:11,576 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:11,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:11,577 INFO L82 PathProgramCache]: Analyzing trace with hash -772450203, now seen corresponding path program 1 times [2020-12-23 03:37:11,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:11,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263562222] [2020-12-23 03:37:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:11,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263562222] [2020-12-23 03:37:11,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:11,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:37:11,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911409986] [2020-12-23 03:37:11,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:11,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:11,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:11,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:11,801 INFO L87 Difference]: Start difference. First operand 421 states and 576 transitions. Second operand 3 states. [2020-12-23 03:37:12,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:12,485 INFO L93 Difference]: Finished difference Result 979 states and 1435 transitions. [2020-12-23 03:37:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:12,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-12-23 03:37:12,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:12,489 INFO L225 Difference]: With dead ends: 979 [2020-12-23 03:37:12,490 INFO L226 Difference]: Without dead ends: 699 [2020-12-23 03:37:12,491 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 03:37:12,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-23 03:37:12,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2020-12-23 03:37:12,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 03:37:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 725 transitions. [2020-12-23 03:37:12,506 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 725 transitions. Word has length 171 [2020-12-23 03:37:12,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:12,506 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 725 transitions. [2020-12-23 03:37:12,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 725 transitions. [2020-12-23 03:37:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-23 03:37:12,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:12,509 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 03:37:12,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 03:37:12,509 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:12,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:12,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1307497031, now seen corresponding path program 1 times [2020-12-23 03:37:12,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:12,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773168996] [2020-12-23 03:37:12,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:12,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773168996] [2020-12-23 03:37:12,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:12,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 03:37:12,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466042128] [2020-12-23 03:37:12,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 03:37:12,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:12,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 03:37:12,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:37:12,794 INFO L87 Difference]: Start difference. First operand 560 states and 725 transitions. Second operand 7 states. [2020-12-23 03:37:13,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:13,398 INFO L93 Difference]: Finished difference Result 1034 states and 1359 transitions. [2020-12-23 03:37:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 03:37:13,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-12-23 03:37:13,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:13,403 INFO L225 Difference]: With dead ends: 1034 [2020-12-23 03:37:13,403 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 03:37:13,405 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 03:37:13,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 03:37:13,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-23 03:37:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 03:37:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 722 transitions. [2020-12-23 03:37:13,424 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 722 transitions. Word has length 180 [2020-12-23 03:37:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:13,425 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 722 transitions. [2020-12-23 03:37:13,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 03:37:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 722 transitions. [2020-12-23 03:37:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-23 03:37:13,429 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:13,429 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:37:13,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 03:37:13,429 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:13,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:13,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1045562195, now seen corresponding path program 1 times [2020-12-23 03:37:13,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:13,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47962379] [2020-12-23 03:37:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:13,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47962379] [2020-12-23 03:37:13,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:13,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:37:13,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030473920] [2020-12-23 03:37:13,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:13,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:13,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:13,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:13,650 INFO L87 Difference]: Start difference. First operand 560 states and 722 transitions. Second operand 3 states. [2020-12-23 03:37:14,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:14,270 INFO L93 Difference]: Finished difference Result 1257 states and 1726 transitions. [2020-12-23 03:37:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:14,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-12-23 03:37:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:14,276 INFO L225 Difference]: With dead ends: 1257 [2020-12-23 03:37:14,276 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 03:37:14,277 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 03:37:14,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 03:37:14,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-12-23 03:37:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 03:37:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 896 transitions. [2020-12-23 03:37:14,294 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 896 transitions. Word has length 216 [2020-12-23 03:37:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:14,295 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 896 transitions. [2020-12-23 03:37:14,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 896 transitions. [2020-12-23 03:37:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-12-23 03:37:14,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:14,299 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 03:37:14,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 03:37:14,299 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:14,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:14,300 INFO L82 PathProgramCache]: Analyzing trace with hash 830928634, now seen corresponding path program 1 times [2020-12-23 03:37:14,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:14,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286445002] [2020-12-23 03:37:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 64 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:14,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286445002] [2020-12-23 03:37:14,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235735527] [2020-12-23 03:37:14,765 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 03:37:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:14,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:37:14,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:37:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-23 03:37:15,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:37:15,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2020-12-23 03:37:15,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279405205] [2020-12-23 03:37:15,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:15,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:15,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:15,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:37:15,505 INFO L87 Difference]: Start difference. First operand 699 states and 896 transitions. Second operand 3 states. [2020-12-23 03:37:16,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:16,196 INFO L93 Difference]: Finished difference Result 1535 states and 2034 transitions. [2020-12-23 03:37:16,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:16,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2020-12-23 03:37:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:16,202 INFO L225 Difference]: With dead ends: 1535 [2020-12-23 03:37:16,203 INFO L226 Difference]: Without dead ends: 977 [2020-12-23 03:37:16,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:37:16,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-23 03:37:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-12-23 03:37:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-23 03:37:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1213 transitions. [2020-12-23 03:37:16,227 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1213 transitions. Word has length 259 [2020-12-23 03:37:16,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:16,227 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1213 transitions. [2020-12-23 03:37:16,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1213 transitions. [2020-12-23 03:37:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-12-23 03:37:16,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:16,232 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:37:16,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-23 03:37:16,448 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:16,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:16,450 INFO L82 PathProgramCache]: Analyzing trace with hash -146994535, now seen corresponding path program 1 times [2020-12-23 03:37:16,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:16,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137461688] [2020-12-23 03:37:16,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 49 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:17,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137461688] [2020-12-23 03:37:17,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766856755] [2020-12-23 03:37:17,025 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 03:37:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:17,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:37:17,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:37:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-23 03:37:17,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:37:17,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 03:37:17,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890884139] [2020-12-23 03:37:17,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:17,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:17,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:17,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:37:17,444 INFO L87 Difference]: Start difference. First operand 977 states and 1213 transitions. Second operand 3 states. [2020-12-23 03:37:18,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:18,120 INFO L93 Difference]: Finished difference Result 1811 states and 2280 transitions. [2020-12-23 03:37:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:18,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2020-12-23 03:37:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:18,122 INFO L225 Difference]: With dead ends: 1811 [2020-12-23 03:37:18,123 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 03:37:18,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:37:18,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 03:37:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 03:37:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 03:37:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 03:37:18,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2020-12-23 03:37:18,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:18,126 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 03:37:18,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 03:37:18,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 03:37:18,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:37:18,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 03:37:18,514 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-23 03:37:18,514 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-23 03:37:18,514 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-23 03:37:18,514 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-23 03:37:18,514 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-23 03:37:18,514 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-23 03:37:18,515 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-23 03:37:18,516 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,517 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 03:37:18,518 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-23 03:37:18,519 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-23 03:37:18,520 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-23 03:37:18,521 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-23 03:37:18,522 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-23 03:37:18,523 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-23 03:37:18,524 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 03:37:18,525 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 03:37:18,526 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 03:37:18,526 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 03:37:18,526 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 (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-12-23 03:37:18,526 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-23 03:37:18,526 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-23 03:37:18,527 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-23 03:37:18,528 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,529 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-23 03:37:18,530 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-23 03:37:18,531 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-23 03:37:18,532 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-23 03:37:18,533 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-23 03:37:18,533 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 (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-12-23 03:37:18,533 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-23 03:37:18,533 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,533 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,533 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,533 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 03:37:18,534 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-23 03:37:18,535 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-23 03:37:18,536 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 03:37:18,537 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 03:37:18,537 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 03:37:18,537 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 03:37:18,537 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 03:37:18,537 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 03:37:18,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:37:18 BoogieIcfgContainer [2020-12-23 03:37:18,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 03:37:18,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 03:37:18,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 03:37:18,557 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 03:37:18,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:37:06" (3/4) ... [2020-12-23 03:37:18,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 03:37:18,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 03:37:18,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 03:37:18,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:37:18,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:37:18,787 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label21.c-witness.graphml [2020-12-23 03:37:18,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 03:37:18,789 INFO L168 Benchmark]: Toolchain (without parser) took 14697.32 ms. Allocated memory was 151.0 MB in the beginning and 298.8 MB in the end (delta: 147.8 MB). Free memory was 124.9 MB in the beginning and 154.2 MB in the end (delta: -29.3 MB). Peak memory consumption was 120.1 MB. Max. memory is 8.0 GB. [2020-12-23 03:37:18,789 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 03:37:18,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.17 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 97.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:37:18,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.01 ms. Allocated memory is still 151.0 MB. Free memory was 97.7 MB in the beginning and 89.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 03:37:18,791 INFO L168 Benchmark]: Boogie Preprocessor took 134.96 ms. Allocated memory is still 151.0 MB. Free memory was 89.9 MB in the beginning and 84.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:37:18,791 INFO L168 Benchmark]: RCFGBuilder took 1698.65 ms. Allocated memory is still 151.0 MB. Free memory was 84.6 MB in the beginning and 116.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 46.4 MB. Max. memory is 8.0 GB. [2020-12-23 03:37:18,792 INFO L168 Benchmark]: TraceAbstraction took 11806.60 ms. Allocated memory was 151.0 MB in the beginning and 298.8 MB in the end (delta: 147.8 MB). Free memory was 116.2 MB in the beginning and 169.4 MB in the end (delta: -53.2 MB). Peak memory consumption was 94.7 MB. Max. memory is 8.0 GB. [2020-12-23 03:37:18,792 INFO L168 Benchmark]: Witness Printer took 230.00 ms. Allocated memory is still 298.8 MB. Free memory was 169.4 MB in the beginning and 154.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 03:37:18,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 705.17 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 97.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 112.01 ms. Allocated memory is still 151.0 MB. Free memory was 97.7 MB in the beginning and 89.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.96 ms. Allocated memory is still 151.0 MB. Free memory was 89.9 MB in the beginning and 84.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1698.65 ms. Allocated memory is still 151.0 MB. Free memory was 84.6 MB in the beginning and 116.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 46.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11806.60 ms. Allocated memory was 151.0 MB in the beginning and 298.8 MB in the end (delta: 147.8 MB). Free memory was 116.2 MB in the beginning and 169.4 MB in the end (delta: -53.2 MB). Peak memory consumption was 94.7 MB. Max. memory is 8.0 GB. * Witness Printer took 230.00 ms. Allocated memory is still 298.8 MB. Free memory was 169.4 MB in the beginning and 154.2 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: 95]: 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: ((((8 <= a19 && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((8 <= a19 && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 859 SDtfs, 1036 SDslu, 50 SDs, 0 SdLazy, 3556 SolverSat, 654 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 562 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 425 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 21 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 541 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1975 NumberOfCodeBlocks, 1975 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1964 ConstructedInterpolants, 0 QuantifiedInterpolants, 2424484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 770 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 870/1079 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...