/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/Problem14_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 14:10:55,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 14:10:55,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 14:10:55,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 14:10:55,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 14:10:55,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 14:10:55,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 14:10:55,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 14:10:55,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 14:10:55,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 14:10:55,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 14:10:55,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 14:10:55,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 14:10:55,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 14:10:55,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 14:10:55,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 14:10:55,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 14:10:55,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 14:10:55,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 14:10:55,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 14:10:55,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 14:10:55,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 14:10:55,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 14:10:55,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 14:10:55,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 14:10:55,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 14:10:55,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 14:10:55,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 14:10:55,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 14:10:55,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 14:10:55,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 14:10:55,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 14:10:55,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 14:10:55,682 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 14:10:55,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 14:10:55,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 14:10:55,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 14:10:55,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 14:10:55,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 14:10:55,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 14:10:55,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 14:10:55,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 14:10:55,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 14:10:55,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 14:10:55,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 14:10:55,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 14:10:55,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 14:10:55,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 14:10:55,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 14:10:55,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 14:10:55,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 14:10:55,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 14:10:55,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 14:10:55,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 14:10:55,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 14:10:56,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 14:10:56,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 14:10:56,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 14:10:56,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 14:10:56,182 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 14:10:56,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2021-01-06 14:10:56,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/63e82481f/930fee2d221146d281b6661533e17827/FLAG82df7ee20 [2021-01-06 14:10:57,009 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 14:10:57,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2021-01-06 14:10:57,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/63e82481f/930fee2d221146d281b6661533e17827/FLAG82df7ee20 [2021-01-06 14:10:57,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/63e82481f/930fee2d221146d281b6661533e17827 [2021-01-06 14:10:57,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 14:10:57,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 14:10:57,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 14:10:57,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 14:10:57,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 14:10:57,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:10:57" (1/1) ... [2021-01-06 14:10:57,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffb85a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:57, skipping insertion in model container [2021-01-06 14:10:57,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:10:57" (1/1) ... [2021-01-06 14:10:57,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 14:10:57,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 14:10:57,691 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/Problem14_label03.c[5277,5290] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:10:57,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:10:57,987 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 14:10:58,013 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/Problem14_label03.c[5277,5290] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:10:58,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:10:58,132 INFO L208 MainTranslator]: Completed translation [2021-01-06 14:10:58,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58 WrapperNode [2021-01-06 14:10:58,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 14:10:58,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 14:10:58,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 14:10:58,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 14:10:58,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 14:10:58,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 14:10:58,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 14:10:58,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 14:10:58,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... [2021-01-06 14:10:58,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 14:10:58,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 14:10:58,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 14:10:58,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 14:10:58,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 14:10:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 14:10:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 14:10:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 14:10:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 14:11:00,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 14:11:00,203 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 14:11:00,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:11:00 BoogieIcfgContainer [2021-01-06 14:11:00,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 14:11:00,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 14:11:00,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 14:11:00,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 14:11:00,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 02:10:57" (1/3) ... [2021-01-06 14:11:00,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e9b061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:11:00, skipping insertion in model container [2021-01-06 14:11:00,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:10:58" (2/3) ... [2021-01-06 14:11:00,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e9b061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:11:00, skipping insertion in model container [2021-01-06 14:11:00,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:11:00" (3/3) ... [2021-01-06 14:11:00,218 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label03.c [2021-01-06 14:11:00,227 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 14:11:00,233 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 14:11:00,257 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 14:11:00,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 14:11:00,290 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 14:11:00,290 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 14:11:00,290 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 14:11:00,290 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 14:11:00,291 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 14:11:00,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 14:11:00,291 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 14:11:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2021-01-06 14:11:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 14:11:00,322 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:00,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:00,323 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:00,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:00,330 INFO L82 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2021-01-06 14:11:00,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:00,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530852587] [2021-01-06 14:11:00,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:00,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:11:00,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530852587] [2021-01-06 14:11:00,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:00,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 14:11:00,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798726843] [2021-01-06 14:11:00,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:00,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:00,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:00,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:00,745 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2021-01-06 14:11:02,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:02,132 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2021-01-06 14:11:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:02,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 14:11:02,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:02,151 INFO L225 Difference]: With dead ends: 669 [2021-01-06 14:11:02,152 INFO L226 Difference]: Without dead ends: 360 [2021-01-06 14:11:02,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:02,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-01-06 14:11:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-01-06 14:11:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2021-01-06 14:11:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2021-01-06 14:11:02,230 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 51 [2021-01-06 14:11:02,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:02,231 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2021-01-06 14:11:02,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2021-01-06 14:11:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-01-06 14:11:02,236 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:02,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:02,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 14:11:02,237 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:02,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:02,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1750650828, now seen corresponding path program 1 times [2021-01-06 14:11:02,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:02,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084043635] [2021-01-06 14:11:02,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:11:02,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084043635] [2021-01-06 14:11:02,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:02,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 14:11:02,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645537926] [2021-01-06 14:11:02,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:02,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:02,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:02,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:02,465 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2021-01-06 14:11:03,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:03,593 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2021-01-06 14:11:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:03,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2021-01-06 14:11:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:03,601 INFO L225 Difference]: With dead ends: 1074 [2021-01-06 14:11:03,602 INFO L226 Difference]: Without dead ends: 716 [2021-01-06 14:11:03,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:03,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-01-06 14:11:03,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2021-01-06 14:11:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2021-01-06 14:11:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 838 transitions. [2021-01-06 14:11:03,674 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 838 transitions. Word has length 116 [2021-01-06 14:11:03,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:03,675 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 838 transitions. [2021-01-06 14:11:03,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 838 transitions. [2021-01-06 14:11:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-01-06 14:11:03,682 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:03,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:03,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 14:11:03,683 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:03,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:03,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1002073487, now seen corresponding path program 1 times [2021-01-06 14:11:03,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:03,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681003064] [2021-01-06 14:11:03,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:11:03,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681003064] [2021-01-06 14:11:03,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:03,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:11:03,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469916638] [2021-01-06 14:11:03,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:11:03,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:03,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:11:03,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:11:03,903 INFO L87 Difference]: Start difference. First operand 538 states and 838 transitions. Second operand 4 states. [2021-01-06 14:11:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:05,672 INFO L93 Difference]: Finished difference Result 1788 states and 2802 transitions. [2021-01-06 14:11:05,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:11:05,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2021-01-06 14:11:05,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:05,680 INFO L225 Difference]: With dead ends: 1788 [2021-01-06 14:11:05,680 INFO L226 Difference]: Without dead ends: 1252 [2021-01-06 14:11:05,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:11:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2021-01-06 14:11:05,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2021-01-06 14:11:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2021-01-06 14:11:05,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1617 transitions. [2021-01-06 14:11:05,712 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1617 transitions. Word has length 130 [2021-01-06 14:11:05,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:05,713 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1617 transitions. [2021-01-06 14:11:05,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:11:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1617 transitions. [2021-01-06 14:11:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-01-06 14:11:05,717 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:05,718 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 14:11:05,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 14:11:05,718 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:05,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:05,719 INFO L82 PathProgramCache]: Analyzing trace with hash 313256988, now seen corresponding path program 1 times [2021-01-06 14:11:05,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:05,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856349322] [2021-01-06 14:11:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-01-06 14:11:05,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856349322] [2021-01-06 14:11:05,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:05,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:11:05,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116548663] [2021-01-06 14:11:05,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:11:05,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:05,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:11:05,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:11:05,986 INFO L87 Difference]: Start difference. First operand 1250 states and 1617 transitions. Second operand 4 states. [2021-01-06 14:11:07,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:07,251 INFO L93 Difference]: Finished difference Result 2707 states and 3620 transitions. [2021-01-06 14:11:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:11:07,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2021-01-06 14:11:07,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:07,261 INFO L225 Difference]: With dead ends: 2707 [2021-01-06 14:11:07,262 INFO L226 Difference]: Without dead ends: 1608 [2021-01-06 14:11:07,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:11:07,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2021-01-06 14:11:07,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2021-01-06 14:11:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2021-01-06 14:11:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1825 transitions. [2021-01-06 14:11:07,302 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1825 transitions. Word has length 210 [2021-01-06 14:11:07,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:07,303 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1825 transitions. [2021-01-06 14:11:07,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:11:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1825 transitions. [2021-01-06 14:11:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-01-06 14:11:07,308 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:07,308 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:07,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 14:11:07,309 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:07,310 INFO L82 PathProgramCache]: Analyzing trace with hash 514746580, now seen corresponding path program 1 times [2021-01-06 14:11:07,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:07,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126057114] [2021-01-06 14:11:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-01-06 14:11:07,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126057114] [2021-01-06 14:11:07,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:07,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:11:07,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947016036] [2021-01-06 14:11:07,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:07,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:07,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:07,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:07,679 INFO L87 Difference]: Start difference. First operand 1606 states and 1825 transitions. Second operand 3 states. [2021-01-06 14:11:08,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:08,609 INFO L93 Difference]: Finished difference Result 3210 states and 3695 transitions. [2021-01-06 14:11:08,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:08,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2021-01-06 14:11:08,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:08,621 INFO L225 Difference]: With dead ends: 3210 [2021-01-06 14:11:08,621 INFO L226 Difference]: Without dead ends: 1784 [2021-01-06 14:11:08,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:08,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2021-01-06 14:11:08,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2021-01-06 14:11:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2021-01-06 14:11:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2032 transitions. [2021-01-06 14:11:08,665 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2032 transitions. Word has length 341 [2021-01-06 14:11:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:08,666 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2032 transitions. [2021-01-06 14:11:08,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2032 transitions. [2021-01-06 14:11:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-01-06 14:11:08,674 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:08,674 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:08,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 14:11:08,675 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:08,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:08,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1530675252, now seen corresponding path program 1 times [2021-01-06 14:11:08,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:08,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124835964] [2021-01-06 14:11:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 201 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-01-06 14:11:09,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124835964] [2021-01-06 14:11:09,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138044121] [2021-01-06 14:11:09,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:09,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:11:09,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:11:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-01-06 14:11:10,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:11:10,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 14:11:10,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850965954] [2021-01-06 14:11:10,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:10,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:10,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:10,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:11:10,020 INFO L87 Difference]: Start difference. First operand 1784 states and 2032 transitions. Second operand 3 states. [2021-01-06 14:11:10,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:10,882 INFO L93 Difference]: Finished difference Result 3744 states and 4387 transitions. [2021-01-06 14:11:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:10,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2021-01-06 14:11:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:10,896 INFO L225 Difference]: With dead ends: 3744 [2021-01-06 14:11:10,897 INFO L226 Difference]: Without dead ends: 2140 [2021-01-06 14:11:10,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:11:10,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-01-06 14:11:10,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2021-01-06 14:11:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:11:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2410 transitions. [2021-01-06 14:11:10,957 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2410 transitions. Word has length 344 [2021-01-06 14:11:10,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:10,959 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2410 transitions. [2021-01-06 14:11:10,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2410 transitions. [2021-01-06 14:11:10,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-01-06 14:11:10,969 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:10,969 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:11,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 14:11:11,185 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:11,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:11,188 INFO L82 PathProgramCache]: Analyzing trace with hash 262542689, now seen corresponding path program 1 times [2021-01-06 14:11:11,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:11,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791086818] [2021-01-06 14:11:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-01-06 14:11:11,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791086818] [2021-01-06 14:11:11,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:11,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:11:11,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231371528] [2021-01-06 14:11:11,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:11:11,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:11,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:11:11,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:11:11,794 INFO L87 Difference]: Start difference. First operand 2140 states and 2410 transitions. Second operand 4 states. [2021-01-06 14:11:12,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:12,840 INFO L93 Difference]: Finished difference Result 4307 states and 4869 transitions. [2021-01-06 14:11:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:11:12,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 421 [2021-01-06 14:11:12,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:12,854 INFO L225 Difference]: With dead ends: 4307 [2021-01-06 14:11:12,854 INFO L226 Difference]: Without dead ends: 2318 [2021-01-06 14:11:12,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:11:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2021-01-06 14:11:12,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2021-01-06 14:11:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:11:12,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2328 transitions. [2021-01-06 14:11:12,909 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2328 transitions. Word has length 421 [2021-01-06 14:11:12,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:12,910 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2328 transitions. [2021-01-06 14:11:12,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:11:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2328 transitions. [2021-01-06 14:11:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-01-06 14:11:12,919 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:12,920 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:12,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 14:11:12,920 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:12,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:12,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1515068160, now seen corresponding path program 2 times [2021-01-06 14:11:12,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:12,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042162188] [2021-01-06 14:11:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:11:13,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042162188] [2021-01-06 14:11:13,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:13,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:11:13,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422193915] [2021-01-06 14:11:13,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:13,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:13,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:13,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:13,379 INFO L87 Difference]: Start difference. First operand 2140 states and 2328 transitions. Second operand 3 states. [2021-01-06 14:11:14,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:14,204 INFO L93 Difference]: Finished difference Result 4456 states and 4912 transitions. [2021-01-06 14:11:14,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:14,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 447 [2021-01-06 14:11:14,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:14,217 INFO L225 Difference]: With dead ends: 4456 [2021-01-06 14:11:14,217 INFO L226 Difference]: Without dead ends: 2496 [2021-01-06 14:11:14,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:14,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-01-06 14:11:14,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2021-01-06 14:11:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:11:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2326 transitions. [2021-01-06 14:11:14,268 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2326 transitions. Word has length 447 [2021-01-06 14:11:14,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:14,269 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2326 transitions. [2021-01-06 14:11:14,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2326 transitions. [2021-01-06 14:11:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-01-06 14:11:14,279 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:14,280 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:14,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 14:11:14,280 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:14,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:14,281 INFO L82 PathProgramCache]: Analyzing trace with hash 284431623, now seen corresponding path program 1 times [2021-01-06 14:11:14,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:14,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950698862] [2021-01-06 14:11:14,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:11:14,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950698862] [2021-01-06 14:11:14,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:14,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:11:14,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66020971] [2021-01-06 14:11:14,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:14,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:14,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:14,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:14,631 INFO L87 Difference]: Start difference. First operand 2140 states and 2326 transitions. Second operand 3 states. [2021-01-06 14:11:15,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:15,485 INFO L93 Difference]: Finished difference Result 4990 states and 5486 transitions. [2021-01-06 14:11:15,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:15,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 454 [2021-01-06 14:11:15,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:15,501 INFO L225 Difference]: With dead ends: 4990 [2021-01-06 14:11:15,501 INFO L226 Difference]: Without dead ends: 3030 [2021-01-06 14:11:15,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:15,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-01-06 14:11:15,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2021-01-06 14:11:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-01-06 14:11:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2021-01-06 14:11:15,571 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 454 [2021-01-06 14:11:15,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:15,572 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2021-01-06 14:11:15,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:15,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2021-01-06 14:11:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-01-06 14:11:15,577 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:15,578 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 14:11:15,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 14:11:15,579 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:15,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:15,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1246091326, now seen corresponding path program 1 times [2021-01-06 14:11:15,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:15,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722116727] [2021-01-06 14:11:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 445 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-01-06 14:11:16,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722116727] [2021-01-06 14:11:16,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678008616] [2021-01-06 14:11:16,374 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 [2021-01-06 14:11:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:16,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:11:16,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:11:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-01-06 14:11:17,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:11:17,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:11:17,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188724990] [2021-01-06 14:11:17,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:17,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:17,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:17,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:17,125 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2021-01-06 14:11:17,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:17,871 INFO L93 Difference]: Finished difference Result 3566 states and 3844 transitions. [2021-01-06 14:11:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:17,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2021-01-06 14:11:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:17,886 INFO L225 Difference]: With dead ends: 3566 [2021-01-06 14:11:17,887 INFO L226 Difference]: Without dead ends: 3564 [2021-01-06 14:11:17,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2021-01-06 14:11:17,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 2852. [2021-01-06 14:11:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-01-06 14:11:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2021-01-06 14:11:17,951 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 499 [2021-01-06 14:11:17,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:17,952 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2021-01-06 14:11:17,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2021-01-06 14:11:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-01-06 14:11:17,958 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:17,959 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:18,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 14:11:18,173 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:18,175 INFO L82 PathProgramCache]: Analyzing trace with hash 811415467, now seen corresponding path program 1 times [2021-01-06 14:11:18,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:18,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365834298] [2021-01-06 14:11:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 314 proven. 195 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-01-06 14:11:19,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365834298] [2021-01-06 14:11:19,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042822639] [2021-01-06 14:11:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:19,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:11:19,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:11:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2021-01-06 14:11:20,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:11:20,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:11:20,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864303130] [2021-01-06 14:11:20,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:20,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:20,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:20,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:20,526 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2021-01-06 14:11:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:21,391 INFO L93 Difference]: Finished difference Result 3210 states and 3525 transitions. [2021-01-06 14:11:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:21,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 581 [2021-01-06 14:11:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:21,407 INFO L225 Difference]: With dead ends: 3210 [2021-01-06 14:11:21,407 INFO L226 Difference]: Without dead ends: 3208 [2021-01-06 14:11:21,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:21,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-01-06 14:11:21,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2021-01-06 14:11:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-01-06 14:11:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3086 transitions. [2021-01-06 14:11:21,472 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3086 transitions. Word has length 581 [2021-01-06 14:11:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:21,473 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3086 transitions. [2021-01-06 14:11:21,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3086 transitions. [2021-01-06 14:11:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2021-01-06 14:11:21,482 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:21,482 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:21,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 14:11:21,696 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:21,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:21,697 INFO L82 PathProgramCache]: Analyzing trace with hash -428498160, now seen corresponding path program 1 times [2021-01-06 14:11:21,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:21,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67499148] [2021-01-06 14:11:21,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 926 proven. 195 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-01-06 14:11:22,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67499148] [2021-01-06 14:11:22,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711037558] [2021-01-06 14:11:22,893 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:23,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:11:23,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:11:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2021-01-06 14:11:23,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:11:23,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:11:23,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213172923] [2021-01-06 14:11:23,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:23,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:23,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:23,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:23,876 INFO L87 Difference]: Start difference. First operand 2852 states and 3086 transitions. Second operand 3 states. [2021-01-06 14:11:24,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:24,806 INFO L93 Difference]: Finished difference Result 6770 states and 7406 transitions. [2021-01-06 14:11:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:24,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 628 [2021-01-06 14:11:24,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:24,823 INFO L225 Difference]: With dead ends: 6770 [2021-01-06 14:11:24,824 INFO L226 Difference]: Without dead ends: 4098 [2021-01-06 14:11:24,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:24,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2021-01-06 14:11:24,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2021-01-06 14:11:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2021-01-06 14:11:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4259 transitions. [2021-01-06 14:11:24,917 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4259 transitions. Word has length 628 [2021-01-06 14:11:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:24,917 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4259 transitions. [2021-01-06 14:11:24,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4259 transitions. [2021-01-06 14:11:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-01-06 14:11:24,927 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:24,928 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:25,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:25,142 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:25,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:25,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1486305880, now seen corresponding path program 1 times [2021-01-06 14:11:25,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:25,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735771567] [2021-01-06 14:11:25,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 970 proven. 195 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-01-06 14:11:26,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735771567] [2021-01-06 14:11:26,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559072906] [2021-01-06 14:11:26,172 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:26,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:11:26,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:11:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2021-01-06 14:11:27,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:11:27,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-01-06 14:11:27,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452500885] [2021-01-06 14:11:27,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:27,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:27,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:27,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:27,814 INFO L87 Difference]: Start difference. First operand 3920 states and 4259 transitions. Second operand 3 states. [2021-01-06 14:11:28,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:28,595 INFO L93 Difference]: Finished difference Result 7838 states and 8530 transitions. [2021-01-06 14:11:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:28,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 653 [2021-01-06 14:11:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:28,613 INFO L225 Difference]: With dead ends: 7838 [2021-01-06 14:11:28,613 INFO L226 Difference]: Without dead ends: 4098 [2021-01-06 14:11:28,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:28,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2021-01-06 14:11:28,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2021-01-06 14:11:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2021-01-06 14:11:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4428 transitions. [2021-01-06 14:11:28,701 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4428 transitions. Word has length 653 [2021-01-06 14:11:28,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:28,702 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4428 transitions. [2021-01-06 14:11:28,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4428 transitions. [2021-01-06 14:11:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2021-01-06 14:11:28,710 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:28,711 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 14:11:28,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-06 14:11:28,927 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:28,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:28,928 INFO L82 PathProgramCache]: Analyzing trace with hash -590297812, now seen corresponding path program 1 times [2021-01-06 14:11:28,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:28,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815799722] [2021-01-06 14:11:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 966 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-01-06 14:11:29,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815799722] [2021-01-06 14:11:29,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:11:29,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:11:29,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998934215] [2021-01-06 14:11:29,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:29,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:29,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:29,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:29,631 INFO L87 Difference]: Start difference. First operand 4098 states and 4428 transitions. Second operand 3 states. [2021-01-06 14:11:30,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:30,458 INFO L93 Difference]: Finished difference Result 8550 states and 9293 transitions. [2021-01-06 14:11:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:30,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 675 [2021-01-06 14:11:30,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:30,472 INFO L225 Difference]: With dead ends: 8550 [2021-01-06 14:11:30,473 INFO L226 Difference]: Without dead ends: 4632 [2021-01-06 14:11:30,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:11:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2021-01-06 14:11:30,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 4632. [2021-01-06 14:11:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2021-01-06 14:11:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4950 transitions. [2021-01-06 14:11:30,565 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4950 transitions. Word has length 675 [2021-01-06 14:11:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:30,566 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 4950 transitions. [2021-01-06 14:11:30,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4950 transitions. [2021-01-06 14:11:30,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2021-01-06 14:11:30,578 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:30,579 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:11:30,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 14:11:30,579 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:30,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:30,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1386667544, now seen corresponding path program 1 times [2021-01-06 14:11:30,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:30,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234055029] [2021-01-06 14:11:30,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 1463 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-01-06 14:11:31,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234055029] [2021-01-06 14:11:31,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231141845] [2021-01-06 14:11:31,631 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:31,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:11:31,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:11:33,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 1463 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-01-06 14:11:33,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 14:11:33,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 14:11:33,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226942803] [2021-01-06 14:11:33,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:11:33,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:33,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:11:33,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:11:33,141 INFO L87 Difference]: Start difference. First operand 4632 states and 4950 transitions. Second operand 4 states. [2021-01-06 14:11:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:34,354 INFO L93 Difference]: Finished difference Result 10152 states and 10858 transitions. [2021-01-06 14:11:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:11:34,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 830 [2021-01-06 14:11:34,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:34,367 INFO L225 Difference]: With dead ends: 10152 [2021-01-06 14:11:34,367 INFO L226 Difference]: Without dead ends: 5700 [2021-01-06 14:11:34,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:11:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2021-01-06 14:11:34,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5344. [2021-01-06 14:11:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2021-01-06 14:11:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5692 transitions. [2021-01-06 14:11:34,488 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5692 transitions. Word has length 830 [2021-01-06 14:11:34,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:34,489 INFO L481 AbstractCegarLoop]: Abstraction has 5344 states and 5692 transitions. [2021-01-06 14:11:34,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:11:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5692 transitions. [2021-01-06 14:11:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2021-01-06 14:11:34,501 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:11:34,501 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 14:11:34,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:34,715 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:11:34,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:11:34,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1338545778, now seen corresponding path program 1 times [2021-01-06 14:11:34,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:11:34,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624483460] [2021-01-06 14:11:34,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:11:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1800 proven. 260 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-01-06 14:11:36,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624483460] [2021-01-06 14:11:36,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200632051] [2021-01-06 14:11:36,220 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:11:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:11:36,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:11:36,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:11:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1851 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-01-06 14:11:37,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:11:37,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:11:37,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001260326] [2021-01-06 14:11:37,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:11:37,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:11:37,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:11:37,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:37,913 INFO L87 Difference]: Start difference. First operand 5344 states and 5692 transitions. Second operand 3 states. [2021-01-06 14:11:38,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:11:38,733 INFO L93 Difference]: Finished difference Result 10684 states and 11390 transitions. [2021-01-06 14:11:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:11:38,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 881 [2021-01-06 14:11:38,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:11:38,738 INFO L225 Difference]: With dead ends: 10684 [2021-01-06 14:11:38,738 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 14:11:38,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:11:38,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 14:11:38,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 14:11:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 14:11:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 14:11:38,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 881 [2021-01-06 14:11:38,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:11:38,751 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 14:11:38,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:11:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 14:11:38,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 14:11:38,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-06 14:11:38,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 14:11:39,236 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2021-01-06 14:11:39,396 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-01-06 14:11:39,400 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-01-06 14:11:39,401 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 14:11:39,402 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 14:11:39,402 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 14:11:39,402 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-01-06 14:11:39,402 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-01-06 14:11:39,402 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-01-06 14:11:39,402 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-01-06 14:11:39,403 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-01-06 14:11:39,404 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,405 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,406 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,407 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,408 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,409 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-01-06 14:11:39,410 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-01-06 14:11:39,411 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-01-06 14:11:39,412 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-01-06 14:11:39,413 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,414 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-01-06 14:11:39,415 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-01-06 14:11:39,416 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,417 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,418 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 8)) (.cse2 (= ~a24~0 1))) (or (and .cse0 (<= ~a12~0 11) .cse1) (and .cse0 (<= ~a24~0 1) .cse1) (and (< 0 (+ ~a12~0 43)) .cse2) (and (<= 6 ~a15~0) .cse2) (and (<= (+ ~a12~0 49) 0) .cse2 (<= ~a21~0 9)))) [2021-01-06 14:11:39,418 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-01-06 14:11:39,418 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-01-06 14:11:39,418 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 14:11:39,418 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 14:11:39,418 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-01-06 14:11:39,419 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-01-06 14:11:39,420 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,421 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 8)) (.cse2 (= ~a24~0 1))) (or (and .cse0 (<= ~a12~0 11) .cse1) (and .cse0 (<= ~a24~0 1) .cse1) (and (< 0 (+ ~a12~0 43)) .cse2) (and (<= 6 ~a15~0) .cse2) (and (<= (+ ~a12~0 49) 0) .cse2 (<= ~a21~0 9)))) [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-01-06 14:11:39,422 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,423 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,423 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:11:39,423 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-01-06 14:11:39,423 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 14:11:39,423 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 14:11:39,423 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 14:11:39,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 02:11:39 BoogieIcfgContainer [2021-01-06 14:11:39,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 14:11:39,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 14:11:39,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 14:11:39,446 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 14:11:39,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:11:00" (3/4) ... [2021-01-06 14:11:39,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 14:11:39,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 14:11:39,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 14:11:39,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:11:39,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:11:39,657 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label03.c-witness.graphml [2021-01-06 14:11:39,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 14:11:39,658 INFO L168 Benchmark]: Toolchain (without parser) took 42400.69 ms. Allocated memory was 158.3 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 131.5 MB in the beginning and 949.5 MB in the end (delta: -818.0 MB). Peak memory consumption was 356.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:11:39,659 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 158.3 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 14:11:39,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.23 ms. Allocated memory is still 158.3 MB. Free memory was 131.1 MB in the beginning and 99.0 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-01-06 14:11:39,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.99 ms. Allocated memory is still 158.3 MB. Free memory was 98.6 MB in the beginning and 89.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 14:11:39,660 INFO L168 Benchmark]: Boogie Preprocessor took 108.11 ms. Allocated memory is still 158.3 MB. Free memory was 89.1 MB in the beginning and 82.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-01-06 14:11:39,660 INFO L168 Benchmark]: RCFGBuilder took 1809.05 ms. Allocated memory is still 158.3 MB. Free memory was 82.8 MB in the beginning and 88.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. [2021-01-06 14:11:39,661 INFO L168 Benchmark]: TraceAbstraction took 39236.28 ms. Allocated memory was 158.3 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 88.3 MB in the beginning and 968.9 MB in the end (delta: -880.6 MB). Peak memory consumption was 293.8 MB. Max. memory is 8.0 GB. [2021-01-06 14:11:39,661 INFO L168 Benchmark]: Witness Printer took 211.36 ms. Allocated memory is still 1.3 GB. Free memory was 968.9 MB in the beginning and 949.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:11:39,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 158.3 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 871.23 ms. Allocated memory is still 158.3 MB. Free memory was 131.1 MB in the beginning and 99.0 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 152.99 ms. Allocated memory is still 158.3 MB. Free memory was 98.6 MB in the beginning and 89.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 108.11 ms. Allocated memory is still 158.3 MB. Free memory was 89.1 MB in the beginning and 82.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1809.05 ms. Allocated memory is still 158.3 MB. Free memory was 82.8 MB in the beginning and 88.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39236.28 ms. Allocated memory was 158.3 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 88.3 MB in the beginning and 968.9 MB in the end (delta: -880.6 MB). Peak memory consumption was 293.8 MB. Max. memory is 8.0 GB. * Witness Printer took 211.36 ms. Allocated memory is still 1.3 GB. Free memory was 968.9 MB in the beginning and 949.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 167]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a21 <= 7 && a12 <= 11) && a15 <= 8) || ((a21 <= 7 && a24 <= 1) && a15 <= 8)) || (0 < a12 + 43 && a24 == 1)) || (6 <= a15 && a24 == 1)) || ((a12 + 49 <= 0 && a24 == 1) && a21 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a21 <= 7 && a12 <= 11) && a15 <= 8) || ((a21 <= 7 && a24 <= 1) && a15 <= 8)) || (0 < a12 + 43 && a24 == 1)) || (6 <= a15 && a24 == 1)) || ((a12 + 49 <= 0 && a24 == 1) && a21 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.6s, OverallIterations: 16, TraceHistogramMax: 8, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1505 SDtfs, 1898 SDslu, 85 SDs, 0 SdLazy, 8207 SolverSat, 1324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4468 GetRequests, 4424 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5344occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 2496 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 71 NumberOfFragments, 99 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3190 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 296 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 11677 NumberOfCodeBlocks, 11677 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 11654 ConstructedInterpolants, 0 QuantifiedInterpolants, 24233223 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5643 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 23 InterpolantComputations, 15 PerfectInterpolantSequences, 20861/22341 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...