/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_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 04:20:04,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 04:20:04,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 04:20:04,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 04:20:04,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 04:20:04,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 04:20:04,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 04:20:04,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 04:20:04,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 04:20:04,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 04:20:04,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 04:20:04,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 04:20:04,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 04:20:04,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 04:20:04,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 04:20:04,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 04:20:04,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 04:20:05,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 04:20:05,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 04:20:05,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 04:20:05,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 04:20:05,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 04:20:05,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 04:20:05,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 04:20:05,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 04:20:05,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 04:20:05,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 04:20:05,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 04:20:05,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 04:20:05,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 04:20:05,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 04:20:05,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 04:20:05,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 04:20:05,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 04:20:05,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 04:20:05,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 04:20:05,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 04:20:05,134 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 04:20:05,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 04:20:05,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 04:20:05,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 04:20:05,141 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 04:20:05,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 04:20:05,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 04:20:05,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 04:20:05,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 04:20:05,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 04:20:05,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 04:20:05,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 04:20:05,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 04:20:05,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 04:20:05,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 04:20:05,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 04:20:05,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 04:20:05,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 04:20:05,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 04:20:05,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 04:20:05,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 04:20:05,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 04:20:05,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 04:20:05,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 04:20:05,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 04:20:05,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 04:20:05,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 04:20:05,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 04:20:05,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 04:20:05,611 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 04:20:05,612 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 04:20:05,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label32.c [2020-12-23 04:20:05,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bd0fec758/a809f8eb8969400caa27265394218862/FLAG316065c8e [2020-12-23 04:20:06,582 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 04:20:06,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label32.c [2020-12-23 04:20:06,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bd0fec758/a809f8eb8969400caa27265394218862/FLAG316065c8e [2020-12-23 04:20:06,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bd0fec758/a809f8eb8969400caa27265394218862 [2020-12-23 04:20:06,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 04:20:06,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 04:20:06,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 04:20:06,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 04:20:06,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 04:20:06,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:20:06" (1/1) ... [2020-12-23 04:20:06,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22386c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:06, skipping insertion in model container [2020-12-23 04:20:06,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:20:06" (1/1) ... [2020-12-23 04:20:06,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 04:20:06,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 04:20:07,208 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_label32.c[5661,5674] 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,] [2020-12-23 04:20:07,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:20:07,449 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 04:20:07,518 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_label32.c[5661,5674] 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,] [2020-12-23 04:20:07,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:20:07,768 INFO L208 MainTranslator]: Completed translation [2020-12-23 04:20:07,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07 WrapperNode [2020-12-23 04:20:07,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 04:20:07,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 04:20:07,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 04:20:07,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 04:20:07,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:07,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:07,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 04:20:07,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 04:20:07,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 04:20:07,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 04:20:07,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:07,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:07,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:07,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:07,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:08,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:08,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... [2020-12-23 04:20:08,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 04:20:08,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 04:20:08,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 04:20:08,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 04:20:08,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 04:20:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 04:20:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 04:20:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 04:20:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 04:20:10,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 04:20:10,254 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 04:20:10,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:20:10 BoogieIcfgContainer [2020-12-23 04:20:10,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 04:20:10,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 04:20:10,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 04:20:10,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 04:20:10,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:20:06" (1/3) ... [2020-12-23 04:20:10,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e08206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:20:10, skipping insertion in model container [2020-12-23 04:20:10,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:20:07" (2/3) ... [2020-12-23 04:20:10,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e08206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:20:10, skipping insertion in model container [2020-12-23 04:20:10,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:20:10" (3/3) ... [2020-12-23 04:20:10,275 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label32.c [2020-12-23 04:20:10,284 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 04:20:10,290 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 04:20:10,312 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 04:20:10,359 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 04:20:10,360 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 04:20:10,360 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 04:20:10,360 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 04:20:10,360 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 04:20:10,360 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 04:20:10,360 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 04:20:10,360 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 04:20:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-23 04:20:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 04:20:10,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:10,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:10,430 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:10,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:10,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2020-12-23 04:20:10,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:10,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459209818] [2020-12-23 04:20:10,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:20:10,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459209818] [2020-12-23 04:20:10,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:10,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:20:10,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388695894] [2020-12-23 04:20:10,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:10,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:10,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:10,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:10,859 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-23 04:20:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:13,091 INFO L93 Difference]: Finished difference Result 685 states and 1216 transitions. [2020-12-23 04:20:13,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:13,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 04:20:13,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:13,113 INFO L225 Difference]: With dead ends: 685 [2020-12-23 04:20:13,113 INFO L226 Difference]: Without dead ends: 360 [2020-12-23 04:20:13,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:13,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-23 04:20:13,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-23 04:20:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-23 04:20:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-12-23 04:20:13,199 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 55 [2020-12-23 04:20:13,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:13,200 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-12-23 04:20:13,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-12-23 04:20:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-23 04:20:13,207 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:13,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:13,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 04:20:13,208 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:13,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:13,209 INFO L82 PathProgramCache]: Analyzing trace with hash 144561951, now seen corresponding path program 1 times [2020-12-23 04:20:13,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:13,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682849339] [2020-12-23 04:20:13,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:20:13,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682849339] [2020-12-23 04:20:13,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:13,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:13,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507371806] [2020-12-23 04:20:13,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:20:13,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:13,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:20:13,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:20:13,590 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2020-12-23 04:20:16,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:16,169 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2020-12-23 04:20:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:20:16,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-12-23 04:20:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:16,176 INFO L225 Difference]: With dead ends: 1074 [2020-12-23 04:20:16,176 INFO L226 Difference]: Without dead ends: 716 [2020-12-23 04:20:16,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:20:16,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-23 04:20:16,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-23 04:20:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-23 04:20:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2020-12-23 04:20:16,224 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 134 [2020-12-23 04:20:16,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:16,225 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2020-12-23 04:20:16,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:20:16,225 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2020-12-23 04:20:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-23 04:20:16,231 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:16,231 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:16,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 04:20:16,232 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:16,233 INFO L82 PathProgramCache]: Analyzing trace with hash -605465408, now seen corresponding path program 1 times [2020-12-23 04:20:16,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:16,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911917460] [2020-12-23 04:20:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:20:16,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911917460] [2020-12-23 04:20:16,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:16,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:16,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083635224] [2020-12-23 04:20:16,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:16,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:16,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:16,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:16,439 INFO L87 Difference]: Start difference. First operand 716 states and 902 transitions. Second operand 3 states. [2020-12-23 04:20:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:18,208 INFO L93 Difference]: Finished difference Result 1964 states and 2499 transitions. [2020-12-23 04:20:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:18,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-12-23 04:20:18,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:18,219 INFO L225 Difference]: With dead ends: 1964 [2020-12-23 04:20:18,219 INFO L226 Difference]: Without dead ends: 1250 [2020-12-23 04:20:18,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:18,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-12-23 04:20:18,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2020-12-23 04:20:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-12-23 04:20:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2020-12-23 04:20:18,279 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 160 [2020-12-23 04:20:18,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:18,280 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2020-12-23 04:20:18,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2020-12-23 04:20:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-12-23 04:20:18,287 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:18,288 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-12-23 04:20:18,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 04:20:18,288 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:18,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:18,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1128249196, now seen corresponding path program 1 times [2020-12-23 04:20:18,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:18,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964380322] [2020-12-23 04:20:18,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-23 04:20:18,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964380322] [2020-12-23 04:20:18,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:18,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:18,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183213575] [2020-12-23 04:20:18,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:20:18,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:18,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:20:18,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:20:18,731 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand 4 states. [2020-12-23 04:20:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:20,421 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2020-12-23 04:20:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:20:20,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 214 [2020-12-23 04:20:20,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:20,431 INFO L225 Difference]: With dead ends: 2705 [2020-12-23 04:20:20,431 INFO L226 Difference]: Without dead ends: 1606 [2020-12-23 04:20:20,433 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 [2020-12-23 04:20:20,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-12-23 04:20:20,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2020-12-23 04:20:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-23 04:20:20,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2020-12-23 04:20:20,472 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 214 [2020-12-23 04:20:20,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:20,473 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2020-12-23 04:20:20,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:20:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2020-12-23 04:20:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-12-23 04:20:20,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:20,479 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:20,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 04:20:20,480 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:20,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash 270692378, now seen corresponding path program 1 times [2020-12-23 04:20:20,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:20,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473383209] [2020-12-23 04:20:20,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 206 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-12-23 04:20:21,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473383209] [2020-12-23 04:20:21,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065569966] [2020-12-23 04:20:21,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:20:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:21,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:20:21,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:20:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-12-23 04:20:22,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:20:22,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 04:20:22,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034622615] [2020-12-23 04:20:22,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:22,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:22,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:22,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:22,459 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand 3 states. [2020-12-23 04:20:23,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:23,972 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2020-12-23 04:20:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:23,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-12-23 04:20:23,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:23,988 INFO L225 Difference]: With dead ends: 3388 [2020-12-23 04:20:23,988 INFO L226 Difference]: Without dead ends: 1962 [2020-12-23 04:20:23,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:23,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-12-23 04:20:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-12-23 04:20:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-12-23 04:20:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2220 transitions. [2020-12-23 04:20:24,051 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2220 transitions. Word has length 341 [2020-12-23 04:20:24,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:24,053 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2220 transitions. [2020-12-23 04:20:24,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:24,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2220 transitions. [2020-12-23 04:20:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-12-23 04:20:24,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:24,059 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-12-23 04:20:24,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:20:24,275 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:24,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:24,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1655547748, now seen corresponding path program 1 times [2020-12-23 04:20:24,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:24,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020553915] [2020-12-23 04:20:24,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-23 04:20:24,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020553915] [2020-12-23 04:20:24,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:24,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:24,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202378575] [2020-12-23 04:20:24,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:24,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:24,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:24,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:24,617 INFO L87 Difference]: Start difference. First operand 1962 states and 2220 transitions. Second operand 3 states. [2020-12-23 04:20:25,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:25,816 INFO L93 Difference]: Finished difference Result 4100 states and 4689 transitions. [2020-12-23 04:20:25,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:25,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2020-12-23 04:20:25,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:25,832 INFO L225 Difference]: With dead ends: 4100 [2020-12-23 04:20:25,833 INFO L226 Difference]: Without dead ends: 2318 [2020-12-23 04:20:25,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:25,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-23 04:20:25,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2020-12-23 04:20:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-12-23 04:20:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2613 transitions. [2020-12-23 04:20:25,894 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2613 transitions. Word has length 345 [2020-12-23 04:20:25,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:25,895 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2613 transitions. [2020-12-23 04:20:25,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2613 transitions. [2020-12-23 04:20:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-12-23 04:20:25,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:25,902 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 04:20:25,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 04:20:25,903 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:25,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:25,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2038814532, now seen corresponding path program 1 times [2020-12-23 04:20:25,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:25,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530003655] [2020-12-23 04:20:25,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 213 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-23 04:20:26,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530003655] [2020-12-23 04:20:26,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383721243] [2020-12-23 04:20:26,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:20:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:26,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:20:26,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:20:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-12-23 04:20:27,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:20:27,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 04:20:27,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246280147] [2020-12-23 04:20:27,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:27,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:27,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:27,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:27,399 INFO L87 Difference]: Start difference. First operand 2318 states and 2613 transitions. Second operand 3 states. [2020-12-23 04:20:28,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:28,931 INFO L93 Difference]: Finished difference Result 4990 states and 5718 transitions. [2020-12-23 04:20:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:28,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2020-12-23 04:20:28,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:28,949 INFO L225 Difference]: With dead ends: 4990 [2020-12-23 04:20:28,949 INFO L226 Difference]: Without dead ends: 2852 [2020-12-23 04:20:28,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2020-12-23 04:20:29,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2674. [2020-12-23 04:20:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-12-23 04:20:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2974 transitions. [2020-12-23 04:20:29,013 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2974 transitions. Word has length 348 [2020-12-23 04:20:29,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:29,014 INFO L481 AbstractCegarLoop]: Abstraction has 2674 states and 2974 transitions. [2020-12-23 04:20:29,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2974 transitions. [2020-12-23 04:20:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-12-23 04:20:29,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:29,021 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 04:20:29,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:20:29,235 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:29,236 INFO L82 PathProgramCache]: Analyzing trace with hash -711493248, now seen corresponding path program 1 times [2020-12-23 04:20:29,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:29,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383149512] [2020-12-23 04:20:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-23 04:20:29,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383149512] [2020-12-23 04:20:29,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:29,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:29,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542484240] [2020-12-23 04:20:29,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:29,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:29,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:29,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:29,536 INFO L87 Difference]: Start difference. First operand 2674 states and 2974 transitions. Second operand 3 states. [2020-12-23 04:20:31,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:31,001 INFO L93 Difference]: Finished difference Result 5702 states and 6438 transitions. [2020-12-23 04:20:31,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:31,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 372 [2020-12-23 04:20:31,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:31,019 INFO L225 Difference]: With dead ends: 5702 [2020-12-23 04:20:31,019 INFO L226 Difference]: Without dead ends: 3208 [2020-12-23 04:20:31,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:31,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-12-23 04:20:31,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2020-12-23 04:20:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-12-23 04:20:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3183 transitions. [2020-12-23 04:20:31,091 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3183 transitions. Word has length 372 [2020-12-23 04:20:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:31,092 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3183 transitions. [2020-12-23 04:20:31,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3183 transitions. [2020-12-23 04:20:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-12-23 04:20:31,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:31,118 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 04:20:31,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 04:20:31,118 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:31,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:31,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1651906393, now seen corresponding path program 1 times [2020-12-23 04:20:31,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:31,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799219718] [2020-12-23 04:20:31,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-23 04:20:31,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799219718] [2020-12-23 04:20:31,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:31,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:31,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310003634] [2020-12-23 04:20:31,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:31,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:31,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:31,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:31,385 INFO L87 Difference]: Start difference. First operand 2852 states and 3183 transitions. Second operand 3 states. [2020-12-23 04:20:32,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:32,903 INFO L93 Difference]: Finished difference Result 6236 states and 7044 transitions. [2020-12-23 04:20:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:32,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2020-12-23 04:20:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:32,921 INFO L225 Difference]: With dead ends: 6236 [2020-12-23 04:20:32,921 INFO L226 Difference]: Without dead ends: 3564 [2020-12-23 04:20:32,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:32,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-12-23 04:20:32,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2020-12-23 04:20:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-12-23 04:20:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3992 transitions. [2020-12-23 04:20:33,002 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3992 transitions. Word has length 379 [2020-12-23 04:20:33,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:33,003 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3992 transitions. [2020-12-23 04:20:33,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3992 transitions. [2020-12-23 04:20:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2020-12-23 04:20:33,017 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:33,017 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, 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, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:33,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 04:20:33,018 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:33,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:33,018 INFO L82 PathProgramCache]: Analyzing trace with hash 326047957, now seen corresponding path program 1 times [2020-12-23 04:20:33,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:33,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115540558] [2020-12-23 04:20:33,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-12-23 04:20:33,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115540558] [2020-12-23 04:20:33,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:33,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:33,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133898573] [2020-12-23 04:20:33,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:33,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:33,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:33,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:33,483 INFO L87 Difference]: Start difference. First operand 3564 states and 3992 transitions. Second operand 3 states. [2020-12-23 04:20:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:35,035 INFO L93 Difference]: Finished difference Result 7660 states and 8651 transitions. [2020-12-23 04:20:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:35,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 534 [2020-12-23 04:20:35,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:35,057 INFO L225 Difference]: With dead ends: 7660 [2020-12-23 04:20:35,057 INFO L226 Difference]: Without dead ends: 4276 [2020-12-23 04:20:35,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:20:35,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-12-23 04:20:35,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4098. [2020-12-23 04:20:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2020-12-23 04:20:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4609 transitions. [2020-12-23 04:20:35,146 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4609 transitions. Word has length 534 [2020-12-23 04:20:35,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:35,147 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4609 transitions. [2020-12-23 04:20:35,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4609 transitions. [2020-12-23 04:20:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2020-12-23 04:20:35,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:35,154 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, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:35,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 04:20:35,154 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:35,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:35,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1010607184, now seen corresponding path program 1 times [2020-12-23 04:20:35,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:35,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301148018] [2020-12-23 04:20:35,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 749 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2020-12-23 04:20:35,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301148018] [2020-12-23 04:20:35,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:20:35,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:20:35,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857772569] [2020-12-23 04:20:35,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:20:35,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:35,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:20:35,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:20:35,793 INFO L87 Difference]: Start difference. First operand 4098 states and 4609 transitions. Second operand 4 states. [2020-12-23 04:20:37,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:37,441 INFO L93 Difference]: Finished difference Result 8223 states and 9262 transitions. [2020-12-23 04:20:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:20:37,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 536 [2020-12-23 04:20:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:37,462 INFO L225 Difference]: With dead ends: 8223 [2020-12-23 04:20:37,462 INFO L226 Difference]: Without dead ends: 4276 [2020-12-23 04:20:37,468 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 [2020-12-23 04:20:37,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-12-23 04:20:37,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4098. [2020-12-23 04:20:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2020-12-23 04:20:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4441 transitions. [2020-12-23 04:20:37,544 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4441 transitions. Word has length 536 [2020-12-23 04:20:37,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:37,545 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4441 transitions. [2020-12-23 04:20:37,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:20:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4441 transitions. [2020-12-23 04:20:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2020-12-23 04:20:37,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:37,553 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, 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, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:37,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 04:20:37,553 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:37,554 INFO L82 PathProgramCache]: Analyzing trace with hash 472505570, now seen corresponding path program 1 times [2020-12-23 04:20:37,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:37,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6330706] [2020-12-23 04:20:37,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 441 proven. 93 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-23 04:20:38,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6330706] [2020-12-23 04:20:38,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031167973] [2020-12-23 04:20:38,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:20:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:38,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:20:38,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:20:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2020-12-23 04:20:40,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:20:40,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 04:20:40,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998366151] [2020-12-23 04:20:40,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:40,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:40,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:40,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:40,232 INFO L87 Difference]: Start difference. First operand 4098 states and 4441 transitions. Second operand 3 states. [2020-12-23 04:20:41,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:41,611 INFO L93 Difference]: Finished difference Result 5346 states and 5791 transitions. [2020-12-23 04:20:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:41,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 552 [2020-12-23 04:20:41,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:41,636 INFO L225 Difference]: With dead ends: 5346 [2020-12-23 04:20:41,636 INFO L226 Difference]: Without dead ends: 5344 [2020-12-23 04:20:41,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:41,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-12-23 04:20:41,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4276. [2020-12-23 04:20:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2020-12-23 04:20:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4643 transitions. [2020-12-23 04:20:41,721 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4643 transitions. Word has length 552 [2020-12-23 04:20:41,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:41,722 INFO L481 AbstractCegarLoop]: Abstraction has 4276 states and 4643 transitions. [2020-12-23 04:20:41,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4643 transitions. [2020-12-23 04:20:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2020-12-23 04:20:41,729 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:41,730 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:41,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 04:20:41,945 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:41,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:41,946 INFO L82 PathProgramCache]: Analyzing trace with hash 267957681, now seen corresponding path program 1 times [2020-12-23 04:20:41,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:41,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87068234] [2020-12-23 04:20:41,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 843 proven. 11 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-12-23 04:20:42,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87068234] [2020-12-23 04:20:42,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750312048] [2020-12-23 04:20:42,908 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 [2020-12-23 04:20:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:43,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:20:43,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:20:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2020-12-23 04:20:44,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:20:44,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 04:20:44,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746376677] [2020-12-23 04:20:44,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:44,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:44,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:44,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:44,421 INFO L87 Difference]: Start difference. First operand 4276 states and 4643 transitions. Second operand 3 states. [2020-12-23 04:20:45,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:45,842 INFO L93 Difference]: Finished difference Result 9440 states and 10278 transitions. [2020-12-23 04:20:45,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:45,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 562 [2020-12-23 04:20:45,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:45,855 INFO L225 Difference]: With dead ends: 9440 [2020-12-23 04:20:45,855 INFO L226 Difference]: Without dead ends: 5344 [2020-12-23 04:20:45,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:45,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-12-23 04:20:45,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5166. [2020-12-23 04:20:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-12-23 04:20:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5578 transitions. [2020-12-23 04:20:45,947 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5578 transitions. Word has length 562 [2020-12-23 04:20:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:45,948 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5578 transitions. [2020-12-23 04:20:45,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5578 transitions. [2020-12-23 04:20:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2020-12-23 04:20:45,958 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:45,958 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, 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, 4, 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] [2020-12-23 04:20:46,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:20:46,174 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:46,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:46,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1567909247, now seen corresponding path program 1 times [2020-12-23 04:20:46,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:46,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226930261] [2020-12-23 04:20:46,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 940 proven. 11 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-12-23 04:20:47,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226930261] [2020-12-23 04:20:47,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74134194] [2020-12-23 04:20:47,293 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 [2020-12-23 04:20:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:47,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:20:47,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:20:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 1054 trivial. 0 not checked. [2020-12-23 04:20:48,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:20:48,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 04:20:48,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077380675] [2020-12-23 04:20:48,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:48,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:48,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:48,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:48,874 INFO L87 Difference]: Start difference. First operand 5166 states and 5578 transitions. Second operand 3 states. [2020-12-23 04:20:50,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:50,202 INFO L93 Difference]: Finished difference Result 11576 states and 12513 transitions. [2020-12-23 04:20:50,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:50,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 627 [2020-12-23 04:20:50,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:50,218 INFO L225 Difference]: With dead ends: 11576 [2020-12-23 04:20:50,219 INFO L226 Difference]: Without dead ends: 6234 [2020-12-23 04:20:50,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:50,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2020-12-23 04:20:50,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 4988. [2020-12-23 04:20:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2020-12-23 04:20:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5371 transitions. [2020-12-23 04:20:50,312 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5371 transitions. Word has length 627 [2020-12-23 04:20:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:50,313 INFO L481 AbstractCegarLoop]: Abstraction has 4988 states and 5371 transitions. [2020-12-23 04:20:50,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5371 transitions. [2020-12-23 04:20:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2020-12-23 04:20:50,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:50,331 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, 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, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:20:50,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 04:20:50,546 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:50,547 INFO L82 PathProgramCache]: Analyzing trace with hash -704244849, now seen corresponding path program 1 times [2020-12-23 04:20:50,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:50,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118960252] [2020-12-23 04:20:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1966 backedges. 1364 proven. 11 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2020-12-23 04:20:51,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118960252] [2020-12-23 04:20:51,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901895440] [2020-12-23 04:20:51,876 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 [2020-12-23 04:20:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:52,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:20:52,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:20:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1966 backedges. 1283 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2020-12-23 04:20:54,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:20:54,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 04:20:54,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847674629] [2020-12-23 04:20:54,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:54,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:54,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:54,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:54,096 INFO L87 Difference]: Start difference. First operand 4988 states and 5371 transitions. Second operand 3 states. [2020-12-23 04:20:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:20:55,416 INFO L93 Difference]: Finished difference Result 9618 states and 10382 transitions. [2020-12-23 04:20:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:20:55,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 826 [2020-12-23 04:20:55,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:20:55,427 INFO L225 Difference]: With dead ends: 9618 [2020-12-23 04:20:55,427 INFO L226 Difference]: Without dead ends: 4988 [2020-12-23 04:20:55,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 829 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:20:55,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2020-12-23 04:20:55,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4810. [2020-12-23 04:20:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-12-23 04:20:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5139 transitions. [2020-12-23 04:20:55,509 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5139 transitions. Word has length 826 [2020-12-23 04:20:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:20:55,510 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 5139 transitions. [2020-12-23 04:20:55,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:20:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5139 transitions. [2020-12-23 04:20:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2020-12-23 04:20:55,525 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:20:55,526 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 04:20:55,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:20:55,740 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:20:55,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:20:55,741 INFO L82 PathProgramCache]: Analyzing trace with hash -118753461, now seen corresponding path program 1 times [2020-12-23 04:20:55,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:20:55,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787334942] [2020-12-23 04:20:55,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:20:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1559 proven. 155 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-12-23 04:20:56,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787334942] [2020-12-23 04:20:56,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527897946] [2020-12-23 04:20:56,578 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 [2020-12-23 04:20:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:20:57,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:20:57,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:20:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2020-12-23 04:20:59,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:20:59,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-23 04:20:59,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868853136] [2020-12-23 04:20:59,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:20:59,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:20:59,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:20:59,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:20:59,147 INFO L87 Difference]: Start difference. First operand 4810 states and 5139 transitions. Second operand 3 states. [2020-12-23 04:21:00,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:21:00,399 INFO L93 Difference]: Finished difference Result 5700 states and 6100 transitions. [2020-12-23 04:21:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:21:00,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 880 [2020-12-23 04:21:00,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:21:00,402 INFO L225 Difference]: With dead ends: 5700 [2020-12-23 04:21:00,402 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 04:21:00,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:21:00,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 04:21:00,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 04:21:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 04:21:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 04:21:00,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 880 [2020-12-23 04:21:00,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:21:00,409 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 04:21:00,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:21:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 04:21:00,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 04:21:00,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-23 04:21:00,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 04:21:01,089 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-12-23 04:21:01,408 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-12-23 04:21:01,412 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-23 04:21:01,413 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,414 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,415 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,416 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,417 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,418 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-23 04:21:01,419 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-23 04:21:01,420 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-23 04:21:01,421 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-23 04:21:01,422 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-23 04:21:01,423 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 04:21:01,424 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-23 04:21:01,425 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 04:21:01,426 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-23 04:21:01,427 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,428 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,429 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,430 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,431 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,432 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 8)) (.cse3 (<= ~a12~0 11)) (.cse0 (= ~a24~0 1)) (.cse2 (<= ~a15~0 5))) (or (and (<= 7 ~a15~0) .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse0 .cse1) (and (< 80 ~a12~0) .cse0) (and .cse0 (<= ~a21~0 8)) (and .cse3 .cse0 (<= 10 ~a21~0)) (and (<= ~a21~0 7) .cse2 (<= (+ ~a12~0 43) 0)))) [2020-12-23 04:21:01,432 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-23 04:21:01,432 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-23 04:21:01,432 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 04:21:01,432 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 04:21:01,432 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-23 04:21:01,432 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-23 04:21:01,433 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-23 04:21:01,434 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,435 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,435 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 04:21:01,435 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,435 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-23 04:21:01,435 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 8)) (.cse3 (<= ~a12~0 11)) (.cse0 (= ~a24~0 1)) (.cse2 (<= ~a15~0 5))) (or (and (<= 7 ~a15~0) .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse0 .cse1) (and (< 80 ~a12~0) .cse0) (and .cse0 (<= ~a21~0 8)) (and .cse3 .cse0 (<= 10 ~a21~0)) (and (<= ~a21~0 7) .cse2 (<= (+ ~a12~0 43) 0)))) [2020-12-23 04:21:01,435 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-23 04:21:01,435 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-23 04:21:01,435 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,436 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,437 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:21:01,437 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-23 04:21:01,437 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 04:21:01,437 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 04:21:01,437 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 04:21:01,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:21:01 BoogieIcfgContainer [2020-12-23 04:21:01,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 04:21:01,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 04:21:01,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 04:21:01,462 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 04:21:01,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:20:10" (3/4) ... [2020-12-23 04:21:01,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 04:21:01,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 04:21:01,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 04:21:01,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 04:21:01,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 04:21:01,676 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label32.c-witness.graphml [2020-12-23 04:21:01,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 04:21:01,677 INFO L168 Benchmark]: Toolchain (without parser) took 54855.99 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 124.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 742.5 MB. Max. memory is 8.0 GB. [2020-12-23 04:21:01,678 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 04:21:01,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.61 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 123.2 MB in the end (delta: 894.3 kB). Peak memory consumption was 27.4 MB. Max. memory is 8.0 GB. [2020-12-23 04:21:01,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.93 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 113.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 04:21:01,679 INFO L168 Benchmark]: Boogie Preprocessor took 147.39 ms. Allocated memory is still 151.0 MB. Free memory was 113.2 MB in the beginning and 106.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 04:21:01,679 INFO L168 Benchmark]: RCFGBuilder took 2218.82 ms. Allocated memory is still 151.0 MB. Free memory was 106.9 MB in the beginning and 61.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 68.0 MB. Max. memory is 8.0 GB. [2020-12-23 04:21:01,680 INFO L168 Benchmark]: TraceAbstraction took 51199.99 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 61.0 MB in the beginning and 460.8 MB in the end (delta: -399.8 MB). Peak memory consumption was 673.4 MB. Max. memory is 8.0 GB. [2020-12-23 04:21:01,680 INFO L168 Benchmark]: Witness Printer took 214.61 ms. Allocated memory is still 1.2 GB. Free memory was 460.3 MB in the beginning and 1.2 GB in the end (delta: -702.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 04:21:01,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 942.61 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 123.2 MB in the end (delta: 894.3 kB). Peak memory consumption was 27.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 120.93 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 113.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 147.39 ms. Allocated memory is still 151.0 MB. Free memory was 113.2 MB in the beginning and 106.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2218.82 ms. Allocated memory is still 151.0 MB. Free memory was 106.9 MB in the beginning and 61.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 68.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 51199.99 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 61.0 MB in the beginning and 460.8 MB in the end (delta: -399.8 MB). Peak memory consumption was 673.4 MB. Max. memory is 8.0 GB. * Witness Printer took 214.61 ms. Allocated memory is still 1.2 GB. Free memory was 460.3 MB in the beginning and 1.2 GB in the end (delta: -702.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 179]: 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: (((((((7 <= a15 && a24 == 1) && a15 <= 8) || (a15 <= 5 && a24 == 1)) || ((a12 <= 11 && a24 == 1) && a15 <= 8)) || (80 < a12 && a24 == 1)) || (a24 == 1 && a21 <= 8)) || ((a12 <= 11 && a24 == 1) && 10 <= a21)) || ((a21 <= 7 && a15 <= 5) && a12 + 43 <= 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((7 <= a15 && a24 == 1) && a15 <= 8) || (a15 <= 5 && a24 == 1)) || ((a12 <= 11 && a24 == 1) && a15 <= 8)) || (80 < a12 && a24 == 1)) || (a24 == 1 && a21 <= 8)) || ((a12 <= 11 && a24 == 1) && 10 <= a21)) || ((a21 <= 7 && a15 <= 5) && a12 + 43 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 50.2s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1652 SDtfs, 2115 SDslu, 84 SDs, 0 SdLazy, 8103 SolverSat, 1084 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4184 GetRequests, 4144 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5166occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 3560 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 77 NumberOfFragments, 129 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2354 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 634 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 11001 NumberOfCodeBlocks, 11001 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 10978 ConstructedInterpolants, 0 QuantifiedInterpolants, 19399505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5322 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 23 InterpolantComputations, 16 PerfectInterpolantSequences, 19639/20180 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...