/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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 14:13:19,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 14:13:19,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 14:13:19,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 14:13:19,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 14:13:19,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 14:13:19,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 14:13:19,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 14:13:19,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 14:13:19,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 14:13:19,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 14:13:19,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 14:13:19,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 14:13:19,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 14:13:19,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 14:13:19,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 14:13:19,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 14:13:19,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 14:13:19,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 14:13:19,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 14:13:19,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 14:13:19,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 14:13:19,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 14:13:19,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 14:13:19,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 14:13:19,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 14:13:19,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 14:13:19,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 14:13:19,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 14:13:20,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 14:13:20,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 14:13:20,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 14:13:20,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 14:13:20,048 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 14:13:20,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 14:13:20,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 14:13:20,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 14:13:20,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 14:13:20,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 14:13:20,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 14:13:20,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 14:13:20,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 14:13:20,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 14:13:20,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 14:13:20,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 14:13:20,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 14:13:20,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 14:13:20,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 14:13:20,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 14:13:20,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 14:13:20,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 14:13:20,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 14:13:20,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 14:13:20,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 14:13:20,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 14:13:20,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 14:13:20,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 14:13:20,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 14:13:20,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 14:13:20,513 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 14:13:20,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2021-01-06 14:13:20,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2890b0db0/263805fb69aa4e958e98316ef97a2c68/FLAG0a2ee299a [2021-01-06 14:13:21,411 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 14:13:21,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2021-01-06 14:13:21,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2890b0db0/263805fb69aa4e958e98316ef97a2c68/FLAG0a2ee299a [2021-01-06 14:13:21,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2890b0db0/263805fb69aa4e958e98316ef97a2c68 [2021-01-06 14:13:21,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 14:13:21,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 14:13:21,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 14:13:21,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 14:13:21,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 14:13:21,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:13:21" (1/1) ... [2021-01-06 14:13:21,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619895ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:21, skipping insertion in model container [2021-01-06 14:13:21,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:13:21" (1/1) ... [2021-01-06 14:13:21,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 14:13:21,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 14:13:21,874 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_label23.c[3423,3436] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:13:22,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:13:22,180 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 14:13:22,203 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_label23.c[3423,3436] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:13:22,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:13:22,390 INFO L208 MainTranslator]: Completed translation [2021-01-06 14:13:22,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22 WrapperNode [2021-01-06 14:13:22,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 14:13:22,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 14:13:22,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 14:13:22,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 14:13:22,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 14:13:22,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 14:13:22,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 14:13:22,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 14:13:22,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... [2021-01-06 14:13:22,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 14:13:22,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 14:13:22,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 14:13:22,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 14:13:22,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 14:13:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 14:13:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 14:13:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 14:13:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 14:13:24,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 14:13:24,457 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 14:13:24,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:24 BoogieIcfgContainer [2021-01-06 14:13:24,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 14:13:24,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 14:13:24,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 14:13:24,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 14:13:24,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 02:13:21" (1/3) ... [2021-01-06 14:13:24,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60efafd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:13:24, skipping insertion in model container [2021-01-06 14:13:24,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:22" (2/3) ... [2021-01-06 14:13:24,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60efafd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:13:24, skipping insertion in model container [2021-01-06 14:13:24,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:24" (3/3) ... [2021-01-06 14:13:24,470 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2021-01-06 14:13:24,476 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 14:13:24,482 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 14:13:24,502 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 14:13:24,531 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 14:13:24,532 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 14:13:24,532 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 14:13:24,532 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 14:13:24,532 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 14:13:24,532 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 14:13:24,533 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 14:13:24,533 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 14:13:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2021-01-06 14:13:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 14:13:24,563 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:24,564 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] [2021-01-06 14:13:24,565 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:24,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:24,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2021-01-06 14:13:24,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:24,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950798695] [2021-01-06 14:13:24,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:13:24,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950798695] [2021-01-06 14:13:24,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:24,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 14:13:24,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710553445] [2021-01-06 14:13:24,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:24,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:24,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:24,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:24,923 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2021-01-06 14:13:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:26,057 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2021-01-06 14:13:26,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:26,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2021-01-06 14:13:26,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:26,080 INFO L225 Difference]: With dead ends: 669 [2021-01-06 14:13:26,080 INFO L226 Difference]: Without dead ends: 360 [2021-01-06 14:13:26,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-01-06 14:13:26,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-01-06 14:13:26,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2021-01-06 14:13:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2021-01-06 14:13:26,272 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 32 [2021-01-06 14:13:26,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:26,272 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2021-01-06 14:13:26,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2021-01-06 14:13:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 14:13:26,277 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:26,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:26,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 14:13:26,278 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:26,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:26,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1953262776, now seen corresponding path program 1 times [2021-01-06 14:13:26,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:26,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337351039] [2021-01-06 14:13:26,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:13:26,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337351039] [2021-01-06 14:13:26,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:26,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 14:13:26,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721632657] [2021-01-06 14:13:26,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:26,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:26,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:26,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:26,474 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2021-01-06 14:13:27,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:27,503 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2021-01-06 14:13:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:27,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 14:13:27,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:27,514 INFO L225 Difference]: With dead ends: 1074 [2021-01-06 14:13:27,514 INFO L226 Difference]: Without dead ends: 716 [2021-01-06 14:13:27,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:27,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-01-06 14:13:27,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2021-01-06 14:13:27,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2021-01-06 14:13:27,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 838 transitions. [2021-01-06 14:13:27,605 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 838 transitions. Word has length 97 [2021-01-06 14:13:27,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:27,605 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 838 transitions. [2021-01-06 14:13:27,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 838 transitions. [2021-01-06 14:13:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 14:13:27,611 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:27,612 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:27,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 14:13:27,612 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:27,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:27,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1430044837, now seen corresponding path program 1 times [2021-01-06 14:13:27,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:27,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24625512] [2021-01-06 14:13:27,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:13:27,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24625512] [2021-01-06 14:13:27,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:27,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:27,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453507413] [2021-01-06 14:13:27,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:27,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:27,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:27,959 INFO L87 Difference]: Start difference. First operand 538 states and 838 transitions. Second operand 4 states. [2021-01-06 14:13:29,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:29,752 INFO L93 Difference]: Finished difference Result 1788 states and 2802 transitions. [2021-01-06 14:13:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:29,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2021-01-06 14:13:29,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:29,761 INFO L225 Difference]: With dead ends: 1788 [2021-01-06 14:13:29,761 INFO L226 Difference]: Without dead ends: 1252 [2021-01-06 14:13:29,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:29,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2021-01-06 14:13:29,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2021-01-06 14:13:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2021-01-06 14:13:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1617 transitions. [2021-01-06 14:13:29,800 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1617 transitions. Word has length 111 [2021-01-06 14:13:29,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:29,801 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1617 transitions. [2021-01-06 14:13:29,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:29,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1617 transitions. [2021-01-06 14:13:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-01-06 14:13:29,813 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:29,813 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:29,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 14:13:29,814 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:29,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:29,814 INFO L82 PathProgramCache]: Analyzing trace with hash 872689753, now seen corresponding path program 1 times [2021-01-06 14:13:29,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:29,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974696348] [2021-01-06 14:13:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 14:13:30,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974696348] [2021-01-06 14:13:30,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:30,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:30,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179509936] [2021-01-06 14:13:30,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:30,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:30,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:30,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:30,138 INFO L87 Difference]: Start difference. First operand 1250 states and 1617 transitions. Second operand 4 states. [2021-01-06 14:13:31,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:31,318 INFO L93 Difference]: Finished difference Result 2707 states and 3620 transitions. [2021-01-06 14:13:31,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:31,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2021-01-06 14:13:31,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:31,328 INFO L225 Difference]: With dead ends: 2707 [2021-01-06 14:13:31,328 INFO L226 Difference]: Without dead ends: 1608 [2021-01-06 14:13:31,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:31,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2021-01-06 14:13:31,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2021-01-06 14:13:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2021-01-06 14:13:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1825 transitions. [2021-01-06 14:13:31,370 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1825 transitions. Word has length 191 [2021-01-06 14:13:31,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:31,371 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1825 transitions. [2021-01-06 14:13:31,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1825 transitions. [2021-01-06 14:13:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-01-06 14:13:31,377 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:31,377 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:31,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 14:13:31,378 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:31,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:31,378 INFO L82 PathProgramCache]: Analyzing trace with hash 831866558, now seen corresponding path program 1 times [2021-01-06 14:13:31,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:31,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682750282] [2021-01-06 14:13:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-01-06 14:13:31,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682750282] [2021-01-06 14:13:31,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:31,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:31,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640481784] [2021-01-06 14:13:31,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:31,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:31,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:31,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:31,839 INFO L87 Difference]: Start difference. First operand 1606 states and 1825 transitions. Second operand 3 states. [2021-01-06 14:13:32,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:32,627 INFO L93 Difference]: Finished difference Result 3210 states and 3695 transitions. [2021-01-06 14:13:32,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:32,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2021-01-06 14:13:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:32,638 INFO L225 Difference]: With dead ends: 3210 [2021-01-06 14:13:32,638 INFO L226 Difference]: Without dead ends: 1784 [2021-01-06 14:13:32,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2021-01-06 14:13:32,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2021-01-06 14:13:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2021-01-06 14:13:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2032 transitions. [2021-01-06 14:13:32,680 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2032 transitions. Word has length 322 [2021-01-06 14:13:32,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:32,683 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2032 transitions. [2021-01-06 14:13:32,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2032 transitions. [2021-01-06 14:13:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-01-06 14:13:32,690 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:32,690 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:32,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 14:13:32,691 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:32,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:32,692 INFO L82 PathProgramCache]: Analyzing trace with hash -242982336, now seen corresponding path program 1 times [2021-01-06 14:13:32,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:32,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091702794] [2021-01-06 14:13:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 144 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-01-06 14:13:33,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091702794] [2021-01-06 14:13:33,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739983500] [2021-01-06 14:13:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:33,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:33,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-01-06 14:13:33,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:33,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 14:13:34,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335423196] [2021-01-06 14:13:34,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:34,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:34,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:34,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:34,002 INFO L87 Difference]: Start difference. First operand 1784 states and 2032 transitions. Second operand 3 states. [2021-01-06 14:13:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:34,795 INFO L93 Difference]: Finished difference Result 3744 states and 4387 transitions. [2021-01-06 14:13:34,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:34,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2021-01-06 14:13:34,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:34,809 INFO L225 Difference]: With dead ends: 3744 [2021-01-06 14:13:34,809 INFO L226 Difference]: Without dead ends: 2140 [2021-01-06 14:13:34,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:34,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-01-06 14:13:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2021-01-06 14:13:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:13:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2410 transitions. [2021-01-06 14:13:34,863 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2410 transitions. Word has length 325 [2021-01-06 14:13:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:34,864 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2410 transitions. [2021-01-06 14:13:34,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2410 transitions. [2021-01-06 14:13:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-01-06 14:13:34,873 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:34,873 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:35,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 14:13:35,087 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:35,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:35,090 INFO L82 PathProgramCache]: Analyzing trace with hash 255466610, now seen corresponding path program 1 times [2021-01-06 14:13:35,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:35,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427411389] [2021-01-06 14:13:35,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-01-06 14:13:35,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427411389] [2021-01-06 14:13:35,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:35,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:35,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312206346] [2021-01-06 14:13:35,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:35,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:35,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:35,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:35,679 INFO L87 Difference]: Start difference. First operand 2140 states and 2410 transitions. Second operand 4 states. [2021-01-06 14:13:36,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:36,588 INFO L93 Difference]: Finished difference Result 4307 states and 4869 transitions. [2021-01-06 14:13:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:36,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 402 [2021-01-06 14:13:36,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:36,602 INFO L225 Difference]: With dead ends: 4307 [2021-01-06 14:13:36,602 INFO L226 Difference]: Without dead ends: 2318 [2021-01-06 14:13:36,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:36,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2021-01-06 14:13:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2021-01-06 14:13:36,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:13:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2328 transitions. [2021-01-06 14:13:36,659 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2328 transitions. Word has length 402 [2021-01-06 14:13:36,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:36,660 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2328 transitions. [2021-01-06 14:13:36,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:36,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2328 transitions. [2021-01-06 14:13:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-01-06 14:13:36,668 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:36,669 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:36,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 14:13:36,669 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:36,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:36,670 INFO L82 PathProgramCache]: Analyzing trace with hash 371450483, now seen corresponding path program 2 times [2021-01-06 14:13:36,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:36,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154279141] [2021-01-06 14:13:36,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:37,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154279141] [2021-01-06 14:13:37,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:37,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:37,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927873429] [2021-01-06 14:13:37,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:37,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:37,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:37,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:37,038 INFO L87 Difference]: Start difference. First operand 2140 states and 2328 transitions. Second operand 3 states. [2021-01-06 14:13:37,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:37,811 INFO L93 Difference]: Finished difference Result 4456 states and 4912 transitions. [2021-01-06 14:13:37,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:37,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 428 [2021-01-06 14:13:37,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:37,825 INFO L225 Difference]: With dead ends: 4456 [2021-01-06 14:13:37,825 INFO L226 Difference]: Without dead ends: 2496 [2021-01-06 14:13:37,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:37,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-01-06 14:13:37,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2021-01-06 14:13:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:13:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2326 transitions. [2021-01-06 14:13:37,881 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2326 transitions. Word has length 428 [2021-01-06 14:13:37,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:37,882 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2326 transitions. [2021-01-06 14:13:37,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2326 transitions. [2021-01-06 14:13:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-01-06 14:13:37,891 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:37,892 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:37,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 14:13:37,892 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:37,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:37,893 INFO L82 PathProgramCache]: Analyzing trace with hash -628974162, now seen corresponding path program 1 times [2021-01-06 14:13:37,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:37,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183325780] [2021-01-06 14:13:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:38,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183325780] [2021-01-06 14:13:38,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:38,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:38,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163324752] [2021-01-06 14:13:38,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:38,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:38,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:38,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:38,421 INFO L87 Difference]: Start difference. First operand 2140 states and 2326 transitions. Second operand 3 states. [2021-01-06 14:13:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:39,214 INFO L93 Difference]: Finished difference Result 4990 states and 5486 transitions. [2021-01-06 14:13:39,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:39,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 435 [2021-01-06 14:13:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:39,230 INFO L225 Difference]: With dead ends: 4990 [2021-01-06 14:13:39,230 INFO L226 Difference]: Without dead ends: 3030 [2021-01-06 14:13:39,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:39,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-01-06 14:13:39,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2021-01-06 14:13:39,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-01-06 14:13:39,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2021-01-06 14:13:39,304 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 435 [2021-01-06 14:13:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:39,305 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2021-01-06 14:13:39,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2021-01-06 14:13:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-01-06 14:13:39,315 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:39,316 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:39,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 14:13:39,316 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:39,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:39,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1105193589, now seen corresponding path program 1 times [2021-01-06 14:13:39,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:39,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062976152] [2021-01-06 14:13:39,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 369 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-01-06 14:13:40,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062976152] [2021-01-06 14:13:40,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046492543] [2021-01-06 14:13:40,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:40,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:13:40,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-01-06 14:13:41,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:41,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-01-06 14:13:41,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028584582] [2021-01-06 14:13:41,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:41,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:41,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:41,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:41,358 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2021-01-06 14:13:42,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:42,086 INFO L93 Difference]: Finished difference Result 5702 states and 6186 transitions. [2021-01-06 14:13:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:42,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 480 [2021-01-06 14:13:42,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:42,101 INFO L225 Difference]: With dead ends: 5702 [2021-01-06 14:13:42,101 INFO L226 Difference]: Without dead ends: 3030 [2021-01-06 14:13:42,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:42,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-01-06 14:13:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2021-01-06 14:13:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2021-01-06 14:13:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3262 transitions. [2021-01-06 14:13:42,171 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3262 transitions. Word has length 480 [2021-01-06 14:13:42,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:42,172 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3262 transitions. [2021-01-06 14:13:42,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3262 transitions. [2021-01-06 14:13:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2021-01-06 14:13:42,179 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:42,179 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1] [2021-01-06 14:13:42,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 14:13:42,394 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:42,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:42,396 INFO L82 PathProgramCache]: Analyzing trace with hash 20778745, now seen corresponding path program 1 times [2021-01-06 14:13:42,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:42,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460227906] [2021-01-06 14:13:42,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-01-06 14:13:43,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460227906] [2021-01-06 14:13:43,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:43,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:43,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333840337] [2021-01-06 14:13:43,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:43,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:43,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:43,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:43,048 INFO L87 Difference]: Start difference. First operand 3030 states and 3262 transitions. Second operand 3 states. [2021-01-06 14:13:43,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:43,882 INFO L93 Difference]: Finished difference Result 7304 states and 7933 transitions. [2021-01-06 14:13:43,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:43,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 610 [2021-01-06 14:13:43,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:43,904 INFO L225 Difference]: With dead ends: 7304 [2021-01-06 14:13:43,904 INFO L226 Difference]: Without dead ends: 4454 [2021-01-06 14:13:43,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:43,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2021-01-06 14:13:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4454. [2021-01-06 14:13:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2021-01-06 14:13:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4756 transitions. [2021-01-06 14:13:44,002 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4756 transitions. Word has length 610 [2021-01-06 14:13:44,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:44,003 INFO L481 AbstractCegarLoop]: Abstraction has 4454 states and 4756 transitions. [2021-01-06 14:13:44,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:44,003 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4756 transitions. [2021-01-06 14:13:44,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2021-01-06 14:13:44,014 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:44,015 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, 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, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:44,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 14:13:44,015 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:44,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:44,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1308583808, now seen corresponding path program 1 times [2021-01-06 14:13:44,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:44,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949749135] [2021-01-06 14:13:44,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 1189 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-01-06 14:13:44,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949749135] [2021-01-06 14:13:44,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538613489] [2021-01-06 14:13:44,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:45,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:13:45,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2021-01-06 14:13:46,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:46,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 14:13:46,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760862155] [2021-01-06 14:13:46,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:46,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:46,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:46,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:46,769 INFO L87 Difference]: Start difference. First operand 4454 states and 4756 transitions. Second operand 4 states. [2021-01-06 14:13:47,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:47,978 INFO L93 Difference]: Finished difference Result 9440 states and 10175 transitions. [2021-01-06 14:13:47,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:47,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 765 [2021-01-06 14:13:47,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:48,000 INFO L225 Difference]: With dead ends: 9440 [2021-01-06 14:13:48,000 INFO L226 Difference]: Without dead ends: 5166 [2021-01-06 14:13:48,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2021-01-06 14:13:48,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 5166. [2021-01-06 14:13:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2021-01-06 14:13:48,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5549 transitions. [2021-01-06 14:13:48,100 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5549 transitions. Word has length 765 [2021-01-06 14:13:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:48,101 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5549 transitions. [2021-01-06 14:13:48,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5549 transitions. [2021-01-06 14:13:48,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2021-01-06 14:13:48,110 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:48,111 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:48,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 14:13:48,326 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:48,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:48,328 INFO L82 PathProgramCache]: Analyzing trace with hash 979607870, now seen corresponding path program 1 times [2021-01-06 14:13:48,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:48,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976758381] [2021-01-06 14:13:48,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1204 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-01-06 14:13:49,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976758381] [2021-01-06 14:13:49,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981357016] [2021-01-06 14:13:49,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:49,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:49,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2021-01-06 14:13:50,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:50,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 14:13:50,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104719695] [2021-01-06 14:13:50,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:50,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:50,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:50,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:50,390 INFO L87 Difference]: Start difference. First operand 5166 states and 5549 transitions. Second operand 3 states. [2021-01-06 14:13:51,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:51,137 INFO L93 Difference]: Finished difference Result 6058 states and 6488 transitions. [2021-01-06 14:13:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:51,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 768 [2021-01-06 14:13:51,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:51,155 INFO L225 Difference]: With dead ends: 6058 [2021-01-06 14:13:51,155 INFO L226 Difference]: Without dead ends: 6056 [2021-01-06 14:13:51,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:51,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6056 states. [2021-01-06 14:13:51,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6056 to 5166. [2021-01-06 14:13:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2021-01-06 14:13:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5549 transitions. [2021-01-06 14:13:51,252 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5549 transitions. Word has length 768 [2021-01-06 14:13:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:51,253 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5549 transitions. [2021-01-06 14:13:51,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5549 transitions. [2021-01-06 14:13:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2021-01-06 14:13:51,262 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:51,263 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:51,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:51,479 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:51,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:51,481 INFO L82 PathProgramCache]: Analyzing trace with hash 2044487759, now seen corresponding path program 1 times [2021-01-06 14:13:51,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:51,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855774952] [2021-01-06 14:13:51,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1234 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-01-06 14:13:52,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855774952] [2021-01-06 14:13:52,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564896119] [2021-01-06 14:13:52,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:52,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:52,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2021-01-06 14:13:53,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:53,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 14:13:53,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303216282] [2021-01-06 14:13:53,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:53,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:53,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:53,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:53,752 INFO L87 Difference]: Start difference. First operand 5166 states and 5549 transitions. Second operand 3 states. [2021-01-06 14:13:54,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:54,545 INFO L93 Difference]: Finished difference Result 5346 states and 5739 transitions. [2021-01-06 14:13:54,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:54,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 774 [2021-01-06 14:13:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:54,558 INFO L225 Difference]: With dead ends: 5346 [2021-01-06 14:13:54,559 INFO L226 Difference]: Without dead ends: 5344 [2021-01-06 14:13:54,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:54,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2021-01-06 14:13:54,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5166. [2021-01-06 14:13:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2021-01-06 14:13:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5548 transitions. [2021-01-06 14:13:54,650 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5548 transitions. Word has length 774 [2021-01-06 14:13:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:54,651 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5548 transitions. [2021-01-06 14:13:54,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5548 transitions. [2021-01-06 14:13:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2021-01-06 14:13:54,661 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:54,662 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:54,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-06 14:13:54,875 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1254496881, now seen corresponding path program 1 times [2021-01-06 14:13:54,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:54,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879931506] [2021-01-06 14:13:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1793 backedges. 1294 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-01-06 14:13:55,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879931506] [2021-01-06 14:13:55,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929070865] [2021-01-06 14:13:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:56,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:56,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1793 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2021-01-06 14:13:57,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:57,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 14:13:57,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642378797] [2021-01-06 14:13:57,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:57,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:57,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:57,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:57,017 INFO L87 Difference]: Start difference. First operand 5166 states and 5548 transitions. Second operand 3 states. [2021-01-06 14:13:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:57,748 INFO L93 Difference]: Finished difference Result 10864 states and 11663 transitions. [2021-01-06 14:13:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:57,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 786 [2021-01-06 14:13:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:57,760 INFO L225 Difference]: With dead ends: 10864 [2021-01-06 14:13:57,760 INFO L226 Difference]: Without dead ends: 4276 [2021-01-06 14:13:57,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:57,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2021-01-06 14:13:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4276. [2021-01-06 14:13:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2021-01-06 14:13:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4524 transitions. [2021-01-06 14:13:57,838 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4524 transitions. Word has length 786 [2021-01-06 14:13:57,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:57,839 INFO L481 AbstractCegarLoop]: Abstraction has 4276 states and 4524 transitions. [2021-01-06 14:13:57,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4524 transitions. [2021-01-06 14:13:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2021-01-06 14:13:57,855 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:57,856 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:58,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:58,071 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:58,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:58,073 INFO L82 PathProgramCache]: Analyzing trace with hash -447805660, now seen corresponding path program 1 times [2021-01-06 14:13:58,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:58,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285799086] [2021-01-06 14:13:58,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1842 proven. 155 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2021-01-06 14:13:59,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285799086] [2021-01-06 14:13:59,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526802426] [2021-01-06 14:13:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:59,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:13:59,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:14:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1842 proven. 155 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2021-01-06 14:14:00,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 14:14:00,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 14:14:00,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220678462] [2021-01-06 14:14:00,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:14:00,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:14:00,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:14:00,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:14:00,757 INFO L87 Difference]: Start difference. First operand 4276 states and 4524 transitions. Second operand 4 states. [2021-01-06 14:14:01,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:14:01,765 INFO L93 Difference]: Finished difference Result 9262 states and 9799 transitions. [2021-01-06 14:14:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:14:01,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 941 [2021-01-06 14:14:01,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:14:01,786 INFO L225 Difference]: With dead ends: 9262 [2021-01-06 14:14:01,787 INFO L226 Difference]: Without dead ends: 5166 [2021-01-06 14:14:01,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 942 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:14:01,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2021-01-06 14:14:01,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4810. [2021-01-06 14:14:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2021-01-06 14:14:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5082 transitions. [2021-01-06 14:14:01,948 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5082 transitions. Word has length 941 [2021-01-06 14:14:01,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:14:01,950 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 5082 transitions. [2021-01-06 14:14:01,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:14:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5082 transitions. [2021-01-06 14:14:01,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2021-01-06 14:14:01,967 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:14:01,970 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:14:02,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-06 14:14:02,186 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:14:02,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:14:02,187 INFO L82 PathProgramCache]: Analyzing trace with hash -96827813, now seen corresponding path program 1 times [2021-01-06 14:14:02,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:14:02,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998255613] [2021-01-06 14:14:02,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:14:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:14:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2966 backedges. 2101 proven. 260 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-01-06 14:14:03,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998255613] [2021-01-06 14:14:03,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138294077] [2021-01-06 14:14:03,994 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:14:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:14:04,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:14:04,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:14:05,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2966 backedges. 2152 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2021-01-06 14:14:05,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:14:05,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:14:05,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646016487] [2021-01-06 14:14:05,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:14:05,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:14:05,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:14:05,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:14:05,841 INFO L87 Difference]: Start difference. First operand 4810 states and 5082 transitions. Second operand 3 states. [2021-01-06 14:14:06,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:14:06,557 INFO L93 Difference]: Finished difference Result 9616 states and 10167 transitions. [2021-01-06 14:14:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:14:06,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 992 [2021-01-06 14:14:06,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:14:06,558 INFO L225 Difference]: With dead ends: 9616 [2021-01-06 14:14:06,558 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 14:14:06,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 991 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:14:06,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 14:14:06,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 14:14:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 14:14:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 14:14:06,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 992 [2021-01-06 14:14:06,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:14:06,566 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 14:14:06,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:14:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 14:14:06,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 14:14:06,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-06 14:14:06,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 14:14:07,093 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-01-06 14:14:07,288 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-01-06 14:14:07,292 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-01-06 14:14:07,292 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2021-01-06 14:14:07,292 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-01-06 14:14:07,292 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-01-06 14:14:07,293 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-01-06 14:14:07,293 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,293 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-01-06 14:14:07,294 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-01-06 14:14:07,295 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-01-06 14:14:07,296 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,296 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,296 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,296 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-01-06 14:14:07,296 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 14:14:07,296 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 14:14:07,297 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 14:14:07,297 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-01-06 14:14:07,297 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-01-06 14:14:07,297 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-01-06 14:14:07,297 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,298 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,298 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,298 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-01-06 14:14:07,298 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 14:14:07,300 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 14:14:07,300 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 14:14:07,300 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-01-06 14:14:07,300 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-01-06 14:14:07,300 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-01-06 14:14:07,300 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-01-06 14:14:07,300 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-01-06 14:14:07,301 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-01-06 14:14:07,302 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-01-06 14:14:07,303 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-01-06 14:14:07,303 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-01-06 14:14:07,303 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,303 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,303 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,304 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-01-06 14:14:07,304 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 14:14:07,304 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 14:14:07,304 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 14:14:07,304 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-01-06 14:14:07,305 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-01-06 14:14:07,305 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-01-06 14:14:07,305 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 14:14:07,305 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,305 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,305 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,305 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-01-06 14:14:07,306 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 14:14:07,306 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 14:14:07,306 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 14:14:07,306 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-01-06 14:14:07,306 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-01-06 14:14:07,308 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-01-06 14:14:07,308 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-01-06 14:14:07,308 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-01-06 14:14:07,308 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,308 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,308 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-01-06 14:14:07,309 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,310 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,310 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,310 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 14:14:07,310 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,311 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,312 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,313 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-01-06 14:14:07,314 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-01-06 14:14:07,315 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-01-06 14:14:07,316 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-01-06 14:14:07,317 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,318 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,319 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse1 (= ~a24~0 1)) (.cse4 (<= ~a21~0 7)) (.cse0 (<= ~a15~0 5)) (.cse3 (<= ~a12~0 11))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse2 (<= ~a24~0 1) (<= ~a15~0 8)) (and .cse1 (<= ~a21~0 9)) (and .cse4 .cse0 .cse3))) [2021-01-06 14:14:07,319 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-01-06 14:14:07,319 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-01-06 14:14:07,319 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 14:14:07,319 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 14:14:07,319 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-01-06 14:14:07,319 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-01-06 14:14:07,319 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-01-06 14:14:07,320 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,321 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse1 (= ~a24~0 1)) (.cse4 (<= ~a21~0 7)) (.cse0 (<= ~a15~0 5)) (.cse3 (<= ~a12~0 11))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse2 (<= ~a24~0 1) (<= ~a15~0 8)) (and .cse1 (<= ~a21~0 9)) (and .cse4 .cse0 .cse3))) [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 14:14:07,322 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 14:14:07,323 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 14:14:07,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 02:14:07 BoogieIcfgContainer [2021-01-06 14:14:07,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 14:14:07,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 14:14:07,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 14:14:07,370 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 14:14:07,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:24" (3/4) ... [2021-01-06 14:14:07,375 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 14:14:07,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 14:14:07,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 14:14:07,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:14:07,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:14:07,632 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label23.c-witness.graphml [2021-01-06 14:14:07,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 14:14:07,634 INFO L168 Benchmark]: Toolchain (without parser) took 46032.23 ms. Allocated memory was 157.3 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 130.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 192.0 MB. Max. memory is 8.0 GB. [2021-01-06 14:14:07,634 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 14:14:07,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.89 ms. Allocated memory is still 157.3 MB. Free memory was 129.9 MB in the beginning and 97.4 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-01-06 14:14:07,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.25 ms. Allocated memory is still 157.3 MB. Free memory was 97.4 MB in the beginning and 87.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 14:14:07,636 INFO L168 Benchmark]: Boogie Preprocessor took 181.04 ms. Allocated memory is still 157.3 MB. Free memory was 87.8 MB in the beginning and 130.7 MB in the end (delta: -43.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:14:07,636 INFO L168 Benchmark]: RCFGBuilder took 1733.34 ms. Allocated memory was 157.3 MB in the beginning and 205.5 MB in the end (delta: 48.2 MB). Free memory was 130.7 MB in the beginning and 135.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 90.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:14:07,637 INFO L168 Benchmark]: TraceAbstraction took 42904.26 ms. Allocated memory was 205.5 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 135.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 128.0 MB. Max. memory is 8.0 GB. [2021-01-06 14:14:07,637 INFO L168 Benchmark]: Witness Printer took 262.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:14:07,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 129.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 788.89 ms. Allocated memory is still 157.3 MB. Free memory was 129.9 MB in the beginning and 97.4 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 146.25 ms. Allocated memory is still 157.3 MB. Free memory was 97.4 MB in the beginning and 87.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 181.04 ms. Allocated memory is still 157.3 MB. Free memory was 87.8 MB in the beginning and 130.7 MB in the end (delta: -43.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1733.34 ms. Allocated memory was 157.3 MB in the beginning and 205.5 MB in the end (delta: 48.2 MB). Free memory was 130.7 MB in the beginning and 135.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 90.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42904.26 ms. Allocated memory was 205.5 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 135.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 128.0 MB. Max. memory is 8.0 GB. * Witness Printer took 262.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 110]: 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: (((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a21 <= 7 && 0 < a12 + 43) && a24 <= 1) && a15 <= 8)) || (a24 == 1 && a21 <= 9)) || ((a21 <= 7 && a15 <= 5) && a12 <= 11) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a21 <= 7 && 0 < a12 + 43) && a24 <= 1) && a15 <= 8)) || (a24 == 1 && a21 <= 9)) || ((a21 <= 7 && a15 <= 5) && a12 <= 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.2s, OverallIterations: 17, TraceHistogramMax: 9, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1519 SDtfs, 2093 SDslu, 92 SDs, 0 SdLazy, 8766 SolverSat, 1359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5883 GetRequests, 5841 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5166occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 2318 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 83 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3278 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 14290 NumberOfCodeBlocks, 14290 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 14265 ConstructedInterpolants, 0 QuantifiedInterpolants, 24510067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 7406 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 25 InterpolantComputations, 16 PerfectInterpolantSequences, 28803/30318 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...