/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem10_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 13:32:23,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 13:32:23,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 13:32:23,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 13:32:23,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 13:32:23,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 13:32:23,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 13:32:23,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 13:32:23,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 13:32:23,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 13:32:23,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 13:32:23,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 13:32:23,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 13:32:23,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 13:32:23,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 13:32:23,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 13:32:23,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 13:32:23,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 13:32:23,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 13:32:23,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 13:32:23,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 13:32:23,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 13:32:23,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 13:32:23,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 13:32:23,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 13:32:23,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 13:32:23,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 13:32:23,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 13:32:23,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 13:32:23,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 13:32:23,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 13:32:23,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 13:32:23,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 13:32:23,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 13:32:23,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 13:32:23,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 13:32:23,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 13:32:23,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 13:32:23,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 13:32:23,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 13:32:23,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 13:32:23,751 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 13:32:23,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 13:32:23,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 13:32:23,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 13:32:23,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 13:32:23,782 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 13:32:23,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 13:32:23,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 13:32:23,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 13:32:23,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 13:32:23,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 13:32:23,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 13:32:23,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 13:32:23,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 13:32:23,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 13:32:23,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 13:32:23,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 13:32:23,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 13:32:23,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 13:32:23,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 13:32:23,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 13:32:23,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 13:32:23,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 13:32:23,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 13:32:23,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 13:32:23,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 13:32:23,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 13:32:24,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 13:32:24,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 13:32:24,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 13:32:24,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 13:32:24,182 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 13:32:24,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2021-01-06 13:32:24,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5f4d364b0/f9d364ae0ac64841867c9dcb37fafd1c/FLAGda4611e9e [2021-01-06 13:32:25,201 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 13:32:25,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label56.c [2021-01-06 13:32:25,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5f4d364b0/f9d364ae0ac64841867c9dcb37fafd1c/FLAGda4611e9e [2021-01-06 13:32:25,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/5f4d364b0/f9d364ae0ac64841867c9dcb37fafd1c [2021-01-06 13:32:25,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 13:32:25,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 13:32:25,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 13:32:25,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 13:32:25,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 13:32:25,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:32:25" (1/1) ... [2021-01-06 13:32:25,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44206274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:25, skipping insertion in model container [2021-01-06 13:32:25,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:32:25" (1/1) ... [2021-01-06 13:32:25,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 13:32:25,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 13:32:25,708 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label56.c[2832,2845] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 13:32:25,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:32:25,979 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 13:32:26,003 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label56.c[2832,2845] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 13:32:26,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:32:26,191 INFO L208 MainTranslator]: Completed translation [2021-01-06 13:32:26,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26 WrapperNode [2021-01-06 13:32:26,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 13:32:26,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 13:32:26,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 13:32:26,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 13:32:26,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 13:32:26,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 13:32:26,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 13:32:26,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 13:32:26,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (1/1) ... [2021-01-06 13:32:26,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 13:32:26,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 13:32:26,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 13:32:26,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 13:32:26,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (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 13:32:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 13:32:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 13:32:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 13:32:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 13:32:28,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 13:32:28,045 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 13:32:28,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:32:28 BoogieIcfgContainer [2021-01-06 13:32:28,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 13:32:28,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 13:32:28,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 13:32:28,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 13:32:28,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 01:32:25" (1/3) ... [2021-01-06 13:32:28,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e32274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:32:28, skipping insertion in model container [2021-01-06 13:32:28,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:32:26" (2/3) ... [2021-01-06 13:32:28,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e32274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:32:28, skipping insertion in model container [2021-01-06 13:32:28,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:32:28" (3/3) ... [2021-01-06 13:32:28,061 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label56.c [2021-01-06 13:32:28,070 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 13:32:28,078 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 13:32:28,104 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 13:32:28,141 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 13:32:28,141 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 13:32:28,142 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 13:32:28,142 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 13:32:28,142 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 13:32:28,142 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 13:32:28,143 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 13:32:28,143 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 13:32:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-01-06 13:32:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 13:32:28,178 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:28,183 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] [2021-01-06 13:32:28,183 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:28,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:28,199 INFO L82 PathProgramCache]: Analyzing trace with hash -573341295, now seen corresponding path program 1 times [2021-01-06 13:32:28,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:28,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066846664] [2021-01-06 13:32:28,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:28,555 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 13:32:28,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066846664] [2021-01-06 13:32:28,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:28,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:32:28,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600258726] [2021-01-06 13:32:28,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:28,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:28,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:28,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:28,595 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-01-06 13:32:29,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:29,664 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-01-06 13:32:29,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:29,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-01-06 13:32:29,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:29,684 INFO L225 Difference]: With dead ends: 552 [2021-01-06 13:32:29,684 INFO L226 Difference]: Without dead ends: 282 [2021-01-06 13:32:29,690 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 13:32:29,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-01-06 13:32:29,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-01-06 13:32:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-01-06 13:32:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2021-01-06 13:32:29,806 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 23 [2021-01-06 13:32:29,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:29,807 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2021-01-06 13:32:29,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2021-01-06 13:32:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 13:32:29,815 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:29,816 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-01-06 13:32:29,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 13:32:29,818 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:29,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:29,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1923063836, now seen corresponding path program 1 times [2021-01-06 13:32:29,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:29,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470570758] [2021-01-06 13:32:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:30,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470570758] [2021-01-06 13:32:30,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:30,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:30,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139522404] [2021-01-06 13:32:30,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:30,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:30,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:30,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:30,025 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2021-01-06 13:32:30,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:30,616 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2021-01-06 13:32:30,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:30,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2021-01-06 13:32:30,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:30,621 INFO L225 Difference]: With dead ends: 701 [2021-01-06 13:32:30,622 INFO L226 Difference]: Without dead ends: 421 [2021-01-06 13:32:30,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:30,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-01-06 13:32:30,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-01-06 13:32:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 13:32:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2021-01-06 13:32:30,643 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 89 [2021-01-06 13:32:30,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:30,644 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2021-01-06 13:32:30,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2021-01-06 13:32:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 13:32:30,647 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:30,647 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:30,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 13:32:30,647 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:30,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:30,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1000843565, now seen corresponding path program 1 times [2021-01-06 13:32:30,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:30,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964072688] [2021-01-06 13:32:30,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:30,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964072688] [2021-01-06 13:32:30,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:30,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:32:30,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507188765] [2021-01-06 13:32:30,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:30,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:30,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:30,834 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2021-01-06 13:32:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:31,479 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2021-01-06 13:32:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:31,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-06 13:32:31,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:31,490 INFO L225 Difference]: With dead ends: 979 [2021-01-06 13:32:31,491 INFO L226 Difference]: Without dead ends: 560 [2021-01-06 13:32:31,492 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 13:32:31,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-01-06 13:32:31,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-01-06 13:32:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-01-06 13:32:31,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2021-01-06 13:32:31,526 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 96 [2021-01-06 13:32:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:31,530 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2021-01-06 13:32:31,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:31,531 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2021-01-06 13:32:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 13:32:31,535 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:31,536 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:31,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 13:32:31,537 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:31,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:31,538 INFO L82 PathProgramCache]: Analyzing trace with hash 2055444920, now seen corresponding path program 1 times [2021-01-06 13:32:31,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:31,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142003664] [2021-01-06 13:32:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:31,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142003664] [2021-01-06 13:32:31,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:31,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:31,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361681054] [2021-01-06 13:32:31,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:31,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:31,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:31,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:31,717 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2021-01-06 13:32:32,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:32,505 INFO L93 Difference]: Finished difference Result 1118 states and 1414 transitions. [2021-01-06 13:32:32,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:32,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 13:32:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:32,511 INFO L225 Difference]: With dead ends: 1118 [2021-01-06 13:32:32,511 INFO L226 Difference]: Without dead ends: 699 [2021-01-06 13:32:32,512 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 13:32:32,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-01-06 13:32:32,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-01-06 13:32:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2021-01-06 13:32:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 849 transitions. [2021-01-06 13:32:32,533 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 849 transitions. Word has length 98 [2021-01-06 13:32:32,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:32,534 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 849 transitions. [2021-01-06 13:32:32,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 849 transitions. [2021-01-06 13:32:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-01-06 13:32:32,538 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:32,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:32,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 13:32:32,539 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:32,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:32,539 INFO L82 PathProgramCache]: Analyzing trace with hash 964223200, now seen corresponding path program 1 times [2021-01-06 13:32:32,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:32,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611004707] [2021-01-06 13:32:32,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:32,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611004707] [2021-01-06 13:32:32,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:32,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:32:32,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553335581] [2021-01-06 13:32:32,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:32,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:32,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:32,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:32,679 INFO L87 Difference]: Start difference. First operand 699 states and 849 transitions. Second operand 3 states. [2021-01-06 13:32:33,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:33,378 INFO L93 Difference]: Finished difference Result 1535 states and 1880 transitions. [2021-01-06 13:32:33,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:33,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2021-01-06 13:32:33,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:33,384 INFO L225 Difference]: With dead ends: 1535 [2021-01-06 13:32:33,385 INFO L226 Difference]: Without dead ends: 977 [2021-01-06 13:32:33,386 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 13:32:33,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-01-06 13:32:33,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-01-06 13:32:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-01-06 13:32:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1122 transitions. [2021-01-06 13:32:33,411 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1122 transitions. Word has length 114 [2021-01-06 13:32:33,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:33,412 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1122 transitions. [2021-01-06 13:32:33,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1122 transitions. [2021-01-06 13:32:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-01-06 13:32:33,416 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:33,417 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:33,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 13:32:33,417 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:33,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:33,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1942408564, now seen corresponding path program 1 times [2021-01-06 13:32:33,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:33,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097416693] [2021-01-06 13:32:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:33,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097416693] [2021-01-06 13:32:33,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:33,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 13:32:33,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555902443] [2021-01-06 13:32:33,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 13:32:33,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:33,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 13:32:33,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:32:33,895 INFO L87 Difference]: Start difference. First operand 977 states and 1122 transitions. Second operand 7 states. [2021-01-06 13:32:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:34,648 INFO L93 Difference]: Finished difference Result 1868 states and 2153 transitions. [2021-01-06 13:32:34,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 13:32:34,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2021-01-06 13:32:34,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:34,654 INFO L225 Difference]: With dead ends: 1868 [2021-01-06 13:32:34,654 INFO L226 Difference]: Without dead ends: 977 [2021-01-06 13:32:34,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:32:34,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-01-06 13:32:34,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-01-06 13:32:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-01-06 13:32:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2021-01-06 13:32:34,679 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 171 [2021-01-06 13:32:34,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:34,680 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2021-01-06 13:32:34,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 13:32:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2021-01-06 13:32:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-01-06 13:32:34,684 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:34,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:34,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 13:32:34,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:34,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:34,686 INFO L82 PathProgramCache]: Analyzing trace with hash 955754418, now seen corresponding path program 1 times [2021-01-06 13:32:34,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:34,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954434455] [2021-01-06 13:32:34,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-01-06 13:32:34,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954434455] [2021-01-06 13:32:34,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:32:34,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:32:34,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029480213] [2021-01-06 13:32:34,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:34,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:34,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:34,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:32:34,904 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states. [2021-01-06 13:32:35,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:35,587 INFO L93 Difference]: Finished difference Result 1952 states and 2280 transitions. [2021-01-06 13:32:35,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:35,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2021-01-06 13:32:35,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:35,594 INFO L225 Difference]: With dead ends: 1952 [2021-01-06 13:32:35,595 INFO L226 Difference]: Without dead ends: 1116 [2021-01-06 13:32:35,596 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 13:32:35,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-01-06 13:32:35,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-01-06 13:32:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-01-06 13:32:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1272 transitions. [2021-01-06 13:32:35,623 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1272 transitions. Word has length 207 [2021-01-06 13:32:35,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:35,623 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1272 transitions. [2021-01-06 13:32:35,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1272 transitions. [2021-01-06 13:32:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-01-06 13:32:35,627 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:35,627 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:32:35,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 13:32:35,628 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:35,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1660805995, now seen corresponding path program 1 times [2021-01-06 13:32:35,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:35,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266238818] [2021-01-06 13:32:35,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-01-06 13:32:36,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266238818] [2021-01-06 13:32:36,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631624559] [2021-01-06 13:32:36,015 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 13:32:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:36,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 13:32:36,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:32:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-01-06 13:32:36,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:32:36,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-01-06 13:32:36,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575116248] [2021-01-06 13:32:36,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:32:36,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:36,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:32:36,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:32:36,768 INFO L87 Difference]: Start difference. First operand 1116 states and 1272 transitions. Second operand 3 states. [2021-01-06 13:32:37,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:32:37,460 INFO L93 Difference]: Finished difference Result 1813 states and 2067 transitions. [2021-01-06 13:32:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:32:37,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2021-01-06 13:32:37,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:32:37,470 INFO L225 Difference]: With dead ends: 1813 [2021-01-06 13:32:37,470 INFO L226 Difference]: Without dead ends: 1811 [2021-01-06 13:32:37,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:32:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2021-01-06 13:32:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2021-01-06 13:32:37,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2021-01-06 13:32:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2021-01-06 13:32:37,508 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 217 [2021-01-06 13:32:37,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:32:37,508 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2021-01-06 13:32:37,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:32:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2021-01-06 13:32:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-01-06 13:32:37,514 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:32:37,514 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:32:37,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-01-06 13:32:37,729 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:32:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:32:37,730 INFO L82 PathProgramCache]: Analyzing trace with hash 666553426, now seen corresponding path program 1 times [2021-01-06 13:32:37,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:32:37,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788372274] [2021-01-06 13:32:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:32:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 26 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:38,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788372274] [2021-01-06 13:32:38,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904427723] [2021-01-06 13:32:38,456 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 13:32:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:32:38,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-06 13:32:38,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:32:39,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 13:32:39,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:32:39,250 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:39,570 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:40,027 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:40,582 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:41,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 13:32:41,082 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:41,184 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:41,295 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:41,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 13:32:41,471 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:41,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 13:32:41,543 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:41,716 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:42,075 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:42,498 INFO L757 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:42,767 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 13:32:42,802 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:42,905 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:42,964 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:43,024 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 13:32:43,124 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:43,288 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:43,484 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:32:44,103 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 27 [2021-01-06 13:32:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 21 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:32:44,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 13:32:44,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-01-06 13:32:44,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821705165] [2021-01-06 13:32:44,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 13:32:44,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:32:44,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 13:32:44,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-01-06 13:32:44,652 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 8 states. [2021-01-06 13:32:47,070 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-01-06 13:33:18,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:33:18,022 INFO L93 Difference]: Finished difference Result 4470 states and 5261 transitions. [2021-01-06 13:33:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 13:33:18,026 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 271 [2021-01-06 13:33:18,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:33:18,045 INFO L225 Difference]: With dead ends: 4470 [2021-01-06 13:33:18,045 INFO L226 Difference]: Without dead ends: 3340 [2021-01-06 13:33:18,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-01-06 13:33:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2021-01-06 13:33:18,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2645. [2021-01-06 13:33:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2021-01-06 13:33:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3070 transitions. [2021-01-06 13:33:18,163 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3070 transitions. Word has length 271 [2021-01-06 13:33:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:33:18,164 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 3070 transitions. [2021-01-06 13:33:18,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 13:33:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3070 transitions. [2021-01-06 13:33:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-01-06 13:33:18,170 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:33:18,171 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 13:33:18,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 13:33:18,372 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:33:18,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:33:18,374 INFO L82 PathProgramCache]: Analyzing trace with hash -546114320, now seen corresponding path program 1 times [2021-01-06 13:33:18,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:33:18,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019446174] [2021-01-06 13:33:18,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:33:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:33:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-01-06 13:33:18,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019446174] [2021-01-06 13:33:18,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:33:18,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 13:33:18,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934613705] [2021-01-06 13:33:18,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 13:33:18,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:33:18,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 13:33:18,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:33:18,808 INFO L87 Difference]: Start difference. First operand 2645 states and 3070 transitions. Second operand 5 states. [2021-01-06 13:33:19,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:33:19,997 INFO L93 Difference]: Finished difference Result 5171 states and 6017 transitions. [2021-01-06 13:33:19,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 13:33:19,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2021-01-06 13:33:19,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:33:20,009 INFO L225 Difference]: With dead ends: 5171 [2021-01-06 13:33:20,010 INFO L226 Difference]: Without dead ends: 2645 [2021-01-06 13:33:20,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 13:33:20,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2021-01-06 13:33:20,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2645. [2021-01-06 13:33:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2021-01-06 13:33:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 2917 transitions. [2021-01-06 13:33:20,067 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 2917 transitions. Word has length 303 [2021-01-06 13:33:20,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:33:20,068 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 2917 transitions. [2021-01-06 13:33:20,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 13:33:20,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 2917 transitions. [2021-01-06 13:33:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-01-06 13:33:20,076 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:33:20,076 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 13:33:20,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 13:33:20,077 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:33:20,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:33:20,078 INFO L82 PathProgramCache]: Analyzing trace with hash 960030519, now seen corresponding path program 1 times [2021-01-06 13:33:20,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:33:20,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056416039] [2021-01-06 13:33:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:33:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:33:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-01-06 13:33:20,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056416039] [2021-01-06 13:33:20,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091238137] [2021-01-06 13:33:20,398 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 13:33:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:33:20,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 13:33:20,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:33:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 21 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-01-06 13:33:21,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 13:33:21,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 13:33:21,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611542570] [2021-01-06 13:33:21,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:33:21,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:33:21,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:33:21,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:33:21,029 INFO L87 Difference]: Start difference. First operand 2645 states and 2917 transitions. Second operand 4 states. [2021-01-06 13:33:22,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:33:22,462 INFO L93 Difference]: Finished difference Result 6956 states and 7722 transitions. [2021-01-06 13:33:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 13:33:22,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 325 [2021-01-06 13:33:22,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:33:22,492 INFO L225 Difference]: With dead ends: 6956 [2021-01-06 13:33:22,492 INFO L226 Difference]: Without dead ends: 4452 [2021-01-06 13:33:22,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:33:22,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4452 states. [2021-01-06 13:33:22,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4452 to 3757. [2021-01-06 13:33:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3757 states. [2021-01-06 13:33:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 4133 transitions. [2021-01-06 13:33:22,595 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 4133 transitions. Word has length 325 [2021-01-06 13:33:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:33:22,596 INFO L481 AbstractCegarLoop]: Abstraction has 3757 states and 4133 transitions. [2021-01-06 13:33:22,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:33:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 4133 transitions. [2021-01-06 13:33:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-01-06 13:33:22,609 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:33:22,610 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:22,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 13:33:22,825 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:33:22,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:33:22,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1688260000, now seen corresponding path program 1 times [2021-01-06 13:33:22,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:33:22,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323759904] [2021-01-06 13:33:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:33:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:33:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 467 proven. 65 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-01-06 13:33:23,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323759904] [2021-01-06 13:33:23,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085471844] [2021-01-06 13:33:23,766 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 13:33:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:33:23,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 15 conjunts are in the unsatisfiable core [2021-01-06 13:33:23,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:33:24,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 13:33:24,286 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 13:33:24,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 13:33:24,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 13:33:24,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 13:33:24,442 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:33:24,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 13:33:24,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 13:33:24,513 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:33:24,687 INFO L757 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:33:24,978 INFO L757 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-01-06 13:33:26,057 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 168 proven. 320 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-01-06 13:33:26,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 13:33:26,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-01-06 13:33:26,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369643976] [2021-01-06 13:33:26,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 13:33:26,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:33:26,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 13:33:26,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 13:33:26,061 INFO L87 Difference]: Start difference. First operand 3757 states and 4133 transitions. Second operand 11 states. [2021-01-06 13:33:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:33:33,875 INFO L93 Difference]: Finished difference Result 12434 states and 13551 transitions. [2021-01-06 13:33:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-01-06 13:33:33,875 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 419 [2021-01-06 13:33:33,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:33:33,910 INFO L225 Difference]: With dead ends: 12434 [2021-01-06 13:33:33,911 INFO L226 Difference]: Without dead ends: 8818 [2021-01-06 13:33:33,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=389, Invalid=1251, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 13:33:33,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8818 states. [2021-01-06 13:33:34,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8818 to 4174. [2021-01-06 13:33:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4174 states. [2021-01-06 13:33:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4174 states to 4174 states and 4581 transitions. [2021-01-06 13:33:34,045 INFO L78 Accepts]: Start accepts. Automaton has 4174 states and 4581 transitions. Word has length 419 [2021-01-06 13:33:34,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:33:34,046 INFO L481 AbstractCegarLoop]: Abstraction has 4174 states and 4581 transitions. [2021-01-06 13:33:34,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 13:33:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4174 states and 4581 transitions. [2021-01-06 13:33:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-01-06 13:33:34,064 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:33:34,065 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:33:34,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 13:33:34,281 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:33:34,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:33:34,282 INFO L82 PathProgramCache]: Analyzing trace with hash 615073138, now seen corresponding path program 1 times [2021-01-06 13:33:34,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:33:34,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223591733] [2021-01-06 13:33:34,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:33:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:33:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 547 proven. 125 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-01-06 13:33:35,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223591733] [2021-01-06 13:33:35,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256140368] [2021-01-06 13:33:35,326 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 13:33:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:33:35,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 13:33:35,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:33:36,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-06 13:33:36,105 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-06 13:33:36,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-01-06 13:33:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 563 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-01-06 13:33:36,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 13:33:36,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-01-06 13:33:36,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695360808] [2021-01-06 13:33:36,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 13:33:36,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:33:36,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 13:33:36,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-01-06 13:33:36,409 INFO L87 Difference]: Start difference. First operand 4174 states and 4581 transitions. Second operand 9 states. [2021-01-06 13:33:39,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:33:39,576 INFO L93 Difference]: Finished difference Result 10183 states and 11175 transitions. [2021-01-06 13:33:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 13:33:39,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 533 [2021-01-06 13:33:39,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:33:39,578 INFO L225 Difference]: With dead ends: 10183 [2021-01-06 13:33:39,578 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 13:33:39,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2021-01-06 13:33:39,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 13:33:39,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 13:33:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 13:33:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 13:33:39,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 533 [2021-01-06 13:33:39,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:33:39,597 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 13:33:39,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 13:33:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 13:33:39,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 13:33:39,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-06 13:33:39,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 13:33:40,229 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 206 [2021-01-06 13:33:40,566 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 206 [2021-01-06 13:33:44,551 WARN L197 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 186 DAG size of output: 72 [2021-01-06 13:33:46,552 WARN L197 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 186 DAG size of output: 72 [2021-01-06 13:33:46,558 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2021-01-06 13:33:46,558 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-01-06 13:33:46,558 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-01-06 13:33:46,558 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-01-06 13:33:46,558 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-01-06 13:33:46,558 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-01-06 13:33:46,558 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 13:33:46,559 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 13:33:46,560 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 13:33:46,560 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 13:33:46,560 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 13:33:46,560 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 13:33:46,560 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-01-06 13:33:46,560 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-01-06 13:33:46,561 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-01-06 13:33:46,561 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-01-06 13:33:46,561 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-01-06 13:33:46,561 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-01-06 13:33:46,561 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,561 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,562 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,562 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,562 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,562 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,562 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-01-06 13:33:46,562 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-01-06 13:33:46,563 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 13:33:46,564 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,565 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 13:33:46,566 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-01-06 13:33:46,567 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,568 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 13:33:46,569 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse10 (<= 56 ~a1~0)) (.cse8 (= ~a10~0 0)) (.cse7 (= ~a19~0 8)) (.cse6 (= ~a10~0 4)) (.cse0 (= ~a10~0 3)) (.cse9 (= ~a19~0 9)) (.cse11 (<= ~a1~0 589865)) (.cse5 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a1~0 505232)) (.cse4 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (<= ~a1~0 12) .cse1 .cse2) (and .cse1 .cse2 .cse4 (<= (+ ~a1~0 (div (+ (* ~a1~0 (- 1)) (- 545163)) (- 9)) 39892) 0) .cse6) (and .cse1 (= ~a10~0 2) .cse2 .cse4) (and .cse7 .cse1 .cse2 .cse6 (<= (+ ~a1~0 14285) 0)) (and .cse1 .cse8 .cse2 .cse9) (and .cse1 .cse2 (or (and .cse9 .cse3 .cse6) (and .cse3 .cse10 .cse4 .cse6))) (and .cse7 .cse5 .cse1 .cse2) (and .cse5 (<= 9 ~a19~0) .cse1 .cse2 (<= 219 ~a1~0) .cse11) (and .cse1 .cse8 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse10) (and (<= ~a1~0 505271) .cse1 .cse8 .cse2 .cse4) (and (< 218 ~a1~0) .cse7 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse2 .cse9 .cse11) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-01-06 13:33:46,569 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-01-06 13:33:46,570 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-01-06 13:33:46,571 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-01-06 13:33:46,572 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-01-06 13:33:46,573 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-01-06 13:33:46,574 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse10 (<= 56 ~a1~0)) (.cse8 (= ~a10~0 0)) (.cse7 (= ~a19~0 8)) (.cse6 (= ~a10~0 4)) (.cse0 (= ~a10~0 3)) (.cse9 (= ~a19~0 9)) (.cse11 (<= ~a1~0 589865)) (.cse5 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a1~0 505232)) (.cse4 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (<= ~a1~0 12) .cse1 .cse2) (and .cse1 .cse2 .cse4 (<= (+ ~a1~0 (div (+ (* ~a1~0 (- 1)) (- 545163)) (- 9)) 39892) 0) .cse6) (and .cse1 (= ~a10~0 2) .cse2 .cse4) (and .cse7 .cse1 .cse2 .cse6 (<= (+ ~a1~0 14285) 0)) (and .cse1 .cse8 .cse2 .cse9) (and .cse1 .cse2 (or (and .cse9 .cse3 .cse6) (and .cse3 .cse10 .cse4 .cse6))) (and .cse7 .cse5 .cse1 .cse2) (and .cse5 (<= 9 ~a19~0) .cse1 .cse2 (<= 219 ~a1~0) .cse11) (and .cse1 .cse8 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse10) (and (<= ~a1~0 505271) .cse1 .cse8 .cse2 .cse4) (and (< 218 ~a1~0) .cse7 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse2 .cse9 .cse11) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,575 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-01-06 13:33:46,576 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-01-06 13:33:46,577 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-01-06 13:33:46,578 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-01-06 13:33:46,578 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 13:33:46,578 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 13:33:46,578 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 13:33:46,578 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 13:33:46,578 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 13:33:46,578 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 13:33:46,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 01:33:46 BoogieIcfgContainer [2021-01-06 13:33:46,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 13:33:46,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 13:33:46,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 13:33:46,634 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 13:33:46,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:32:28" (3/4) ... [2021-01-06 13:33:46,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 13:33:46,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 13:33:46,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 13:33:46,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:33:46,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:33:46,840 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label56.c-witness.graphml [2021-01-06 13:33:46,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 13:33:46,841 INFO L168 Benchmark]: Toolchain (without parser) took 81424.47 ms. Allocated memory was 151.0 MB in the beginning and 587.2 MB in the end (delta: 436.2 MB). Free memory was 124.9 MB in the beginning and 320.2 MB in the end (delta: -195.2 MB). Peak memory consumption was 241.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:33:46,842 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 13:33:46,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.81 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 127.9 MB in the end (delta: -3.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2021-01-06 13:33:46,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.36 ms. Allocated memory is still 151.0 MB. Free memory was 127.9 MB in the beginning and 120.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-01-06 13:33:46,843 INFO L168 Benchmark]: Boogie Preprocessor took 142.18 ms. Allocated memory is still 151.0 MB. Free memory was 120.1 MB in the beginning and 114.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 13:33:46,843 INFO L168 Benchmark]: RCFGBuilder took 1604.61 ms. Allocated memory is still 151.0 MB. Free memory was 114.8 MB in the beginning and 90.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 74.4 MB. Max. memory is 8.0 GB. [2021-01-06 13:33:46,844 INFO L168 Benchmark]: TraceAbstraction took 78582.82 ms. Allocated memory was 151.0 MB in the beginning and 587.2 MB in the end (delta: 436.2 MB). Free memory was 90.8 MB in the beginning and 335.4 MB in the end (delta: -244.6 MB). Peak memory consumption was 323.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:33:46,844 INFO L168 Benchmark]: Witness Printer took 206.22 ms. Allocated memory is still 587.2 MB. Free memory was 335.4 MB in the beginning and 320.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:33:46,847 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 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 772.81 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 127.9 MB in the end (delta: -3.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 105.36 ms. Allocated memory is still 151.0 MB. Free memory was 127.9 MB in the beginning and 120.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 142.18 ms. Allocated memory is still 151.0 MB. Free memory was 120.1 MB in the beginning and 114.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1604.61 ms. Allocated memory is still 151.0 MB. Free memory was 114.8 MB in the beginning and 90.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 74.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 78582.82 ms. Allocated memory was 151.0 MB in the beginning and 587.2 MB in the end (delta: 436.2 MB). Free memory was 90.8 MB in the beginning and 335.4 MB in the end (delta: -244.6 MB). Peak memory consumption was 323.7 MB. Max. memory is 8.0 GB. * Witness Printer took 206.22 ms. Allocated memory is still 587.2 MB. Free memory was 335.4 MB in the beginning and 320.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((((((((((((a10 == 3 && 14 == a4) && a12 == 0) && a1 <= 505232) && a19 <= 9) || (((a10 == 1 && a1 <= 12) && 14 == a4) && a12 == 0)) || ((((14 == a4 && a12 == 0) && a19 <= 9) && a1 + (a1 * -1 + -545163) / -9 + 39892 <= 0) && a10 == 4)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) && a1 + 14285 <= 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 == 9)) || ((14 == a4 && a12 == 0) && (((a19 == 9 && a1 <= 505232) && a10 == 4) || (((a1 <= 505232 && 56 <= a1) && a19 <= 9) && a10 == 4)))) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0) && 219 <= a1) && a1 <= 589865)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 505232)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && 56 <= a1)) || ((((a1 <= 505271 && 14 == a4) && a10 == 0) && a12 == 0) && a19 <= 9)) || ((((218 < a1 && a19 == 8) && 14 == a4) && a12 == 0) && a10 == 4)) || ((((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9) && a1 <= 589865)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((((((a10 == 3 && 14 == a4) && a12 == 0) && a1 <= 505232) && a19 <= 9) || (((a10 == 1 && a1 <= 12) && 14 == a4) && a12 == 0)) || ((((14 == a4 && a12 == 0) && a19 <= 9) && a1 + (a1 * -1 + -545163) / -9 + 39892 <= 0) && a10 == 4)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) && a1 + 14285 <= 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 == 9)) || ((14 == a4 && a12 == 0) && (((a19 == 9 && a1 <= 505232) && a10 == 4) || (((a1 <= 505232 && 56 <= a1) && a19 <= 9) && a10 == 4)))) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0) && 219 <= a1) && a1 <= 589865)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 505232)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && 56 <= a1)) || ((((a1 <= 505271 && 14 == a4) && a10 == 0) && a12 == 0) && a19 <= 9)) || ((((218 < a1 && a19 == 8) && 14 == a4) && a12 == 0) && a10 == 4)) || ((((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9) && a1 <= 589865)) || ((((a10 == 1 && 14 == a4) && a12 == 0) && a1 <= 505232) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.6s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 53.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1094 SDtfs, 3509 SDslu, 224 SDs, 0 SdLazy, 12017 SolverSat, 2065 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 44.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1842 GetRequests, 1765 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4174occurred 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: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 6590 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 105 NumberOfFragments, 511 HoareAnnotationTreeSize, 3 FomulaSimplifications, 40086 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18400 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 4631 NumberOfCodeBlocks, 4631 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4613 ConstructedInterpolants, 21 QuantifiedInterpolants, 9505889 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2493 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 3508/4490 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...