/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/Problem01_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:51:28,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:51:28,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:51:28,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:51:28,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:51:28,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:51:28,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:51:28,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:51:28,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:51:28,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:51:28,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:51:28,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:51:28,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:51:28,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:51:28,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:51:28,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:51:28,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:51:28,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:51:28,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:51:28,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:51:28,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:51:28,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:51:28,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:51:28,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:51:28,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:51:28,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:51:28,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:51:28,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:51:28,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:51:28,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:51:28,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:51:28,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:51:28,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:51:28,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:51:28,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:51:28,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:51:28,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:51:28,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:51:28,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:51:28,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:51:28,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:51:28,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:51:28,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:51:28,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:51:28,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:51:28,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:51:28,511 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:51:28,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:51:28,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:51:28,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:51:28,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:51:28,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:51:28,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:51:28,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:51:28,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:51:28,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:51:28,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:51:28,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:51:28,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:51:28,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:51:28,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:51:28,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:51:28,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:51:28,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:51:28,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:51:28,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:51:28,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:51:28,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:51:28,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:51:28,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:51:28,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:51:28,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:51:28,981 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:51:28,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label12.c [2020-12-23 01:51:29,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a74bf8acf/e00ba5eda21c43d1b36d75d240c7cb92/FLAGf308f5481 [2020-12-23 01:51:29,984 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:51:29,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label12.c [2020-12-23 01:51:30,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a74bf8acf/e00ba5eda21c43d1b36d75d240c7cb92/FLAGf308f5481 [2020-12-23 01:51:30,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a74bf8acf/e00ba5eda21c43d1b36d75d240c7cb92 [2020-12-23 01:51:30,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:51:30,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:51:30,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:51:30,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:51:30,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:51:30,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:51:30" (1/1) ... [2020-12-23 01:51:30,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcdd3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:30, skipping insertion in model container [2020-12-23 01:51:30,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:51:30" (1/1) ... [2020-12-23 01:51:30,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:51:30,275 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:51:30,781 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/Problem01_label12.c[20469,20482] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:51:30,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:51:30,842 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2020-12-23 01:51:31,118 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/Problem01_label12.c[20469,20482] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:51:31,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:51:31,162 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:51:31,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31 WrapperNode [2020-12-23 01:51:31,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:51:31,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:51:31,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:51:31,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:51:31,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:51:31,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:51:31,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:51:31,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:51:31,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... [2020-12-23 01:51:31,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:51:31,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:51:31,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:51:31,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:51:31,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:51:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:51:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:51:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:51:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:51:32,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:51:32,857 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:51:32,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:51:32 BoogieIcfgContainer [2020-12-23 01:51:32,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:51:32,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:51:32,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:51:32,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:51:32,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:51:30" (1/3) ... [2020-12-23 01:51:32,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b698f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:51:32, skipping insertion in model container [2020-12-23 01:51:32,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:51:31" (2/3) ... [2020-12-23 01:51:32,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b698f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:51:32, skipping insertion in model container [2020-12-23 01:51:32,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:51:32" (3/3) ... [2020-12-23 01:51:32,871 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label12.c [2020-12-23 01:51:32,879 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:51:32,886 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:51:32,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:51:32,940 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:51:32,941 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:51:32,941 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:51:32,941 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:51:32,941 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:51:32,941 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:51:32,942 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:51:32,942 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:51:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-23 01:51:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 01:51:32,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:32,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:32,981 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:32,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:32,990 INFO L82 PathProgramCache]: Analyzing trace with hash -56899633, now seen corresponding path program 1 times [2020-12-23 01:51:33,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:33,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795228418] [2020-12-23 01:51:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:51:33,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795228418] [2020-12-23 01:51:33,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:51:33,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:51:33,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259001182] [2020-12-23 01:51:33,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:33,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:33,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:33,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:33,744 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-12-23 01:51:34,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:34,776 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2020-12-23 01:51:34,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:34,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 01:51:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:34,821 INFO L225 Difference]: With dead ends: 528 [2020-12-23 01:51:34,821 INFO L226 Difference]: Without dead ends: 266 [2020-12-23 01:51:34,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:34,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-23 01:51:34,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-23 01:51:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-23 01:51:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-12-23 01:51:34,925 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 120 [2020-12-23 01:51:34,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:34,926 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-12-23 01:51:34,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-12-23 01:51:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 01:51:34,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:34,931 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:34,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:51:34,932 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:34,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:34,933 INFO L82 PathProgramCache]: Analyzing trace with hash -2046521246, now seen corresponding path program 1 times [2020-12-23 01:51:34,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:34,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172752812] [2020-12-23 01:51:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:51:35,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172752812] [2020-12-23 01:51:35,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:51:35,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:51:35,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588019568] [2020-12-23 01:51:35,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:35,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:35,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:35,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:35,020 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-12-23 01:51:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:35,662 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-12-23 01:51:35,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:35,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-23 01:51:35,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:35,668 INFO L225 Difference]: With dead ends: 792 [2020-12-23 01:51:35,668 INFO L226 Difference]: Without dead ends: 528 [2020-12-23 01:51:35,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:35,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-23 01:51:35,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-12-23 01:51:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-12-23 01:51:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2020-12-23 01:51:35,707 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 126 [2020-12-23 01:51:35,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:35,708 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2020-12-23 01:51:35,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2020-12-23 01:51:35,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 01:51:35,714 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:35,714 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:35,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:51:35,715 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:35,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:35,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1403860126, now seen corresponding path program 1 times [2020-12-23 01:51:35,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:35,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775246751] [2020-12-23 01:51:35,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:51:36,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775246751] [2020-12-23 01:51:36,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:51:36,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:51:36,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225683948] [2020-12-23 01:51:36,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:51:36,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:36,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:51:36,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:51:36,112 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand 4 states. [2020-12-23 01:51:37,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:37,064 INFO L93 Difference]: Finished difference Result 1411 states and 1882 transitions. [2020-12-23 01:51:37,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:51:37,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2020-12-23 01:51:37,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:37,070 INFO L225 Difference]: With dead ends: 1411 [2020-12-23 01:51:37,071 INFO L226 Difference]: Without dead ends: 790 [2020-12-23 01:51:37,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:51:37,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-12-23 01:51:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2020-12-23 01:51:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-12-23 01:51:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 918 transitions. [2020-12-23 01:51:37,099 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 918 transitions. Word has length 127 [2020-12-23 01:51:37,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:37,100 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 918 transitions. [2020-12-23 01:51:37,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:51:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 918 transitions. [2020-12-23 01:51:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 01:51:37,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:37,104 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:37,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:51:37,104 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:37,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:37,105 INFO L82 PathProgramCache]: Analyzing trace with hash 941886709, now seen corresponding path program 1 times [2020-12-23 01:51:37,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:37,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071964943] [2020-12-23 01:51:37,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:51:37,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071964943] [2020-12-23 01:51:37,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424281405] [2020-12-23 01:51:37,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:37,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:37,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:51:37,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:37,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:37,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594029697] [2020-12-23 01:51:37,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:37,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:37,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:37,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:37,638 INFO L87 Difference]: Start difference. First operand 790 states and 918 transitions. Second operand 3 states. [2020-12-23 01:51:38,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:38,211 INFO L93 Difference]: Finished difference Result 2102 states and 2481 transitions. [2020-12-23 01:51:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:38,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-12-23 01:51:38,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:38,220 INFO L225 Difference]: With dead ends: 2102 [2020-12-23 01:51:38,220 INFO L226 Difference]: Without dead ends: 1314 [2020-12-23 01:51:38,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:38,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-12-23 01:51:38,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-12-23 01:51:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-12-23 01:51:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1506 transitions. [2020-12-23 01:51:38,257 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1506 transitions. Word has length 132 [2020-12-23 01:51:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:38,257 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1506 transitions. [2020-12-23 01:51:38,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1506 transitions. [2020-12-23 01:51:38,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-23 01:51:38,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:38,261 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:38,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:38,474 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:38,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:38,476 INFO L82 PathProgramCache]: Analyzing trace with hash -445570656, now seen corresponding path program 1 times [2020-12-23 01:51:38,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:38,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430860766] [2020-12-23 01:51:38,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:51:38,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430860766] [2020-12-23 01:51:38,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:51:38,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:51:38,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176644301] [2020-12-23 01:51:38,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:51:38,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:38,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:51:38,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:51:38,585 INFO L87 Difference]: Start difference. First operand 1314 states and 1506 transitions. Second operand 4 states. [2020-12-23 01:51:39,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:39,426 INFO L93 Difference]: Finished difference Result 3150 states and 3649 transitions. [2020-12-23 01:51:39,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:51:39,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2020-12-23 01:51:39,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:39,437 INFO L225 Difference]: With dead ends: 3150 [2020-12-23 01:51:39,438 INFO L226 Difference]: Without dead ends: 1969 [2020-12-23 01:51:39,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:51:39,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-12-23 01:51:39,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2020-12-23 01:51:39,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-12-23 01:51:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1961 transitions. [2020-12-23 01:51:39,484 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1961 transitions. Word has length 135 [2020-12-23 01:51:39,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:39,485 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1961 transitions. [2020-12-23 01:51:39,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:51:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1961 transitions. [2020-12-23 01:51:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-23 01:51:39,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:39,489 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:39,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 01:51:39,490 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:39,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:39,490 INFO L82 PathProgramCache]: Analyzing trace with hash 766710530, now seen corresponding path program 1 times [2020-12-23 01:51:39,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:39,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922540051] [2020-12-23 01:51:39,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 01:51:39,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922540051] [2020-12-23 01:51:39,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:51:39,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:51:39,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272034345] [2020-12-23 01:51:39,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:39,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:39,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:39,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:39,554 INFO L87 Difference]: Start difference. First operand 1707 states and 1961 transitions. Second operand 3 states. [2020-12-23 01:51:40,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:40,147 INFO L93 Difference]: Finished difference Result 4067 states and 4661 transitions. [2020-12-23 01:51:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:40,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-12-23 01:51:40,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:40,162 INFO L225 Difference]: With dead ends: 4067 [2020-12-23 01:51:40,162 INFO L226 Difference]: Without dead ends: 2362 [2020-12-23 01:51:40,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:51:40,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-12-23 01:51:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2020-12-23 01:51:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-12-23 01:51:40,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2259 transitions. [2020-12-23 01:51:40,231 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2259 transitions. Word has length 144 [2020-12-23 01:51:40,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:40,232 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2259 transitions. [2020-12-23 01:51:40,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2259 transitions. [2020-12-23 01:51:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-12-23 01:51:40,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:40,243 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:40,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:51:40,243 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:40,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:40,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1203929905, now seen corresponding path program 1 times [2020-12-23 01:51:40,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:40,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188860290] [2020-12-23 01:51:40,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 01:51:40,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188860290] [2020-12-23 01:51:40,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925910741] [2020-12-23 01:51:40,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:40,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:40,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-23 01:51:40,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:40,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:40,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970223524] [2020-12-23 01:51:40,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:40,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:40,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:40,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:40,900 INFO L87 Difference]: Start difference. First operand 1969 states and 2259 transitions. Second operand 3 states. [2020-12-23 01:51:41,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:41,421 INFO L93 Difference]: Finished difference Result 4460 states and 5120 transitions. [2020-12-23 01:51:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:41,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-12-23 01:51:41,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:41,434 INFO L225 Difference]: With dead ends: 4460 [2020-12-23 01:51:41,434 INFO L226 Difference]: Without dead ends: 2362 [2020-12-23 01:51:41,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:41,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-12-23 01:51:41,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2020-12-23 01:51:41,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-12-23 01:51:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2244 transitions. [2020-12-23 01:51:41,487 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2244 transitions. Word has length 150 [2020-12-23 01:51:41,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:41,489 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2244 transitions. [2020-12-23 01:51:41,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:41,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2244 transitions. [2020-12-23 01:51:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-23 01:51:41,495 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:51:41,495 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:51:41,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:41,711 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:51:41,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:51:41,712 INFO L82 PathProgramCache]: Analyzing trace with hash -355501139, now seen corresponding path program 1 times [2020-12-23 01:51:41,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:51:41,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249230138] [2020-12-23 01:51:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:51:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-23 01:51:41,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249230138] [2020-12-23 01:51:41,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497747888] [2020-12-23 01:51:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:51:41,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:51:41,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:51:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-23 01:51:42,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:51:42,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:51:42,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652159482] [2020-12-23 01:51:42,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:51:42,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:51:42,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:51:42,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:42,165 INFO L87 Difference]: Start difference. First operand 1969 states and 2244 transitions. Second operand 3 states. [2020-12-23 01:51:42,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:51:42,655 INFO L93 Difference]: Finished difference Result 4065 states and 4650 transitions. [2020-12-23 01:51:42,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:51:42,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-12-23 01:51:42,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:51:42,656 INFO L225 Difference]: With dead ends: 4065 [2020-12-23 01:51:42,656 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:51:42,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:51:42,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:51:42,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:51:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:51:42,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:51:42,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-12-23 01:51:42,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:51:42,662 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:51:42,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:51:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:51:42,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:51:42,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:51:42,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:51:43,093 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-12-23 01:51:43,220 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-12-23 01:51:43,224 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-23 01:51:43,225 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-23 01:51:43,225 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-23 01:51:43,225 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-23 01:51:43,225 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-23 01:51:43,225 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-23 01:51:43,225 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-23 01:51:43,225 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,226 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-23 01:51:43,227 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,228 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-23 01:51:43,229 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,230 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-23 01:51:43,231 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,232 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-23 01:51:43,233 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,234 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-23 01:51:43,235 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-23 01:51:43,236 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-23 01:51:43,237 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-23 01:51:43,238 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-23 01:51:43,238 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-23 01:51:43,238 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-23 01:51:43,238 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-23 01:51:43,238 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-23 01:51:43,239 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse2 (= ~a12~0 8)) (.cse3 (= ~a20~0 1)) (.cse6 (<= ~a8~0 13)) (.cse5 (<= ~a17~0 0)) (.cse7 (not (= ~a7~0 1))) (.cse8 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3) (and .cse1 .cse6) (and .cse0 .cse2 .cse3 .cse7 .cse4) (and (<= ~a16~0 5) .cse5) (and .cse3 .cse6) (and .cse5 .cse8) (and .cse7 .cse8 .cse4))) [2020-12-23 01:51:43,239 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,239 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,239 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-23 01:51:43,240 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-23 01:51:43,241 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-23 01:51:43,241 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,242 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,242 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,242 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,242 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-23 01:51:43,244 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-23 01:51:43,245 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-23 01:51:43,246 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-23 01:51:43,247 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-23 01:51:43,247 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,248 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse2 (= ~a12~0 8)) (.cse3 (= ~a20~0 1)) (.cse6 (<= ~a8~0 13)) (.cse5 (<= ~a17~0 0)) (.cse7 (not (= ~a7~0 1))) (.cse8 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3) (and .cse1 .cse6) (and .cse0 .cse2 .cse3 .cse7 .cse4) (and (<= ~a16~0 5) .cse5) (and .cse3 .cse6) (and .cse5 .cse8) (and .cse7 .cse8 .cse4))) [2020-12-23 01:51:43,248 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-23 01:51:43,249 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-23 01:51:43,250 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-23 01:51:43,251 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-23 01:51:43,251 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-23 01:51:43,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:51:43 BoogieIcfgContainer [2020-12-23 01:51:43,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:51:43,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:51:43,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:51:43,296 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:51:43,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:51:32" (3/4) ... [2020-12-23 01:51:43,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:51:43,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:51:43,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:51:43,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:43,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:51:43,557 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label12.c-witness.graphml [2020-12-23 01:51:43,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:51:43,559 INFO L168 Benchmark]: Toolchain (without parser) took 13385.35 ms. Allocated memory was 156.2 MB in the beginning and 293.6 MB in the end (delta: 137.4 MB). Free memory was 129.3 MB in the beginning and 196.1 MB in the end (delta: -66.8 MB). Peak memory consumption was 71.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,560 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 156.2 MB. Free memory was 140.2 MB in the beginning and 140.1 MB in the end (delta: 101.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 985.91 ms. Allocated memory is still 156.2 MB. Free memory was 129.1 MB in the beginning and 129.8 MB in the end (delta: -749.9 kB). Peak memory consumption was 23.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.83 ms. Allocated memory is still 156.2 MB. Free memory was 129.8 MB in the beginning and 124.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,561 INFO L168 Benchmark]: Boogie Preprocessor took 100.21 ms. Allocated memory is still 156.2 MB. Free memory was 124.2 MB in the beginning and 119.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,562 INFO L168 Benchmark]: RCFGBuilder took 1442.17 ms. Allocated memory was 156.2 MB in the beginning and 203.4 MB in the end (delta: 47.2 MB). Free memory was 119.7 MB in the beginning and 154.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 50.1 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,562 INFO L168 Benchmark]: TraceAbstraction took 10433.30 ms. Allocated memory was 203.4 MB in the beginning and 293.6 MB in the end (delta: 90.2 MB). Free memory was 154.2 MB in the beginning and 210.8 MB in the end (delta: -56.6 MB). Peak memory consumption was 150.5 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,562 INFO L168 Benchmark]: Witness Printer took 261.71 ms. Allocated memory is still 293.6 MB. Free memory was 210.8 MB in the beginning and 196.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-23 01:51:43,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 156.2 MB. Free memory was 140.2 MB in the beginning and 140.1 MB in the end (delta: 101.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 985.91 ms. Allocated memory is still 156.2 MB. Free memory was 129.1 MB in the beginning and 129.8 MB in the end (delta: -749.9 kB). Peak memory consumption was 23.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 146.83 ms. Allocated memory is still 156.2 MB. Free memory was 129.8 MB in the beginning and 124.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 100.21 ms. Allocated memory is still 156.2 MB. Free memory was 124.2 MB in the beginning and 119.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1442.17 ms. Allocated memory was 156.2 MB in the beginning and 203.4 MB in the end (delta: 47.2 MB). Free memory was 119.7 MB in the beginning and 154.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 50.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10433.30 ms. Allocated memory was 203.4 MB in the beginning and 293.6 MB in the end (delta: 90.2 MB). Free memory was 154.2 MB in the beginning and 210.8 MB in the end (delta: -56.6 MB). Peak memory consumption was 150.5 MB. Max. memory is 8.0 GB. * Witness Printer took 261.71 ms. Allocated memory is still 293.6 MB. Free memory was 210.8 MB in the beginning and 196.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 546]: 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: 40]: Loop Invariant Derived loop invariant: ((((((((((a21 == 1 && a16 <= 4) && a12 == 8) && a20 == 1) && a17 == 1) || (a17 <= 0 && a20 == 1)) || (a16 <= 4 && a8 <= 13)) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || (a20 == 1 && a8 <= 13)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((a21 == 1 && a16 <= 4) && a12 == 8) && a20 == 1) && a17 == 1) || (a17 <= 0 && a20 == 1)) || (a16 <= 4 && a8 <= 13)) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || (a20 == 1 && a8 <= 13)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 735 SDtfs, 902 SDslu, 52 SDs, 0 SdLazy, 2971 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 161 HoareAnnotationTreeSize, 3 FomulaSimplifications, 794 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 84 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1554 NumberOfCodeBlocks, 1554 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1543 ConstructedInterpolants, 0 QuantifiedInterpolants, 676770 SizeOfPredicates, 0 NumberOfNonLiveVariables, 943 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 315/324 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...