/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/product-lines/minepump_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:20:02,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:20:02,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:20:02,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:20:02,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:20:02,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:20:02,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:20:02,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:20:02,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:20:02,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:20:02,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:20:02,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:20:02,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:20:02,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:20:02,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:20:02,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:20:02,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:20:02,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:20:02,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:20:02,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:20:02,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:20:02,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:20:02,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:20:02,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:20:02,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:20:02,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:20:02,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:20:02,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:20:02,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:20:02,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:20:02,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:20:02,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:20:02,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:20:02,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:20:02,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:20:02,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:20:02,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:20:02,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:20:02,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:20:02,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:20:02,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:20:02,288 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 09:20:02,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:20:02,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:20:02,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:20:02,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:20:02,334 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:20:02,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:20:02,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:20:02,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:20:02,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:20:02,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:20:02,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:20:02,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:20:02,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:20:02,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:20:02,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:20:02,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:20:02,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:20:02,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:02,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:20:02,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:20:02,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:20:02,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:20:02,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:20:02,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:20:02,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:20:02,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:20:02,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:20:02,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:20:02,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:20:02,780 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:20:02,781 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:20:02,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2020-12-23 09:20:02,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/138eff9ff/b64ef61fd38d49f39ff58f7f8c6f77bd/FLAG253d37c6b [2020-12-23 09:20:03,724 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:20:03,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2020-12-23 09:20:03,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/138eff9ff/b64ef61fd38d49f39ff58f7f8c6f77bd/FLAG253d37c6b [2020-12-23 09:20:03,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/138eff9ff/b64ef61fd38d49f39ff58f7f8c6f77bd [2020-12-23 09:20:03,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:20:03,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:20:03,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:03,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:20:03,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:20:03,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:03,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b61590c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03, skipping insertion in model container [2020-12-23 09:20:03,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:20:04,090 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] [2020-12-23 09:20:04,430 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/product-lines/minepump_spec4_product56.cil.c[17014,17027] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:20:04,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:04,495 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] [2020-12-23 09:20:04,676 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/product-lines/minepump_spec4_product56.cil.c[17014,17027] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:20:04,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:04,731 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:20:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04 WrapperNode [2020-12-23 09:20:04,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:04,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:04,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:20:04,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:20:04,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:04,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:20:04,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:20:04,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:20:04,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (1/1) ... [2020-12-23 09:20:04,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:20:04,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:20:04,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:20:04,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:20:04,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (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 09:20:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:20:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:20:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:20:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:20:06,635 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:20:06,636 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2020-12-23 09:20:06,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:06 BoogieIcfgContainer [2020-12-23 09:20:06,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:20:06,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:20:06,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:20:06,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:20:06,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:20:03" (1/3) ... [2020-12-23 09:20:06,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1587e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:06, skipping insertion in model container [2020-12-23 09:20:06,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:04" (2/3) ... [2020-12-23 09:20:06,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1587e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:06, skipping insertion in model container [2020-12-23 09:20:06,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:06" (3/3) ... [2020-12-23 09:20:06,649 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2020-12-23 09:20:06,656 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:20:06,661 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:20:06,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:20:06,712 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:20:06,712 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:20:06,712 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:20:06,712 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:20:06,712 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:20:06,713 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:20:06,713 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:20:06,713 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:20:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-12-23 09:20:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:20:06,743 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:06,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:06,744 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:06,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:06,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2020-12-23 09:20:06,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:06,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590826485] [2020-12-23 09:20:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,135 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 09:20:07,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590826485] [2020-12-23 09:20:07,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:07,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805190493] [2020-12-23 09:20:07,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:20:07,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:20:07,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:07,163 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-12-23 09:20:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,211 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2020-12-23 09:20:07,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:20:07,213 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:20:07,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,228 INFO L225 Difference]: With dead ends: 376 [2020-12-23 09:20:07,228 INFO L226 Difference]: Without dead ends: 187 [2020-12-23 09:20:07,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:07,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-23 09:20:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-12-23 09:20:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-12-23 09:20:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-12-23 09:20:07,289 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-12-23 09:20:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,289 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-12-23 09:20:07,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:20:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-12-23 09:20:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:20:07,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:07,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:20:07,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,293 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2020-12-23 09:20:07,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631594025] [2020-12-23 09:20:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,455 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 09:20:07,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631594025] [2020-12-23 09:20:07,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:07,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307777075] [2020-12-23 09:20:07,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:07,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:07,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:07,459 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-12-23 09:20:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,477 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-12-23 09:20:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:07,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:20:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,479 INFO L225 Difference]: With dead ends: 187 [2020-12-23 09:20:07,479 INFO L226 Difference]: Without dead ends: 73 [2020-12-23 09:20:07,480 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 09:20:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-23 09:20:07,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-23 09:20:07,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-23 09:20:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-12-23 09:20:07,488 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-12-23 09:20:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,488 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-12-23 09:20:07,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-12-23 09:20:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:20:07,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,490 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] [2020-12-23 09:20:07,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:20:07,490 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2020-12-23 09:20:07,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800819142] [2020-12-23 09:20:07,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,555 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 09:20:07,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800819142] [2020-12-23 09:20:07,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:07,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444886096] [2020-12-23 09:20:07,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:07,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:07,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:07,558 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2020-12-23 09:20:07,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,617 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2020-12-23 09:20:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:07,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-23 09:20:07,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,621 INFO L225 Difference]: With dead ends: 207 [2020-12-23 09:20:07,621 INFO L226 Difference]: Without dead ends: 140 [2020-12-23 09:20:07,622 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 09:20:07,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-12-23 09:20:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2020-12-23 09:20:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-12-23 09:20:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2020-12-23 09:20:07,656 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2020-12-23 09:20:07,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,656 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2020-12-23 09:20:07,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2020-12-23 09:20:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 09:20:07,665 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,666 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] [2020-12-23 09:20:07,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:20:07,667 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,668 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2020-12-23 09:20:07,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244917727] [2020-12-23 09:20:07,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,760 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 09:20:07,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244917727] [2020-12-23 09:20:07,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:07,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135194196] [2020-12-23 09:20:07,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:07,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:07,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:07,763 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2020-12-23 09:20:07,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,835 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2020-12-23 09:20:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:07,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-23 09:20:07,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,839 INFO L225 Difference]: With dead ends: 283 [2020-12-23 09:20:07,839 INFO L226 Difference]: Without dead ends: 153 [2020-12-23 09:20:07,843 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 09:20:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-12-23 09:20:07,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2020-12-23 09:20:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-23 09:20:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2020-12-23 09:20:07,876 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2020-12-23 09:20:07,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,877 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2020-12-23 09:20:07,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2020-12-23 09:20:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 09:20:07,882 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,882 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] [2020-12-23 09:20:07,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:20:07,883 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2020-12-23 09:20:07,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431161386] [2020-12-23 09:20:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:08,038 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 09:20:08,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431161386] [2020-12-23 09:20:08,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:08,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:08,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931253289] [2020-12-23 09:20:08,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:08,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:08,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:08,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:08,042 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2020-12-23 09:20:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:08,167 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2020-12-23 09:20:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:08,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-23 09:20:08,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:08,171 INFO L225 Difference]: With dead ends: 527 [2020-12-23 09:20:08,171 INFO L226 Difference]: Without dead ends: 382 [2020-12-23 09:20:08,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:20:08,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-23 09:20:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2020-12-23 09:20:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-23 09:20:08,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2020-12-23 09:20:08,196 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2020-12-23 09:20:08,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:08,196 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2020-12-23 09:20:08,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2020-12-23 09:20:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:20:08,198 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:08,198 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] [2020-12-23 09:20:08,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:20:08,198 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:08,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:08,199 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2020-12-23 09:20:08,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:08,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067948619] [2020-12-23 09:20:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:08,270 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 09:20:08,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067948619] [2020-12-23 09:20:08,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:08,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:08,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412995457] [2020-12-23 09:20:08,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:08,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:08,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:08,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:08,273 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand 5 states. [2020-12-23 09:20:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:08,458 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2020-12-23 09:20:08,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:20:08,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-23 09:20:08,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:08,462 INFO L225 Difference]: With dead ends: 526 [2020-12-23 09:20:08,463 INFO L226 Difference]: Without dead ends: 524 [2020-12-23 09:20:08,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:20:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-12-23 09:20:08,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2020-12-23 09:20:08,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-23 09:20:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2020-12-23 09:20:08,483 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2020-12-23 09:20:08,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:08,483 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2020-12-23 09:20:08,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2020-12-23 09:20:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:20:08,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:08,485 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] [2020-12-23 09:20:08,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:20:08,486 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:08,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:08,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2020-12-23 09:20:08,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:08,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439869914] [2020-12-23 09:20:08,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:08,542 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 09:20:08,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439869914] [2020-12-23 09:20:08,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:08,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:08,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451807458] [2020-12-23 09:20:08,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:08,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:08,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:08,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:08,545 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand 4 states. [2020-12-23 09:20:08,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:08,735 INFO L93 Difference]: Finished difference Result 496 states and 705 transitions. [2020-12-23 09:20:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:20:08,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-23 09:20:08,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:08,741 INFO L225 Difference]: With dead ends: 496 [2020-12-23 09:20:08,741 INFO L226 Difference]: Without dead ends: 351 [2020-12-23 09:20:08,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:08,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-12-23 09:20:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 347. [2020-12-23 09:20:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-12-23 09:20:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 483 transitions. [2020-12-23 09:20:08,778 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 483 transitions. Word has length 32 [2020-12-23 09:20:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:08,780 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 483 transitions. [2020-12-23 09:20:08,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 483 transitions. [2020-12-23 09:20:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:20:08,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:08,783 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] [2020-12-23 09:20:08,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:20:08,784 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:08,785 INFO L82 PathProgramCache]: Analyzing trace with hash 2080122673, now seen corresponding path program 1 times [2020-12-23 09:20:08,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:08,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728638473] [2020-12-23 09:20:08,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:08,889 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 09:20:08,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728638473] [2020-12-23 09:20:08,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:08,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:08,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690367642] [2020-12-23 09:20:08,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:08,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:08,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:08,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:08,893 INFO L87 Difference]: Start difference. First operand 347 states and 483 transitions. Second operand 4 states. [2020-12-23 09:20:09,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:09,003 INFO L93 Difference]: Finished difference Result 1020 states and 1436 transitions. [2020-12-23 09:20:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:09,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-23 09:20:09,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:09,008 INFO L225 Difference]: With dead ends: 1020 [2020-12-23 09:20:09,009 INFO L226 Difference]: Without dead ends: 762 [2020-12-23 09:20:09,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:09,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-12-23 09:20:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 347. [2020-12-23 09:20:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-12-23 09:20:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 477 transitions. [2020-12-23 09:20:09,046 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 477 transitions. Word has length 32 [2020-12-23 09:20:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:09,048 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 477 transitions. [2020-12-23 09:20:09,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2020-12-23 09:20:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:20:09,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:09,049 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] [2020-12-23 09:20:09,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:20:09,050 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:09,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2020-12-23 09:20:09,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:09,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025424120] [2020-12-23 09:20:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:09,129 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 09:20:09,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025424120] [2020-12-23 09:20:09,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:09,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:09,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816792484] [2020-12-23 09:20:09,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:09,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:09,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:09,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:09,138 INFO L87 Difference]: Start difference. First operand 347 states and 477 transitions. Second operand 5 states. [2020-12-23 09:20:09,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:09,425 INFO L93 Difference]: Finished difference Result 1072 states and 1488 transitions. [2020-12-23 09:20:09,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:20:09,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-23 09:20:09,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:09,431 INFO L225 Difference]: With dead ends: 1072 [2020-12-23 09:20:09,431 INFO L226 Difference]: Without dead ends: 814 [2020-12-23 09:20:09,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:20:09,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-12-23 09:20:09,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 378. [2020-12-23 09:20:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-12-23 09:20:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 523 transitions. [2020-12-23 09:20:09,475 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 523 transitions. Word has length 32 [2020-12-23 09:20:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:09,475 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 523 transitions. [2020-12-23 09:20:09,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 523 transitions. [2020-12-23 09:20:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 09:20:09,476 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:09,477 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:20:09,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:20:09,477 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:09,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:09,478 INFO L82 PathProgramCache]: Analyzing trace with hash -434242403, now seen corresponding path program 1 times [2020-12-23 09:20:09,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:09,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974838792] [2020-12-23 09:20:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:09,527 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 09:20:09,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974838792] [2020-12-23 09:20:09,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:09,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:09,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853189236] [2020-12-23 09:20:09,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:09,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:09,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:09,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:09,553 INFO L87 Difference]: Start difference. First operand 378 states and 523 transitions. Second operand 3 states. [2020-12-23 09:20:09,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:09,696 INFO L93 Difference]: Finished difference Result 640 states and 882 transitions. [2020-12-23 09:20:09,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:09,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-23 09:20:09,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:09,698 INFO L225 Difference]: With dead ends: 640 [2020-12-23 09:20:09,699 INFO L226 Difference]: Without dead ends: 268 [2020-12-23 09:20:09,700 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 09:20:09,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-12-23 09:20:09,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 260. [2020-12-23 09:20:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-12-23 09:20:09,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 353 transitions. [2020-12-23 09:20:09,723 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 353 transitions. Word has length 49 [2020-12-23 09:20:09,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:09,724 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 353 transitions. [2020-12-23 09:20:09,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:09,724 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 353 transitions. [2020-12-23 09:20:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:20:09,725 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:09,725 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:09,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:20:09,726 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:09,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:09,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1755773973, now seen corresponding path program 1 times [2020-12-23 09:20:09,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:09,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577035481] [2020-12-23 09:20:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 09:20:09,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577035481] [2020-12-23 09:20:09,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:09,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:09,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872971904] [2020-12-23 09:20:09,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:09,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:09,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:09,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:09,791 INFO L87 Difference]: Start difference. First operand 260 states and 353 transitions. Second operand 5 states. [2020-12-23 09:20:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:09,930 INFO L93 Difference]: Finished difference Result 784 states and 1060 transitions. [2020-12-23 09:20:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:09,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 09:20:09,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:09,934 INFO L225 Difference]: With dead ends: 784 [2020-12-23 09:20:09,934 INFO L226 Difference]: Without dead ends: 530 [2020-12-23 09:20:09,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:20:09,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-12-23 09:20:09,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 272. [2020-12-23 09:20:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-23 09:20:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2020-12-23 09:20:09,965 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 54 [2020-12-23 09:20:09,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:09,966 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2020-12-23 09:20:09,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2020-12-23 09:20:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:20:09,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:09,967 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:09,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:20:09,967 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:09,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:09,968 INFO L82 PathProgramCache]: Analyzing trace with hash 2073779755, now seen corresponding path program 1 times [2020-12-23 09:20:09,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:09,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846409961] [2020-12-23 09:20:09,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:20:10,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846409961] [2020-12-23 09:20:10,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:10,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:10,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277642701] [2020-12-23 09:20:10,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:10,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:10,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:10,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:10,032 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand 5 states. [2020-12-23 09:20:10,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:10,166 INFO L93 Difference]: Finished difference Result 648 states and 861 transitions. [2020-12-23 09:20:10,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:10,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 09:20:10,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:10,169 INFO L225 Difference]: With dead ends: 648 [2020-12-23 09:20:10,169 INFO L226 Difference]: Without dead ends: 382 [2020-12-23 09:20:10,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:20:10,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-12-23 09:20:10,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 237. [2020-12-23 09:20:10,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-12-23 09:20:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 310 transitions. [2020-12-23 09:20:10,205 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 310 transitions. Word has length 54 [2020-12-23 09:20:10,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:10,206 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 310 transitions. [2020-12-23 09:20:10,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2020-12-23 09:20:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:20:10,207 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:10,207 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:20:10,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:20:10,208 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:10,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:10,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2020-12-23 09:20:10,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:10,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833813965] [2020-12-23 09:20:10,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:10,295 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 09:20:10,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833813965] [2020-12-23 09:20:10,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328892648] [2020-12-23 09:20:10,296 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 09:20:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:10,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 09:20:10,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:20:10,644 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 09:20:10,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:20:10,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-23 09:20:10,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885328875] [2020-12-23 09:20:10,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:20:10,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:10,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:20:10,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:20:10,651 INFO L87 Difference]: Start difference. First operand 237 states and 310 transitions. Second operand 8 states. [2020-12-23 09:20:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:11,092 INFO L93 Difference]: Finished difference Result 862 states and 1146 transitions. [2020-12-23 09:20:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 09:20:11,093 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-12-23 09:20:11,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:11,097 INFO L225 Difference]: With dead ends: 862 [2020-12-23 09:20:11,098 INFO L226 Difference]: Without dead ends: 680 [2020-12-23 09:20:11,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-23 09:20:11,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-12-23 09:20:11,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 297. [2020-12-23 09:20:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-12-23 09:20:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 389 transitions. [2020-12-23 09:20:11,153 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 389 transitions. Word has length 57 [2020-12-23 09:20:11,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:11,154 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 389 transitions. [2020-12-23 09:20:11,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:20:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 389 transitions. [2020-12-23 09:20:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 09:20:11,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:11,155 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:20:11,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 09:20:11,369 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:11,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:11,370 INFO L82 PathProgramCache]: Analyzing trace with hash 579418767, now seen corresponding path program 2 times [2020-12-23 09:20:11,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:11,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444763808] [2020-12-23 09:20:11,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 09:20:11,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444763808] [2020-12-23 09:20:11,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:11,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:11,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231556165] [2020-12-23 09:20:11,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:11,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:11,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:11,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:11,514 INFO L87 Difference]: Start difference. First operand 297 states and 389 transitions. Second operand 5 states. [2020-12-23 09:20:11,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:11,920 INFO L93 Difference]: Finished difference Result 898 states and 1191 transitions. [2020-12-23 09:20:11,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:11,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 09:20:11,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:11,925 INFO L225 Difference]: With dead ends: 898 [2020-12-23 09:20:11,925 INFO L226 Difference]: Without dead ends: 649 [2020-12-23 09:20:11,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:20:11,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-12-23 09:20:11,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 413. [2020-12-23 09:20:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-12-23 09:20:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 540 transitions. [2020-12-23 09:20:11,998 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 540 transitions. Word has length 82 [2020-12-23 09:20:11,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:11,998 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 540 transitions. [2020-12-23 09:20:11,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 540 transitions. [2020-12-23 09:20:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 09:20:12,000 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:12,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 09:20:12,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:20:12,000 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:12,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:12,001 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2020-12-23 09:20:12,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:12,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348571601] [2020-12-23 09:20:12,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-23 09:20:12,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348571601] [2020-12-23 09:20:12,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:12,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:12,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100950254] [2020-12-23 09:20:12,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:12,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:12,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:12,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:12,109 INFO L87 Difference]: Start difference. First operand 413 states and 540 transitions. Second operand 5 states. [2020-12-23 09:20:12,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:12,217 INFO L93 Difference]: Finished difference Result 790 states and 1030 transitions. [2020-12-23 09:20:12,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:12,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 09:20:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:12,218 INFO L225 Difference]: With dead ends: 790 [2020-12-23 09:20:12,218 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:20:12,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:20:12,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:20:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:20:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:20:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:20:12,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-12-23 09:20:12,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:12,223 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:20:12,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:20:12,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:20:12,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:20:12,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:20:12,860 WARN L197 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 156 [2020-12-23 09:20:13,125 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 125 [2020-12-23 09:20:13,311 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 89 [2020-12-23 09:20:13,923 WARN L197 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 141 [2020-12-23 09:20:14,196 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2020-12-23 09:20:14,835 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 161 [2020-12-23 09:20:15,475 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 177 [2020-12-23 09:20:15,910 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 177 [2020-12-23 09:20:17,000 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-12-23 09:20:17,669 WARN L197 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 30 [2020-12-23 09:20:17,984 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2020-12-23 09:20:18,819 WARN L197 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 14 [2020-12-23 09:20:19,533 WARN L197 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 10 [2020-12-23 09:20:19,865 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-12-23 09:20:21,055 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-12-23 09:20:21,269 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2020-12-23 09:20:21,504 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2020-12-23 09:20:21,740 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2020-12-23 09:20:22,874 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-12-23 09:20:24,017 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-12-23 09:20:24,045 INFO L192 CegarLoopUtils]: At program point L861(lines 842 864) the Hoare annotation is: true [2020-12-23 09:20:24,045 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2020-12-23 09:20:24,045 INFO L189 CegarLoopUtils]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,045 INFO L189 CegarLoopUtils]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,045 INFO L189 CegarLoopUtils]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,045 INFO L189 CegarLoopUtils]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,046 INFO L185 CegarLoopUtils]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3 .cse1))) [2020-12-23 09:20:24,046 INFO L189 CegarLoopUtils]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,046 INFO L185 CegarLoopUtils]: At program point L69-1(lines 69 75) the Hoare annotation is: false [2020-12-23 09:20:24,046 INFO L189 CegarLoopUtils]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,046 INFO L185 CegarLoopUtils]: At program point L69-2(lines 69 75) the Hoare annotation is: false [2020-12-23 09:20:24,046 INFO L189 CegarLoopUtils]: For program point L267-9(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,047 INFO L189 CegarLoopUtils]: For program point L267-11(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,047 INFO L189 CegarLoopUtils]: For program point L267-12(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,047 INFO L189 CegarLoopUtils]: For program point L267-14(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,047 INFO L189 CegarLoopUtils]: For program point L267-15(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,047 INFO L185 CegarLoopUtils]: At program point L730(lines 679 731) the Hoare annotation is: false [2020-12-23 09:20:24,048 INFO L189 CegarLoopUtils]: For program point L267-17(lines 267 271) no Hoare annotation was computed. [2020-12-23 09:20:24,048 INFO L185 CegarLoopUtils]: At program point L963(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,048 INFO L185 CegarLoopUtils]: At program point L963-1(lines 954 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-23 09:20:24,048 INFO L185 CegarLoopUtils]: At program point L963-2(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,048 INFO L185 CegarLoopUtils]: At program point L963-3(lines 954 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-23 09:20:24,048 INFO L185 CegarLoopUtils]: At program point L963-4(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L963-5(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L963-6(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L963-7(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L963-8(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L963-9(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L963-10(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L963-11(lines 954 967) the Hoare annotation is: false [2020-12-23 09:20:24,049 INFO L189 CegarLoopUtils]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-12-23 09:20:24,049 INFO L185 CegarLoopUtils]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse5 .cse1 .cse3) (and .cse5 .cse2 .cse3 .cse4))) [2020-12-23 09:20:24,050 INFO L185 CegarLoopUtils]: At program point L273(lines 258 276) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:20:24,050 INFO L185 CegarLoopUtils]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2020-12-23 09:20:24,050 INFO L185 CegarLoopUtils]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2020-12-23 09:20:24,050 INFO L185 CegarLoopUtils]: At program point L273-3(lines 258 276) the Hoare annotation is: false [2020-12-23 09:20:24,050 INFO L185 CegarLoopUtils]: At program point L273-4(lines 258 276) the Hoare annotation is: false [2020-12-23 09:20:24,050 INFO L185 CegarLoopUtils]: At program point L273-5(lines 258 276) the Hoare annotation is: false [2020-12-23 09:20:24,050 INFO L185 CegarLoopUtils]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:20:24,050 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2020-12-23 09:20:24,050 INFO L189 CegarLoopUtils]: For program point L870(line 870) no Hoare annotation was computed. [2020-12-23 09:20:24,051 INFO L189 CegarLoopUtils]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-12-23 09:20:24,051 INFO L189 CegarLoopUtils]: For program point L870-2(line 870) no Hoare annotation was computed. [2020-12-23 09:20:24,051 INFO L189 CegarLoopUtils]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-12-23 09:20:24,051 INFO L189 CegarLoopUtils]: For program point L146(lines 146 163) no Hoare annotation was computed. [2020-12-23 09:20:24,051 INFO L189 CegarLoopUtils]: For program point L146-1(lines 146 163) no Hoare annotation was computed. [2020-12-23 09:20:24,051 INFO L189 CegarLoopUtils]: For program point L146-2(lines 146 163) no Hoare annotation was computed. [2020-12-23 09:20:24,051 INFO L185 CegarLoopUtils]: At program point L973(lines 968 976) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:20:24,051 INFO L185 CegarLoopUtils]: At program point L973-1(lines 968 976) the Hoare annotation is: false [2020-12-23 09:20:24,051 INFO L185 CegarLoopUtils]: At program point L973-2(lines 968 976) the Hoare annotation is: false [2020-12-23 09:20:24,051 INFO L185 CegarLoopUtils]: At program point L973-3(lines 968 976) the Hoare annotation is: false [2020-12-23 09:20:24,052 INFO L185 CegarLoopUtils]: At program point L973-4(lines 968 976) the Hoare annotation is: false [2020-12-23 09:20:24,052 INFO L185 CegarLoopUtils]: At program point L973-5(lines 968 976) the Hoare annotation is: false [2020-12-23 09:20:24,052 INFO L189 CegarLoopUtils]: For program point L710(lines 710 725) no Hoare annotation was computed. [2020-12-23 09:20:24,052 INFO L189 CegarLoopUtils]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-12-23 09:20:24,052 INFO L185 CegarLoopUtils]: At program point L281-1(lines 281 287) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:20:24,052 INFO L189 CegarLoopUtils]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,052 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,052 INFO L189 CegarLoopUtils]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,052 INFO L189 CegarLoopUtils]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L185 CegarLoopUtils]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,053 INFO L189 CegarLoopUtils]: For program point L248-18(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-20(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-21(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-23(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-24(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-26(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-27(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-29(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-30(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-32(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,054 INFO L189 CegarLoopUtils]: For program point L248-33(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point L150-1(lines 150 158) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point L248-35(lines 248 252) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point L150-2(lines 150 158) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L185 CegarLoopUtils]: At program point L778-2(lines 778 792) the Hoare annotation is: false [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point L779(line 779) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point L681(lines 680 729) no Hoare annotation was computed. [2020-12-23 09:20:24,055 INFO L189 CegarLoopUtils]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L120-1(lines 120 137) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L120-2(lines 120 137) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L120-3(lines 120 137) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L120-4(lines 120 137) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L120-5(lines 120 137) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L682(lines 682 686) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-12-23 09:20:24,056 INFO L189 CegarLoopUtils]: For program point L749(lines 749 762) no Hoare annotation was computed. [2020-12-23 09:20:24,057 INFO L189 CegarLoopUtils]: For program point L782-1(lines 62 68) no Hoare annotation was computed. [2020-12-23 09:20:24,057 INFO L185 CegarLoopUtils]: At program point L749-1(lines 1 1011) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse4 .cse1 .cse5 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse4 .cse1))) [2020-12-23 09:20:24,057 INFO L189 CegarLoopUtils]: For program point L749-2(lines 749 762) no Hoare annotation was computed. [2020-12-23 09:20:24,057 INFO L189 CegarLoopUtils]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2020-12-23 09:20:24,057 INFO L185 CegarLoopUtils]: At program point L749-3(lines 1 1011) the Hoare annotation is: false [2020-12-23 09:20:24,057 INFO L189 CegarLoopUtils]: For program point L749-4(lines 749 762) no Hoare annotation was computed. [2020-12-23 09:20:24,057 INFO L185 CegarLoopUtils]: At program point L749-5(lines 1 1011) the Hoare annotation is: false [2020-12-23 09:20:24,057 INFO L185 CegarLoopUtils]: At program point L254(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,057 INFO L185 CegarLoopUtils]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (not .cse1) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 (not .cse0) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0)))) [2020-12-23 09:20:24,057 INFO L185 CegarLoopUtils]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-3(lines 239 257) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 (not .cse3) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0)) (and .cse3 .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse4))) [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-6(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-7(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-8(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-9(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-10(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L185 CegarLoopUtils]: At program point L254-11(lines 239 257) the Hoare annotation is: false [2020-12-23 09:20:24,058 INFO L189 CegarLoopUtils]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L185 CegarLoopUtils]: At program point L718-1(lines 62 68) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= 0 ~systemActive~0) .cse2 (<= 1 ~waterLevel~0) .cse1) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1))) [2020-12-23 09:20:24,059 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L185 CegarLoopUtils]: At program point L190(lines 183 193) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:20:24,059 INFO L185 CegarLoopUtils]: At program point L190-1(lines 183 193) the Hoare annotation is: false [2020-12-23 09:20:24,059 INFO L189 CegarLoopUtils]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L185 CegarLoopUtils]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2020-12-23 09:20:24,059 INFO L189 CegarLoopUtils]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L189 CegarLoopUtils]: For program point L124-2(lines 124 132) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L189 CegarLoopUtils]: For program point L124-3(lines 124 132) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L189 CegarLoopUtils]: For program point L124-4(lines 124 132) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L189 CegarLoopUtils]: For program point L124-5(lines 124 132) no Hoare annotation was computed. [2020-12-23 09:20:24,059 INFO L185 CegarLoopUtils]: At program point L950(lines 945 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse2) (and (= 0 ~systemActive~0) .cse3 .cse1 .cse4 .cse2))) [2020-12-23 09:20:24,059 INFO L185 CegarLoopUtils]: At program point L950-1(lines 945 953) the Hoare annotation is: false [2020-12-23 09:20:24,060 INFO L185 CegarLoopUtils]: At program point L950-2(lines 945 953) the Hoare annotation is: false [2020-12-23 09:20:24,060 INFO L185 CegarLoopUtils]: At program point L918(lines 913 921) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:20:24,060 INFO L185 CegarLoopUtils]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-12-23 09:20:24,060 INFO L185 CegarLoopUtils]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-12-23 09:20:24,060 INFO L192 CegarLoopUtils]: At program point L852-1(lines 852 859) the Hoare annotation is: true [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point L753(lines 753 759) no Hoare annotation was computed. [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point L753-2(lines 753 759) no Hoare annotation was computed. [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point L753-4(lines 753 759) no Hoare annotation was computed. [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point L94-1(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:20:24,060 INFO L189 CegarLoopUtils]: For program point L94-2(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-3(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-4(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-5(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-6(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-7(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-8(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-9(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-10(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L94-11(lines 94 111) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L185 CegarLoopUtils]: At program point L62(lines 61 80) the Hoare annotation is: (let ((.cse1 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1) (and (= 0 ~systemActive~0) (= ~pumpRunning~0 0) .cse1 .cse0))) [2020-12-23 09:20:24,061 INFO L189 CegarLoopUtils]: For program point L62-1(lines 62 68) no Hoare annotation was computed. [2020-12-23 09:20:24,061 INFO L185 CegarLoopUtils]: At program point L62-2(lines 61 80) the Hoare annotation is: false [2020-12-23 09:20:24,062 INFO L185 CegarLoopUtils]: At program point L62-3(lines 61 80) the Hoare annotation is: false [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L185 CegarLoopUtils]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse5 .cse1 .cse3) (and .cse5 .cse2 .cse3 .cse4))) [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-1(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-2(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-3(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-4(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-5(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-6(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-7(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-8(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point L98-9(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,062 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L98-10(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L98-11(lines 98 106) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-1(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-2(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-3(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L185 CegarLoopUtils]: At program point L826(lines 822 828) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-4(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-5(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-6(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-7(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-8(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,063 INFO L189 CegarLoopUtils]: For program point L958-9(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,064 INFO L189 CegarLoopUtils]: For program point L958-10(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,064 INFO L189 CegarLoopUtils]: For program point L958-11(lines 958 964) no Hoare annotation was computed. [2020-12-23 09:20:24,064 INFO L185 CegarLoopUtils]: At program point L199(lines 194 202) the Hoare annotation is: false [2020-12-23 09:20:24,064 INFO L185 CegarLoopUtils]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-12-23 09:20:24,064 INFO L185 CegarLoopUtils]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-12-23 09:20:24,064 INFO L189 CegarLoopUtils]: For program point L893(lines 893 897) no Hoare annotation was computed. [2020-12-23 09:20:24,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:20:24 BoogieIcfgContainer [2020-12-23 09:20:24,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:20:24,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:20:24,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:20:24,101 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:20:24,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:06" (3/4) ... [2020-12-23 09:20:24,106 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:20:24,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:20:24,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:20:24,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:20:24,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:20:24,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:20:24,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:20:24,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:20:24,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:20:24,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:20:24,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:20:24,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-23 09:20:24,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-23 09:20:24,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:20:24,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) || (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:20:24,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-23 09:20:24,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:20:24,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp___0 == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-23 09:20:24,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) [2020-12-23 09:20:24,316 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product56.cil.c-witness.graphml [2020-12-23 09:20:24,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:20:24,318 INFO L168 Benchmark]: Toolchain (without parser) took 20339.93 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 125.4 MB in the beginning and 119.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 118.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:24,318 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 123.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:20:24,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 103.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:24,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.45 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 130.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:24,319 INFO L168 Benchmark]: Boogie Preprocessor took 68.09 ms. Allocated memory is still 151.0 MB. Free memory was 130.9 MB in the beginning and 127.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:24,319 INFO L168 Benchmark]: RCFGBuilder took 1674.39 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 127.1 MB in the end (delta: 624.4 kB). Peak memory consumption was 85.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:24,320 INFO L168 Benchmark]: TraceAbstraction took 17460.02 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 126.6 MB in the beginning and 135.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:24,320 INFO L168 Benchmark]: Witness Printer took 215.60 ms. Allocated memory is still 262.1 MB. Free memory was 135.2 MB in the beginning and 119.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:24,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 123.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 751.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 103.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 158.45 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 130.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 68.09 ms. Allocated memory is still 151.0 MB. Free memory was 130.9 MB in the beginning and 127.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1674.39 ms. Allocated memory is still 151.0 MB. Free memory was 127.8 MB in the beginning and 127.1 MB in the end (delta: 624.4 kB). Peak memory consumption was 85.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17460.02 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 126.6 MB in the beginning and 135.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 8.0 GB. * Witness Printer took 215.60 ms. Allocated memory is still 262.1 MB. Free memory was 135.2 MB in the beginning and 119.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: 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 3 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) || (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) || (((0 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp___0 == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2235 SDtfs, 2613 SDslu, 3460 SDs, 0 SdLazy, 495 SolverSat, 106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 2325 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 218 NumberOfFragments, 642 HoareAnnotationTreeSize, 68 FomulaSimplifications, 3276218 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 497140 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 646 ConstructedInterpolants, 0 QuantifiedInterpolants, 50796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 186/192 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...