/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_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:14:34,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:14:34,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:14:34,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:14:34,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:14:34,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:14:34,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:14:34,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:14:34,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:14:34,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:14:34,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:14:34,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:14:34,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:14:34,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:14:34,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:14:34,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:14:34,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:14:34,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:14:34,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:14:34,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:14:34,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:14:34,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:14:34,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:14:34,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:14:34,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:14:34,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:14:34,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:14:34,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:14:34,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:14:34,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:14:34,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:14:34,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:14:34,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:14:34,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:14:34,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:14:34,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:14:34,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:14:34,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:14:34,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:14:34,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:14:34,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:14:34,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:14:34,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:14:34,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:14:34,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:14:34,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:14:34,311 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:14:34,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:14:34,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:14:34,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:14:34,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:14:34,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:14:34,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:14:34,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:14:34,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:14:34,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:14:34,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:14:34,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:14:34,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:14:34,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:14:34,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:14:34,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:14:34,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:14:34,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:14:34,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:14:34,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:14:34,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:14:34,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:14:34,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:14:34,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:14:34,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:14:34,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:14:34,847 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:14:34,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-01-06 19:14:34,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7a20cdc2d/116a7604053c42a99de9ed377398e944/FLAG5b02382eb [2021-01-06 19:14:35,737 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:14:35,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-01-06 19:14:35,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7a20cdc2d/116a7604053c42a99de9ed377398e944/FLAG5b02382eb [2021-01-06 19:14:35,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7a20cdc2d/116a7604053c42a99de9ed377398e944 [2021-01-06 19:14:35,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:14:35,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:14:35,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:35,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:14:35,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:14:35,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2274e61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:35, skipping insertion in model container [2021-01-06 19:14:35,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:14:35" (1/1) ... [2021-01-06 19:14:35,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:14:36,031 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] [2021-01-06 19:14:36,216 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_spec5_product36.cil.c[1817,1830] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~4,] 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~2,] 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~3,] 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~4,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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[~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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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~9,] 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~11,] [2021-01-06 19:14:36,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:36,389 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] [2021-01-06 19:14:36,409 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_spec5_product36.cil.c[1817,1830] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~4,] 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~2,] 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~3,] 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~4,] 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~5,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] 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[~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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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~9,] 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~11,] [2021-01-06 19:14:36,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:14:36,635 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:14:36,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36 WrapperNode [2021-01-06 19:14:36,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:14:36,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:36,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:14:36,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:14:36,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:14:36,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:14:36,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:14:36,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:14:36,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... [2021-01-06 19:14:36,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:14:36,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:14:36,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:14:36,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:14:36,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:14:37,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:14:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:14:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:14:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:14:38,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:14:38,081 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-01-06 19:14:38,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:38 BoogieIcfgContainer [2021-01-06 19:14:38,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:14:38,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:14:38,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:14:38,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:14:38,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:14:35" (1/3) ... [2021-01-06 19:14:38,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f23b23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:38, skipping insertion in model container [2021-01-06 19:14:38,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:14:36" (2/3) ... [2021-01-06 19:14:38,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f23b23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:14:38, skipping insertion in model container [2021-01-06 19:14:38,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:38" (3/3) ... [2021-01-06 19:14:38,092 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-01-06 19:14:38,100 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:14:38,106 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:14:38,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:14:38,154 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:14:38,154 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:14:38,154 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:14:38,154 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:14:38,154 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:14:38,155 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:14:38,155 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:14:38,155 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:14:38,173 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2021-01-06 19:14:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:14:38,180 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:38,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:38,181 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:38,188 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2021-01-06 19:14:38,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:38,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538336937] [2021-01-06 19:14:38,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:38,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538336937] [2021-01-06 19:14:38,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:38,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:38,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883389488] [2021-01-06 19:14:38,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:14:38,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:38,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:14:38,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:14:38,658 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2021-01-06 19:14:38,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:38,703 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-01-06 19:14:38,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:14:38,705 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-01-06 19:14:38,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:38,738 INFO L225 Difference]: With dead ends: 171 [2021-01-06 19:14:38,738 INFO L226 Difference]: Without dead ends: 85 [2021-01-06 19:14:38,747 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 [2021-01-06 19:14:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-01-06 19:14:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-01-06 19:14:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-01-06 19:14:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-01-06 19:14:38,827 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-01-06 19:14:38,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:38,827 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-01-06 19:14:38,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:14:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-01-06 19:14:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 19:14:38,829 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:38,829 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] [2021-01-06 19:14:38,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:14:38,831 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:38,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:38,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2021-01-06 19:14:38,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:38,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591457902] [2021-01-06 19:14:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:39,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591457902] [2021-01-06 19:14:39,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:39,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:39,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773628149] [2021-01-06 19:14:39,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:39,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:39,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:39,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:39,038 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2021-01-06 19:14:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:39,051 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-01-06 19:14:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:39,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-01-06 19:14:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:39,053 INFO L225 Difference]: With dead ends: 85 [2021-01-06 19:14:39,053 INFO L226 Difference]: Without dead ends: 40 [2021-01-06 19:14:39,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:39,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-01-06 19:14:39,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-01-06 19:14:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-01-06 19:14:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-01-06 19:14:39,060 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-01-06 19:14:39,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:39,061 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-01-06 19:14:39,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-01-06 19:14:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:14:39,062 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:39,062 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] [2021-01-06 19:14:39,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:14:39,063 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:39,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:39,064 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2021-01-06 19:14:39,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:39,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543669411] [2021-01-06 19:14:39,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:39,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543669411] [2021-01-06 19:14:39,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:39,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:14:39,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525627038] [2021-01-06 19:14:39,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:39,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:39,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:39,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:39,151 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2021-01-06 19:14:39,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:39,189 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2021-01-06 19:14:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:39,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:14:39,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:39,191 INFO L225 Difference]: With dead ends: 106 [2021-01-06 19:14:39,191 INFO L226 Difference]: Without dead ends: 73 [2021-01-06 19:14:39,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-01-06 19:14:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-01-06 19:14:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-01-06 19:14:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2021-01-06 19:14:39,204 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2021-01-06 19:14:39,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:39,204 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2021-01-06 19:14:39,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2021-01-06 19:14:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:14:39,206 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:39,206 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] [2021-01-06 19:14:39,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:14:39,206 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:39,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:39,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2021-01-06 19:14:39,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:39,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012433030] [2021-01-06 19:14:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:39,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:39,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012433030] [2021-01-06 19:14:39,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:39,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:39,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884345436] [2021-01-06 19:14:39,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:39,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:39,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:39,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:39,337 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2021-01-06 19:14:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:39,379 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2021-01-06 19:14:39,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:39,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-01-06 19:14:39,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:39,381 INFO L225 Difference]: With dead ends: 178 [2021-01-06 19:14:39,381 INFO L226 Difference]: Without dead ends: 116 [2021-01-06 19:14:39,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:39,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-01-06 19:14:39,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2021-01-06 19:14:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-01-06 19:14:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2021-01-06 19:14:39,402 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2021-01-06 19:14:39,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:39,403 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2021-01-06 19:14:39,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2021-01-06 19:14:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-06 19:14:39,406 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:39,406 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] [2021-01-06 19:14:39,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:14:39,407 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:39,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:39,408 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2021-01-06 19:14:39,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:39,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946040143] [2021-01-06 19:14:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:39,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946040143] [2021-01-06 19:14:39,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:39,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:14:39,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513481140] [2021-01-06 19:14:39,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:39,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:39,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:39,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:39,528 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2021-01-06 19:14:39,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:39,719 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2021-01-06 19:14:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:39,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-01-06 19:14:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:39,724 INFO L225 Difference]: With dead ends: 405 [2021-01-06 19:14:39,724 INFO L226 Difference]: Without dead ends: 298 [2021-01-06 19:14:39,728 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 [2021-01-06 19:14:39,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-01-06 19:14:39,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2021-01-06 19:14:39,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-01-06 19:14:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2021-01-06 19:14:39,765 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2021-01-06 19:14:39,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:39,765 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2021-01-06 19:14:39,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2021-01-06 19:14:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:14:39,767 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:39,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:39,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:14:39,768 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:39,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:39,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2021-01-06 19:14:39,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:39,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286129752] [2021-01-06 19:14:39,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:39,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286129752] [2021-01-06 19:14:39,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:39,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:39,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118339733] [2021-01-06 19:14:39,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:39,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:39,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:39,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:39,846 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2021-01-06 19:14:39,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:39,929 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2021-01-06 19:14:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:39,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:14:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:39,932 INFO L225 Difference]: With dead ends: 304 [2021-01-06 19:14:39,932 INFO L226 Difference]: Without dead ends: 199 [2021-01-06 19:14:39,936 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 [2021-01-06 19:14:39,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-01-06 19:14:39,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2021-01-06 19:14:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-01-06 19:14:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-01-06 19:14:39,964 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2021-01-06 19:14:39,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:39,967 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-01-06 19:14:39,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:39,967 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-01-06 19:14:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:14:39,978 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:39,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:39,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:14:39,979 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:39,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:39,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2021-01-06 19:14:39,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:39,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431840524] [2021-01-06 19:14:39,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:40,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431840524] [2021-01-06 19:14:40,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:40,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949011808] [2021-01-06 19:14:40,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:40,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:40,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:40,084 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 5 states. [2021-01-06 19:14:40,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:40,210 INFO L93 Difference]: Finished difference Result 336 states and 460 transitions. [2021-01-06 19:14:40,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:40,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-01-06 19:14:40,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:40,213 INFO L225 Difference]: With dead ends: 336 [2021-01-06 19:14:40,213 INFO L226 Difference]: Without dead ends: 225 [2021-01-06 19:14:40,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:40,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-01-06 19:14:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 122. [2021-01-06 19:14:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-01-06 19:14:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2021-01-06 19:14:40,228 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2021-01-06 19:14:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:40,228 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2021-01-06 19:14:40,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-01-06 19:14:40,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-01-06 19:14:40,230 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:40,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:40,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:14:40,230 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:40,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:40,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2021-01-06 19:14:40,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:40,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520387740] [2021-01-06 19:14:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:40,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520387740] [2021-01-06 19:14:40,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:14:40,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172373026] [2021-01-06 19:14:40,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:14:40,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:14:40,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:40,300 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2021-01-06 19:14:40,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:40,344 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2021-01-06 19:14:40,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:14:40,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-01-06 19:14:40,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:40,347 INFO L225 Difference]: With dead ends: 293 [2021-01-06 19:14:40,347 INFO L226 Difference]: Without dead ends: 178 [2021-01-06 19:14:40,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:14:40,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-01-06 19:14:40,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-01-06 19:14:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-01-06 19:14:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2021-01-06 19:14:40,375 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2021-01-06 19:14:40,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:40,375 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2021-01-06 19:14:40,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:14:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2021-01-06 19:14:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:14:40,376 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:40,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:40,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:14:40,379 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:40,380 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2021-01-06 19:14:40,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:40,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217111166] [2021-01-06 19:14:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:40,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217111166] [2021-01-06 19:14:40,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:40,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:14:40,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787950413] [2021-01-06 19:14:40,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:14:40,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:40,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:14:40,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:40,581 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2021-01-06 19:14:41,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:41,009 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2021-01-06 19:14:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 19:14:41,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2021-01-06 19:14:41,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:41,018 INFO L225 Difference]: With dead ends: 855 [2021-01-06 19:14:41,018 INFO L226 Difference]: Without dead ends: 740 [2021-01-06 19:14:41,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-01-06 19:14:41,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-01-06 19:14:41,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2021-01-06 19:14:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-01-06 19:14:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2021-01-06 19:14:41,069 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2021-01-06 19:14:41,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:41,071 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2021-01-06 19:14:41,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:14:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2021-01-06 19:14:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 19:14:41,078 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:41,078 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:14:41,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:14:41,079 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:41,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:41,080 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2021-01-06 19:14:41,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:41,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287506626] [2021-01-06 19:14:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:41,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287506626] [2021-01-06 19:14:41,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051890378] [2021-01-06 19:14:41,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:14:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:41,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 19:14:41,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:14:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:41,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:14:41,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-01-06 19:14:41,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970062105] [2021-01-06 19:14:41,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 19:14:41,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:41,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 19:14:41,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:14:41,525 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2021-01-06 19:14:42,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:42,007 INFO L93 Difference]: Finished difference Result 650 states and 874 transitions. [2021-01-06 19:14:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 19:14:42,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2021-01-06 19:14:42,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:42,008 INFO L225 Difference]: With dead ends: 650 [2021-01-06 19:14:42,008 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:14:42,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-01-06 19:14:42,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:14:42,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:14:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:14:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:14:42,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-01-06 19:14:42,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:42,011 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:14:42,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 19:14:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:14:42,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:14:42,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 19:14:42,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:14:42,366 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 67 [2021-01-06 19:14:43,356 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 21 [2021-01-06 19:14:43,472 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2021-01-06 19:14:43,782 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2021-01-06 19:14:43,939 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2021-01-06 19:14:44,383 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2021-01-06 19:14:44,522 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 20 [2021-01-06 19:14:44,654 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2021-01-06 19:14:44,785 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 10 [2021-01-06 19:14:44,790 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-01-06 19:14:44,791 INFO L185 CegarLoopUtils]: At program point L729-2(lines 729 743) the Hoare annotation is: false [2021-01-06 19:14:44,791 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:14:44,792 INFO L189 CegarLoopUtils]: For program point L730(line 730) no Hoare annotation was computed. [2021-01-06 19:14:44,792 INFO L189 CegarLoopUtils]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-01-06 19:14:44,793 INFO L185 CegarLoopUtils]: At program point L697-1(lines 1 958) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-01-06 19:14:44,794 INFO L185 CegarLoopUtils]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-01-06 19:14:44,794 INFO L185 CegarLoopUtils]: At program point L119-1(lines 119 125) the Hoare annotation is: false [2021-01-06 19:14:44,794 INFO L185 CegarLoopUtils]: At program point L119-2(lines 119 125) the Hoare annotation is: false [2021-01-06 19:14:44,794 INFO L189 CegarLoopUtils]: For program point L896(lines 896 900) no Hoare annotation was computed. [2021-01-06 19:14:44,795 INFO L185 CegarLoopUtils]: At program point L252(lines 237 255) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-01-06 19:14:44,795 INFO L185 CegarLoopUtils]: At program point L252-1(lines 237 255) the Hoare annotation is: false [2021-01-06 19:14:44,795 INFO L185 CegarLoopUtils]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2021-01-06 19:14:44,795 INFO L189 CegarLoopUtils]: For program point L848(lines 848 858) no Hoare annotation was computed. [2021-01-06 19:14:44,795 INFO L189 CegarLoopUtils]: For program point L848-2(lines 848 858) no Hoare annotation was computed. [2021-01-06 19:14:44,795 INFO L189 CegarLoopUtils]: For program point L848-4(lines 848 858) no Hoare annotation was computed. [2021-01-06 19:14:44,795 INFO L189 CegarLoopUtils]: For program point L733(lines 733 737) no Hoare annotation was computed. [2021-01-06 19:14:44,795 INFO L189 CegarLoopUtils]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2021-01-06 19:14:44,795 INFO L189 CegarLoopUtils]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-01-06 19:14:44,796 INFO L189 CegarLoopUtils]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-01-06 19:14:44,796 INFO L189 CegarLoopUtils]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-01-06 19:14:44,796 INFO L185 CegarLoopUtils]: At program point L833(lines 112 118) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2021-01-06 19:14:44,796 INFO L185 CegarLoopUtils]: At program point L833-1(lines 112 118) the Hoare annotation is: false [2021-01-06 19:14:44,796 INFO L185 CegarLoopUtils]: At program point L833-2(lines 112 118) the Hoare annotation is: false [2021-01-06 19:14:44,796 INFO L189 CegarLoopUtils]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-01-06 19:14:44,796 INFO L189 CegarLoopUtils]: For program point L949-1(lines 949 955) no Hoare annotation was computed. [2021-01-06 19:14:44,800 INFO L189 CegarLoopUtils]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2021-01-06 19:14:44,800 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:14:44,800 INFO L189 CegarLoopUtils]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-01-06 19:14:44,801 INFO L185 CegarLoopUtils]: At program point L669-1(lines 669 675) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-01-06 19:14:44,801 INFO L189 CegarLoopUtils]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-01-06 19:14:44,801 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:44,801 INFO L189 CegarLoopUtils]: For program point L802(lines 802 809) no Hoare annotation was computed. [2021-01-06 19:14:44,801 INFO L192 CegarLoopUtils]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2021-01-06 19:14:44,801 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-01-06 19:14:44,802 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:14:44,802 INFO L189 CegarLoopUtils]: For program point L689(lines 689 704) no Hoare annotation was computed. [2021-01-06 19:14:44,802 INFO L189 CegarLoopUtils]: For program point L144(lines 144 161) no Hoare annotation was computed. [2021-01-06 19:14:44,802 INFO L189 CegarLoopUtils]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2021-01-06 19:14:44,802 INFO L189 CegarLoopUtils]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2021-01-06 19:14:44,802 INFO L189 CegarLoopUtils]: For program point L260(lines 260 266) no Hoare annotation was computed. [2021-01-06 19:14:44,802 INFO L185 CegarLoopUtils]: At program point L260-1(lines 260 266) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2021-01-06 19:14:44,802 INFO L185 CegarLoopUtils]: At program point L954(lines 945 958) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2))) [2021-01-06 19:14:44,803 INFO L185 CegarLoopUtils]: At program point L954-1(lines 945 958) the Hoare annotation is: false [2021-01-06 19:14:44,803 INFO L185 CegarLoopUtils]: At program point L954-2(lines 945 958) the Hoare annotation is: false [2021-01-06 19:14:44,803 INFO L185 CegarLoopUtils]: At program point L112(lines 108 130) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2021-01-06 19:14:44,803 INFO L185 CegarLoopUtils]: At program point L112-1(lines 108 130) the Hoare annotation is: false [2021-01-06 19:14:44,803 INFO L185 CegarLoopUtils]: At program point L112-2(lines 108 130) the Hoare annotation is: false [2021-01-06 19:14:44,804 INFO L189 CegarLoopUtils]: For program point L872(lines 872 876) no Hoare annotation was computed. [2021-01-06 19:14:44,804 INFO L189 CegarLoopUtils]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2021-01-06 19:14:44,804 INFO L189 CegarLoopUtils]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2021-01-06 19:14:44,804 INFO L185 CegarLoopUtils]: At program point L823(lines 818 825) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:44,805 INFO L189 CegarLoopUtils]: For program point L246(lines 246 250) no Hoare annotation was computed. [2021-01-06 19:14:44,805 INFO L189 CegarLoopUtils]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2021-01-06 19:14:44,805 INFO L189 CegarLoopUtils]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2021-01-06 19:14:44,805 INFO L189 CegarLoopUtils]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2021-01-06 19:14:44,806 INFO L189 CegarLoopUtils]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2021-01-06 19:14:44,806 INFO L189 CegarLoopUtils]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2021-01-06 19:14:44,806 INFO L185 CegarLoopUtils]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-01-06 19:14:44,808 INFO L185 CegarLoopUtils]: At program point L709(lines 658 710) the Hoare annotation is: false [2021-01-06 19:14:44,808 INFO L185 CegarLoopUtils]: At program point L197-1(lines 192 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2021-01-06 19:14:44,809 INFO L185 CegarLoopUtils]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2021-01-06 19:14:44,809 INFO L185 CegarLoopUtils]: At program point L197-3(lines 192 200) the Hoare annotation is: false [2021-01-06 19:14:44,809 INFO L185 CegarLoopUtils]: At program point L197-4(lines 192 200) the Hoare annotation is: false [2021-01-06 19:14:44,809 INFO L185 CegarLoopUtils]: At program point L197-5(lines 192 200) the Hoare annotation is: false [2021-01-06 19:14:44,809 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:14:44,809 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-01-06 19:14:44,809 INFO L189 CegarLoopUtils]: For program point L660(lines 659 708) no Hoare annotation was computed. [2021-01-06 19:14:44,810 INFO L189 CegarLoopUtils]: For program point L148(lines 148 156) no Hoare annotation was computed. [2021-01-06 19:14:44,810 INFO L189 CegarLoopUtils]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2021-01-06 19:14:44,810 INFO L189 CegarLoopUtils]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2021-01-06 19:14:44,811 INFO L185 CegarLoopUtils]: At program point L941(lines 936 944) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2))) [2021-01-06 19:14:44,811 INFO L185 CegarLoopUtils]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2021-01-06 19:14:44,811 INFO L185 CegarLoopUtils]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2021-01-06 19:14:44,811 INFO L189 CegarLoopUtils]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-01-06 19:14:44,811 INFO L185 CegarLoopUtils]: At program point L777(lines 773 779) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:44,811 INFO L185 CegarLoopUtils]: At program point L67(lines 1 958) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:44,811 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-01-06 19:14:44,811 INFO L189 CegarLoopUtils]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-01-06 19:14:44,812 INFO L189 CegarLoopUtils]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-01-06 19:14:44,812 INFO L189 CegarLoopUtils]: For program point L844(lines 844 861) no Hoare annotation was computed. [2021-01-06 19:14:44,812 INFO L185 CegarLoopUtils]: At program point L844-1(lines 1 958) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2))) [2021-01-06 19:14:44,812 INFO L192 CegarLoopUtils]: At program point L811(lines 792 814) the Hoare annotation is: true [2021-01-06 19:14:44,812 INFO L189 CegarLoopUtils]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2021-01-06 19:14:44,812 INFO L185 CegarLoopUtils]: At program point L844-3(lines 1 958) the Hoare annotation is: false [2021-01-06 19:14:44,812 INFO L189 CegarLoopUtils]: For program point L844-4(lines 844 861) no Hoare annotation was computed. [2021-01-06 19:14:44,812 INFO L189 CegarLoopUtils]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-01-06 19:14:44,813 INFO L185 CegarLoopUtils]: At program point L844-5(lines 1 958) the Hoare annotation is: false [2021-01-06 19:14:44,823 INFO L185 CegarLoopUtils]: At program point L679-1(lines 679 685) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-01-06 19:14:44,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:14:44 BoogieIcfgContainer [2021-01-06 19:14:44,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:14:44,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:14:44,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:14:44,875 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:14:44,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:14:38" (3/4) ... [2021-01-06 19:14:44,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:14:44,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:14:44,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:14:44,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:14:44,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:14:44,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:14:44,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:44,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:44,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) [2021-01-06 19:14:44,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:44,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-01-06 19:14:45,012 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product36.cil.c-witness.graphml [2021-01-06 19:14:45,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:14:45,013 INFO L168 Benchmark]: Toolchain (without parser) took 9044.69 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 128.0 MB in the beginning and 168.4 MB in the end (delta: -40.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:45,014 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 153.1 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:14:45,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.70 ms. Allocated memory is still 153.1 MB. Free memory was 127.8 MB in the beginning and 106.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:45,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.23 ms. Allocated memory is still 153.1 MB. Free memory was 105.9 MB in the beginning and 102.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:45,015 INFO L168 Benchmark]: Boogie Preprocessor took 102.01 ms. Allocated memory is still 153.1 MB. Free memory was 102.8 MB in the beginning and 100.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:45,015 INFO L168 Benchmark]: RCFGBuilder took 1190.03 ms. Allocated memory is still 153.1 MB. Free memory was 100.4 MB in the beginning and 82.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:45,016 INFO L168 Benchmark]: TraceAbstraction took 6783.94 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 81.6 MB in the beginning and 175.8 MB in the end (delta: -94.1 MB). Peak memory consumption was 68.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:45,016 INFO L168 Benchmark]: Witness Printer took 137.77 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 168.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:45,018 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 153.1 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 666.70 ms. Allocated memory is still 153.1 MB. Free memory was 127.8 MB in the beginning and 106.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 147.23 ms. Allocated memory is still 153.1 MB. Free memory was 105.9 MB in the beginning and 102.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 102.01 ms. Allocated memory is still 153.1 MB. Free memory was 102.8 MB in the beginning and 100.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1190.03 ms. Allocated memory is still 153.1 MB. Free memory was 100.4 MB in the beginning and 82.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6783.94 ms. Allocated memory was 153.1 MB in the beginning and 199.2 MB in the end (delta: 46.1 MB). Free memory was 81.6 MB in the beginning and 175.8 MB in the end (delta: -94.1 MB). Peak memory consumption was 68.9 MB. Max. memory is 8.0 GB. * Witness Printer took 137.77 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 168.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 845 SDtfs, 1307 SDslu, 1499 SDs, 0 SdLazy, 253 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 806 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 195 NumberOfFragments, 525 HoareAnnotationTreeSize, 39 FomulaSimplifications, 91806 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 39 FomulaSimplificationsInter, 7433 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 25691 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...