/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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:20:50,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:20:50,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:20:50,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:20:50,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:20:50,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:20:50,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:20:50,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:20:50,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:20:50,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:20:50,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:20:50,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:20:50,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:20:50,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:20:50,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:20:50,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:20:50,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:20:50,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:20:50,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:20:50,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:20:50,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:20:50,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:20:50,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:20:50,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:20:50,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:20:50,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:20:50,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:20:50,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:20:50,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:20:50,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:20:50,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:20:50,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:20:50,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:20:50,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:20:50,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:20:50,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:20:50,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:20:50,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:20:50,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:20:50,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:20:50,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:20:50,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:20:51,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:20:51,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:20:51,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:20:51,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:20:51,014 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:20:51,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:20:51,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:20:51,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:20:51,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:20:51,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:20:51,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:20:51,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:20:51,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:20:51,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:20:51,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:20:51,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:20:51,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:20:51,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:51,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:20:51,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:20:51,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:20:51,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:20:51,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:20:51,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:20:51,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:20:51,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:20:51,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:20:51,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:20:51,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:20:51,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:20:51,513 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:20:51,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-12-23 09:20:51,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d2d6b257/7d5cf434935e4e209ec85d45f70cb4fa/FLAGe0cc188eb [2020-12-23 09:20:52,348 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:20:52,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-12-23 09:20:52,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d2d6b257/7d5cf434935e4e209ec85d45f70cb4fa/FLAGe0cc188eb [2020-12-23 09:20:52,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7d2d6b257/7d5cf434935e4e209ec85d45f70cb4fa [2020-12-23 09:20:52,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:20:52,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:20:52,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:52,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:20:52,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:20:52,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:52" (1/1) ... [2020-12-23 09:20:52,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24848198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:52, skipping insertion in model container [2020-12-23 09:20:52,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:52" (1/1) ... [2020-12-23 09:20:52,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:20:52,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 09:20:52,890 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_product35.cil.c[1281,1294] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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[~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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] 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,] [2020-12-23 09:20:53,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:53,088 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 09:20:53,110 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_product35.cil.c[1281,1294] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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~1,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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[~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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] 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,] [2020-12-23 09:20:53,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:53,290 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:20:53,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53 WrapperNode [2020-12-23 09:20:53,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:53,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:53,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:20:53,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:20:53,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:53,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:20:53,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:20:53,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:20:53,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... [2020-12-23 09:20:53,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:20:53,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:20:53,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:20:53,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:20:53,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:20:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:20:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:20:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:20:54,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:20:54,525 INFO L299 CfgBuilder]: Removed 114 assume(true) statements. [2020-12-23 09:20:54,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:54 BoogieIcfgContainer [2020-12-23 09:20:54,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:20:54,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:20:54,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:20:54,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:20:54,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:20:52" (1/3) ... [2020-12-23 09:20:54,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a82da36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:54, skipping insertion in model container [2020-12-23 09:20:54,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:53" (2/3) ... [2020-12-23 09:20:54,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a82da36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:54, skipping insertion in model container [2020-12-23 09:20:54,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:54" (3/3) ... [2020-12-23 09:20:54,537 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-12-23 09:20:54,544 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:20:54,550 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:20:54,573 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:20:54,601 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:20:54,602 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:20:54,602 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:20:54,602 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:20:54,602 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:20:54,602 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:20:54,602 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:20:54,603 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:20:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-12-23 09:20:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:20:54,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:54,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:54,631 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:54,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:54,638 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2020-12-23 09:20:54,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:54,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466067264] [2020-12-23 09:20:54,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:54,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466067264] [2020-12-23 09:20:54,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:54,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:54,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884267738] [2020-12-23 09:20:54,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:20:54,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:55,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:20:55,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:55,006 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2020-12-23 09:20:55,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:55,037 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2020-12-23 09:20:55,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:20:55,039 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-23 09:20:55,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:55,050 INFO L225 Difference]: With dead ends: 171 [2020-12-23 09:20:55,051 INFO L226 Difference]: Without dead ends: 85 [2020-12-23 09:20:55,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-23 09:20:55,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-12-23 09:20:55,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-23 09:20:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2020-12-23 09:20:55,100 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2020-12-23 09:20:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:55,101 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2020-12-23 09:20:55,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:20:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-12-23 09:20:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 09:20:55,102 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:55,103 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] [2020-12-23 09:20:55,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:20:55,103 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:55,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:55,104 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2020-12-23 09:20:55,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:55,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408841785] [2020-12-23 09:20:55,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:55,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408841785] [2020-12-23 09:20:55,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:55,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:55,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914847895] [2020-12-23 09:20:55,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:55,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:55,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:55,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:55,245 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2020-12-23 09:20:55,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:55,270 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-12-23 09:20:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:55,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-23 09:20:55,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:55,274 INFO L225 Difference]: With dead ends: 85 [2020-12-23 09:20:55,274 INFO L226 Difference]: Without dead ends: 40 [2020-12-23 09:20:55,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:55,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-23 09:20:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-23 09:20:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-23 09:20:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2020-12-23 09:20:55,289 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2020-12-23 09:20:55,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:55,289 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2020-12-23 09:20:55,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-12-23 09:20:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:20:55,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:55,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:55,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:20:55,292 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:55,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2020-12-23 09:20:55,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:55,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553887144] [2020-12-23 09:20:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:55,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553887144] [2020-12-23 09:20:55,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:55,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:55,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845958296] [2020-12-23 09:20:55,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:55,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:55,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:55,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:55,429 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2020-12-23 09:20:55,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:55,446 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2020-12-23 09:20:55,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:55,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-23 09:20:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:55,448 INFO L225 Difference]: With dead ends: 106 [2020-12-23 09:20:55,448 INFO L226 Difference]: Without dead ends: 73 [2020-12-23 09:20:55,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:55,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-23 09:20:55,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-12-23 09:20:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-23 09:20:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2020-12-23 09:20:55,461 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2020-12-23 09:20:55,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:55,461 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2020-12-23 09:20:55,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-12-23 09:20:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 09:20:55,463 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:55,463 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] [2020-12-23 09:20:55,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:20:55,464 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:55,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2020-12-23 09:20:55,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:55,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258344607] [2020-12-23 09:20:55,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:55,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258344607] [2020-12-23 09:20:55,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:55,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:55,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447548304] [2020-12-23 09:20:55,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:55,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:55,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:55,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:55,547 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2020-12-23 09:20:55,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:55,596 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2020-12-23 09:20:55,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:55,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-23 09:20:55,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:55,600 INFO L225 Difference]: With dead ends: 178 [2020-12-23 09:20:55,600 INFO L226 Difference]: Without dead ends: 116 [2020-12-23 09:20:55,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:55,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-23 09:20:55,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-12-23 09:20:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-23 09:20:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2020-12-23 09:20:55,638 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2020-12-23 09:20:55,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:55,638 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2020-12-23 09:20:55,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2020-12-23 09:20:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-23 09:20:55,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:55,640 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] [2020-12-23 09:20:55,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:20:55,641 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:55,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:55,641 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2020-12-23 09:20:55,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:55,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656961605] [2020-12-23 09:20:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:55,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656961605] [2020-12-23 09:20:55,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:55,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:55,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831320988] [2020-12-23 09:20:55,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:55,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:55,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:55,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:55,742 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2020-12-23 09:20:55,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:55,906 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2020-12-23 09:20:55,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:20:55,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-23 09:20:55,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:55,909 INFO L225 Difference]: With dead ends: 405 [2020-12-23 09:20:55,909 INFO L226 Difference]: Without dead ends: 298 [2020-12-23 09:20:55,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:20:55,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-12-23 09:20:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2020-12-23 09:20:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-12-23 09:20:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2020-12-23 09:20:55,930 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2020-12-23 09:20:55,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:55,930 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2020-12-23 09:20:55,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2020-12-23 09:20:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:20:55,932 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:55,932 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] [2020-12-23 09:20:55,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:20:55,933 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:55,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2020-12-23 09:20:55,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:55,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56382659] [2020-12-23 09:20:55,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:55,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56382659] [2020-12-23 09:20:55,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:56,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671498263] [2020-12-23 09:20:56,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:56,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:56,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:56,002 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2020-12-23 09:20:56,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:56,068 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-12-23 09:20:56,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:56,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-23 09:20:56,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:56,071 INFO L225 Difference]: With dead ends: 304 [2020-12-23 09:20:56,071 INFO L226 Difference]: Without dead ends: 199 [2020-12-23 09:20:56,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:20:56,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-12-23 09:20:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2020-12-23 09:20:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-23 09:20:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2020-12-23 09:20:56,105 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2020-12-23 09:20:56,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:56,107 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2020-12-23 09:20:56,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2020-12-23 09:20:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:20:56,115 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:56,115 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] [2020-12-23 09:20:56,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:20:56,115 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:56,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:56,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2020-12-23 09:20:56,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:56,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083392111] [2020-12-23 09:20:56,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083392111] [2020-12-23 09:20:56,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:56,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640272961] [2020-12-23 09:20:56,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:56,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:56,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:56,235 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2020-12-23 09:20:56,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:56,274 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2020-12-23 09:20:56,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:20:56,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-23 09:20:56,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:56,276 INFO L225 Difference]: With dead ends: 283 [2020-12-23 09:20:56,276 INFO L226 Difference]: Without dead ends: 172 [2020-12-23 09:20:56,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:56,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-23 09:20:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2020-12-23 09:20:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-23 09:20:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-12-23 09:20:56,296 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2020-12-23 09:20:56,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:56,297 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-12-23 09:20:56,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-12-23 09:20:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:20:56,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:56,302 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] [2020-12-23 09:20:56,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:20:56,303 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:56,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:56,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2020-12-23 09:20:56,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:56,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632174370] [2020-12-23 09:20:56,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632174370] [2020-12-23 09:20:56,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:56,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525085392] [2020-12-23 09:20:56,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:56,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:56,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:56,406 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-12-23 09:20:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:56,440 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2020-12-23 09:20:56,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:56,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-23 09:20:56,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:56,442 INFO L225 Difference]: With dead ends: 293 [2020-12-23 09:20:56,442 INFO L226 Difference]: Without dead ends: 178 [2020-12-23 09:20:56,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-12-23 09:20:56,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-12-23 09:20:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-12-23 09:20:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2020-12-23 09:20:56,460 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2020-12-23 09:20:56,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:56,460 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2020-12-23 09:20:56,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2020-12-23 09:20:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:56,461 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:56,461 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] [2020-12-23 09:20:56,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:20:56,462 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:56,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:56,463 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2020-12-23 09:20:56,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:56,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751258657] [2020-12-23 09:20:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751258657] [2020-12-23 09:20:56,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:56,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:20:56,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804757060] [2020-12-23 09:20:56,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:20:56,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:56,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:20:56,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:20:56,591 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2020-12-23 09:20:56,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:56,871 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2020-12-23 09:20:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:20:56,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-12-23 09:20:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:56,876 INFO L225 Difference]: With dead ends: 855 [2020-12-23 09:20:56,876 INFO L226 Difference]: Without dead ends: 740 [2020-12-23 09:20:56,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:20:56,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-12-23 09:20:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2020-12-23 09:20:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-12-23 09:20:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2020-12-23 09:20:56,911 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2020-12-23 09:20:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:56,911 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2020-12-23 09:20:56,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:20:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2020-12-23 09:20:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:20:56,912 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:56,913 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] [2020-12-23 09:20:56,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:20:56,913 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:56,914 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2020-12-23 09:20:56,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:56,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677841360] [2020-12-23 09:20:56,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:56,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677841360] [2020-12-23 09:20:56,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22433761] [2020-12-23 09:20:56,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:20:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:57,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 09:20:57,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:20:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:57,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:20:57,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-23 09:20:57,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440340616] [2020-12-23 09:20:57,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:20:57,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:57,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:20:57,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:20:57,288 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2020-12-23 09:20:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:57,715 INFO L93 Difference]: Finished difference Result 621 states and 837 transitions. [2020-12-23 09:20:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 09:20:57,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-12-23 09:20:57,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:57,717 INFO L225 Difference]: With dead ends: 621 [2020-12-23 09:20:57,717 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:20:57,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-12-23 09:20:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:20:57,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:20:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:20:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:20:57,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-12-23 09:20:57,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:57,720 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:20:57,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:20:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:20:57,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:20:57,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:20:57,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:20:58,078 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-12-23 09:20:58,503 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2020-12-23 09:20:58,898 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2020-12-23 09:20:59,035 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-12-23 09:20:59,184 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 13 [2020-12-23 09:20:59,340 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2020-12-23 09:20:59,522 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-12-23 09:20:59,678 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2020-12-23 09:20:59,889 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2020-12-23 09:21:00,100 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 22 [2020-12-23 09:21:00,292 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-12-23 09:21:00,416 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-12-23 09:21:00,566 INFO L189 CegarLoopUtils]: For program point L927(lines 927 944) no Hoare annotation was computed. [2020-12-23 09:21:00,567 INFO L185 CegarLoopUtils]: At program point L927-1(lines 1 947) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2)))) [2020-12-23 09:21:00,567 INFO L189 CegarLoopUtils]: For program point L927-2(lines 927 944) no Hoare annotation was computed. [2020-12-23 09:21:00,567 INFO L185 CegarLoopUtils]: At program point L927-3(lines 1 947) the Hoare annotation is: false [2020-12-23 09:21:00,567 INFO L189 CegarLoopUtils]: For program point L927-4(lines 927 944) no Hoare annotation was computed. [2020-12-23 09:21:00,567 INFO L185 CegarLoopUtils]: At program point L927-5(lines 1 947) the Hoare annotation is: false [2020-12-23 09:21:00,568 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:21:00,568 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:21:00,568 INFO L192 CegarLoopUtils]: At program point L152(lines 133 155) the Hoare annotation is: true [2020-12-23 09:21:00,568 INFO L185 CegarLoopUtils]: At program point L747(lines 747 753) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-23 09:21:00,568 INFO L189 CegarLoopUtils]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-12-23 09:21:00,569 INFO L185 CegarLoopUtils]: At program point L747-1(lines 747 753) the Hoare annotation is: false [2020-12-23 09:21:00,569 INFO L189 CegarLoopUtils]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2020-12-23 09:21:00,569 INFO L185 CegarLoopUtils]: At program point L747-2(lines 747 753) the Hoare annotation is: false [2020-12-23 09:21:00,569 INFO L189 CegarLoopUtils]: For program point L714-2(lines 714 720) no Hoare annotation was computed. [2020-12-23 09:21:00,569 INFO L189 CegarLoopUtils]: For program point L599(lines 599 612) no Hoare annotation was computed. [2020-12-23 09:21:00,569 INFO L185 CegarLoopUtils]: At program point L880(lines 865 883) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-23 09:21:00,570 INFO L185 CegarLoopUtils]: At program point L880-1(lines 865 883) the Hoare annotation is: false [2020-12-23 09:21:00,570 INFO L185 CegarLoopUtils]: At program point L880-2(lines 865 883) the Hoare annotation is: false [2020-12-23 09:21:00,570 INFO L189 CegarLoopUtils]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-12-23 09:21:00,570 INFO L185 CegarLoopUtils]: At program point L617(lines 568 618) the Hoare annotation is: false [2020-12-23 09:21:00,570 INFO L189 CegarLoopUtils]: For program point L931(lines 931 941) no Hoare annotation was computed. [2020-12-23 09:21:00,570 INFO L189 CegarLoopUtils]: For program point L931-2(lines 931 941) no Hoare annotation was computed. [2020-12-23 09:21:00,570 INFO L189 CegarLoopUtils]: For program point L931-4(lines 931 941) no Hoare annotation was computed. [2020-12-23 09:21:00,570 INFO L189 CegarLoopUtils]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-12-23 09:21:00,571 INFO L189 CegarLoopUtils]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2020-12-23 09:21:00,571 INFO L189 CegarLoopUtils]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2020-12-23 09:21:00,571 INFO L185 CegarLoopUtils]: At program point L916(lines 740 746) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-12-23 09:21:00,571 INFO L185 CegarLoopUtils]: At program point L916-1(lines 740 746) the Hoare annotation is: false [2020-12-23 09:21:00,571 INFO L185 CegarLoopUtils]: At program point L916-2(lines 740 746) the Hoare annotation is: false [2020-12-23 09:21:00,571 INFO L185 CegarLoopUtils]: At program point L553(lines 548 556) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:00,572 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:21:00,572 INFO L189 CegarLoopUtils]: For program point L570(lines 569 616) no Hoare annotation was computed. [2020-12-23 09:21:00,572 INFO L185 CegarLoopUtils]: At program point L719(lines 710 723) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-23 09:21:00,572 INFO L185 CegarLoopUtils]: At program point L719-1(lines 710 723) the Hoare annotation is: false [2020-12-23 09:21:00,572 INFO L185 CegarLoopUtils]: At program point L719-2(lines 710 723) the Hoare annotation is: false [2020-12-23 09:21:00,572 INFO L189 CegarLoopUtils]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-12-23 09:21:00,573 INFO L189 CegarLoopUtils]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-12-23 09:21:00,573 INFO L189 CegarLoopUtils]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2020-12-23 09:21:00,573 INFO L189 CegarLoopUtils]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2020-12-23 09:21:00,573 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:21:00,573 INFO L189 CegarLoopUtils]: For program point L605(lines 605 611) no Hoare annotation was computed. [2020-12-23 09:21:00,573 INFO L185 CegarLoopUtils]: At program point L605-1(lines 605 611) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-23 09:21:00,573 INFO L189 CegarLoopUtils]: For program point L143(lines 143 150) no Hoare annotation was computed. [2020-12-23 09:21:00,574 INFO L192 CegarLoopUtils]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2020-12-23 09:21:00,574 INFO L189 CegarLoopUtils]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-12-23 09:21:00,574 INFO L185 CegarLoopUtils]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-23 09:21:00,574 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:21:00,574 INFO L189 CegarLoopUtils]: For program point L772(lines 772 789) no Hoare annotation was computed. [2020-12-23 09:21:00,574 INFO L189 CegarLoopUtils]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2020-12-23 09:21:00,575 INFO L185 CegarLoopUtils]: At program point L706(lines 701 709) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2)))) [2020-12-23 09:21:00,575 INFO L189 CegarLoopUtils]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2020-12-23 09:21:00,575 INFO L185 CegarLoopUtils]: At program point L706-1(lines 701 709) the Hoare annotation is: false [2020-12-23 09:21:00,575 INFO L185 CegarLoopUtils]: At program point L706-2(lines 701 709) the Hoare annotation is: false [2020-12-23 09:21:00,575 INFO L189 CegarLoopUtils]: For program point L888(lines 888 894) no Hoare annotation was computed. [2020-12-23 09:21:00,575 INFO L185 CegarLoopUtils]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-23 09:21:00,576 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-23 09:21:00,576 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-23 09:21:00,576 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-23 09:21:00,576 INFO L185 CegarLoopUtils]: At program point L740(lines 736 758) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-12-23 09:21:00,576 INFO L185 CegarLoopUtils]: At program point L740-1(lines 736 758) the Hoare annotation is: false [2020-12-23 09:21:00,576 INFO L185 CegarLoopUtils]: At program point L740-2(lines 736 758) the Hoare annotation is: false [2020-12-23 09:21:00,577 INFO L185 CegarLoopUtils]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-12-23 09:21:00,577 INFO L185 CegarLoopUtils]: At program point L906(lines 901 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:00,577 INFO L189 CegarLoopUtils]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-23 09:21:00,577 INFO L185 CegarLoopUtils]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:00,577 INFO L189 CegarLoopUtils]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-12-23 09:21:00,577 INFO L189 CegarLoopUtils]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2020-12-23 09:21:00,577 INFO L189 CegarLoopUtils]: For program point L874-3(lines 874 878) no Hoare annotation was computed. [2020-12-23 09:21:00,577 INFO L189 CegarLoopUtils]: For program point L874-5(lines 874 878) no Hoare annotation was computed. [2020-12-23 09:21:00,578 INFO L189 CegarLoopUtils]: For program point L874-6(lines 874 878) no Hoare annotation was computed. [2020-12-23 09:21:00,578 INFO L189 CegarLoopUtils]: For program point L874-8(lines 874 878) no Hoare annotation was computed. [2020-12-23 09:21:00,578 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:21:00,578 INFO L185 CegarLoopUtils]: At program point L825(lines 820 828) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1)))) [2020-12-23 09:21:00,578 INFO L185 CegarLoopUtils]: At program point L825-1(lines 820 828) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-12-23 09:21:00,579 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:21:00,579 INFO L185 CegarLoopUtils]: At program point L825-2(lines 820 828) the Hoare annotation is: false [2020-12-23 09:21:00,579 INFO L185 CegarLoopUtils]: At program point L825-3(lines 820 828) the Hoare annotation is: false [2020-12-23 09:21:00,579 INFO L185 CegarLoopUtils]: At program point L825-4(lines 820 828) the Hoare annotation is: false [2020-12-23 09:21:00,579 INFO L185 CegarLoopUtils]: At program point L825-5(lines 820 828) the Hoare annotation is: false [2020-12-23 09:21:00,579 INFO L189 CegarLoopUtils]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-12-23 09:21:00,580 INFO L189 CegarLoopUtils]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2020-12-23 09:21:00,580 INFO L189 CegarLoopUtils]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-12-23 09:21:00,580 INFO L185 CegarLoopUtils]: At program point L545(lines 1 947) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:00,580 INFO L189 CegarLoopUtils]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-12-23 09:21:00,580 INFO L189 CegarLoopUtils]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-12-23 09:21:00,580 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-23 09:21:00,581 INFO L185 CegarLoopUtils]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-23 09:21:00,581 INFO L189 CegarLoopUtils]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-12-23 09:21:00,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:21:00 BoogieIcfgContainer [2020-12-23 09:21:00,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:21:00,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:21:00,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:21:00,617 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:21:00,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:54" (3/4) ... [2020-12-23 09:21:00,625 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:21:00,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:21:00,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:21:00,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:21:00,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:21:00,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:21:00,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:00,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:00,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:21:00,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-23 09:21:00,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-23 09:21:00,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-23 09:21:00,697 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) [2020-12-23 09:21:00,697 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-12-23 09:21:00,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:21:00,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-23 09:21:00,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-12-23 09:21:00,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:21:00,702 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-12-23 09:21:00,702 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-23 09:21:00,794 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product35.cil.c-witness.graphml [2020-12-23 09:21:00,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:21:00,798 INFO L168 Benchmark]: Toolchain (without parser) took 8163.86 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 125.7 MB in the beginning and 141.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 62.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:00,799 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 136.1 MB in the beginning and 136.0 MB in the end (delta: 115.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:21:00,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 129.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:00,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.22 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 126.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:00,800 INFO L168 Benchmark]: Boogie Preprocessor took 43.83 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 124.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:00,800 INFO L168 Benchmark]: RCFGBuilder took 1093.76 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 110.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 38.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:00,801 INFO L168 Benchmark]: TraceAbstraction took 6085.67 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 110.1 MB in the beginning and 149.4 MB in the end (delta: -39.3 MB). Peak memory consumption was 113.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:00,801 INFO L168 Benchmark]: Witness Printer took 178.30 ms. Allocated memory is still 228.6 MB. Free memory was 149.4 MB in the beginning and 141.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:00,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 136.1 MB in the beginning and 136.0 MB in the end (delta: 115.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 653.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 129.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 95.22 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 126.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.83 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 124.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1093.76 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 110.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 38.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6085.67 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 110.1 MB in the beginning and 149.4 MB in the end (delta: -39.3 MB). Peak memory consumption was 113.2 MB. Max. memory is 8.0 GB. * Witness Printer took 178.30 ms. Allocated memory is still 228.6 MB. Free memory was 149.4 MB in the beginning and 141.6 MB in the end (delta: 7.9 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 736]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 847 SDtfs, 1142 SDslu, 1332 SDs, 0 SdLazy, 231 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s 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, 753 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 182 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 38477 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9378 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 27835 SizeOfPredicates, 3 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 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...