/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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:12:31,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:12:31,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:12:31,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:12:31,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:12:31,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:12:31,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:12:31,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:12:31,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:12:31,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:12:31,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:12:31,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:12:31,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:12:31,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:12:31,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:12:31,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:12:31,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:12:31,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:12:31,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:12:31,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:12:31,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:12:31,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:12:31,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:12:31,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:12:31,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:12:31,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:12:31,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:12:31,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:12:31,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:12:31,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:12:31,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:12:31,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:12:31,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:12:31,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:12:31,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:12:31,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:12:31,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:12:31,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:12:31,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:12:31,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:12:31,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:12:31,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:12:31,848 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:12:31,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:12:31,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:12:31,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:12:31,854 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:12:31,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:12:31,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:12:31,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:12:31,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:12:31,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:12:31,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:12:31,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:12:31,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:12:31,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:12:31,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:12:31,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:12:31,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:12:31,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:31,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:12:31,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:12:31,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:12:31,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:12:31,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:12:31,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:12:31,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:12:31,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:12:32,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:12:32,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:12:32,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:12:32,330 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:12:32,330 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:12:32,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-01-06 19:12:32,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b4befa247/de813692c81c4e05988dcd4c4c1bbc59/FLAG43898da6f [2021-01-06 19:12:33,066 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:12:33,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-01-06 19:12:33,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b4befa247/de813692c81c4e05988dcd4c4c1bbc59/FLAG43898da6f [2021-01-06 19:12:33,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b4befa247/de813692c81c4e05988dcd4c4c1bbc59 [2021-01-06 19:12:33,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:12:33,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:12:33,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:33,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:12:33,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:12:33,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:33" (1/1) ... [2021-01-06 19:12:33,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12794ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:33, skipping insertion in model container [2021-01-06 19:12:33,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:33" (1/1) ... [2021-01-06 19:12:33,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:12:33,482 INFO L178 MainTranslator]: Built tables and reachable declarations 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] [2021-01-06 19:12:33,890 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_spec3_product33.cil.c[13664,13677] 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[~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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:33,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:33,962 INFO L203 MainTranslator]: Completed pre-run 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] [2021-01-06 19:12:34,047 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_spec3_product33.cil.c[13664,13677] 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[~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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:34,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:34,097 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:12:34,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34 WrapperNode [2021-01-06 19:12:34,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:34,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:34,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:12:34,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:12:34,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:34,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:12:34,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:12:34,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:12:34,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... [2021-01-06 19:12:34,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:12:34,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:12:34,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:12:34,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:12:34,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:12:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:12:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:12:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:35,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:35,517 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-01-06 19:12:35,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:35 BoogieIcfgContainer [2021-01-06 19:12:35,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:35,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:35,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:35,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:35,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:12:33" (1/3) ... [2021-01-06 19:12:35,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a57d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:35, skipping insertion in model container [2021-01-06 19:12:35,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:34" (2/3) ... [2021-01-06 19:12:35,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a57d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:35, skipping insertion in model container [2021-01-06 19:12:35,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:35" (3/3) ... [2021-01-06 19:12:35,534 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-01-06 19:12:35,541 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:35,546 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:35,570 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:35,602 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:35,603 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:35,603 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:35,603 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:35,603 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:35,603 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:35,603 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:35,604 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:35,621 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2021-01-06 19:12:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:35,628 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:35,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:35,630 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:35,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1284074395, now seen corresponding path program 1 times [2021-01-06 19:12:35,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:35,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293858390] [2021-01-06 19:12:35,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:35,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293858390] [2021-01-06 19:12:35,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:35,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:35,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427655824] [2021-01-06 19:12:36,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:36,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:36,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:36,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:36,020 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2021-01-06 19:12:36,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:36,048 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-01-06 19:12:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:36,050 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:36,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:36,062 INFO L225 Difference]: With dead ends: 162 [2021-01-06 19:12:36,062 INFO L226 Difference]: Without dead ends: 80 [2021-01-06 19:12:36,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-01-06 19:12:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-01-06 19:12:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-01-06 19:12:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2021-01-06 19:12:36,125 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2021-01-06 19:12:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:36,125 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2021-01-06 19:12:36,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-01-06 19:12:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:36,127 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:36,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:36,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:36,128 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:36,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:36,129 INFO L82 PathProgramCache]: Analyzing trace with hash 373043642, now seen corresponding path program 1 times [2021-01-06 19:12:36,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:36,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640064982] [2021-01-06 19:12:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:36,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640064982] [2021-01-06 19:12:36,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:36,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:36,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570225403] [2021-01-06 19:12:36,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:36,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:36,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:36,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:36,258 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 3 states. [2021-01-06 19:12:36,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:36,271 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2021-01-06 19:12:36,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:36,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:36,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:36,273 INFO L225 Difference]: With dead ends: 80 [2021-01-06 19:12:36,274 INFO L226 Difference]: Without dead ends: 36 [2021-01-06 19:12:36,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:36,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-01-06 19:12:36,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-01-06 19:12:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-01-06 19:12:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-01-06 19:12:36,282 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2021-01-06 19:12:36,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:36,282 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-01-06 19:12:36,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-01-06 19:12:36,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:36,283 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:36,284 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] [2021-01-06 19:12:36,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:36,284 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:36,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:36,285 INFO L82 PathProgramCache]: Analyzing trace with hash -196588044, now seen corresponding path program 1 times [2021-01-06 19:12:36,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:36,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264980565] [2021-01-06 19:12:36,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:36,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264980565] [2021-01-06 19:12:36,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:36,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:36,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605061248] [2021-01-06 19:12:36,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:36,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:36,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:36,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:36,463 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2021-01-06 19:12:36,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:36,476 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-01-06 19:12:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:36,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:12:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:36,478 INFO L225 Difference]: With dead ends: 66 [2021-01-06 19:12:36,478 INFO L226 Difference]: Without dead ends: 36 [2021-01-06 19:12:36,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:36,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-01-06 19:12:36,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-01-06 19:12:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-01-06 19:12:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-01-06 19:12:36,485 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-01-06 19:12:36,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:36,486 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-01-06 19:12:36,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-01-06 19:12:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:12:36,487 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:36,487 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] [2021-01-06 19:12:36,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:36,488 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:36,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:36,488 INFO L82 PathProgramCache]: Analyzing trace with hash 961211503, now seen corresponding path program 1 times [2021-01-06 19:12:36,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:36,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833024171] [2021-01-06 19:12:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:36,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833024171] [2021-01-06 19:12:36,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:36,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:36,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176648659] [2021-01-06 19:12:36,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:36,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:36,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:36,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:36,550 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2021-01-06 19:12:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:36,575 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-01-06 19:12:36,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:36,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-01-06 19:12:36,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:36,577 INFO L225 Difference]: With dead ends: 89 [2021-01-06 19:12:36,578 INFO L226 Difference]: Without dead ends: 59 [2021-01-06 19:12:36,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:36,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-01-06 19:12:36,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-01-06 19:12:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-01-06 19:12:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-01-06 19:12:36,588 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-01-06 19:12:36,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:36,589 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-01-06 19:12:36,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-01-06 19:12:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:12:36,590 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:36,590 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] [2021-01-06 19:12:36,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:36,591 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:36,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:36,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1128412896, now seen corresponding path program 1 times [2021-01-06 19:12:36,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:36,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312129650] [2021-01-06 19:12:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:36,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312129650] [2021-01-06 19:12:36,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:36,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:36,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538301741] [2021-01-06 19:12:36,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:36,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:36,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:36,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:36,675 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2021-01-06 19:12:36,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:36,744 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-01-06 19:12:36,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:36,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-06 19:12:36,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:36,746 INFO L225 Difference]: With dead ends: 149 [2021-01-06 19:12:36,747 INFO L226 Difference]: Without dead ends: 98 [2021-01-06 19:12:36,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:12:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-01-06 19:12:36,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-01-06 19:12:36,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-01-06 19:12:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-01-06 19:12:36,759 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-01-06 19:12:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:36,759 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-01-06 19:12:36,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-01-06 19:12:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:12:36,761 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:36,761 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] [2021-01-06 19:12:36,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:36,761 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:36,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:36,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1016803, now seen corresponding path program 1 times [2021-01-06 19:12:36,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:36,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167582456] [2021-01-06 19:12:36,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:36,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167582456] [2021-01-06 19:12:36,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:36,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:36,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775364449] [2021-01-06 19:12:36,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:36,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:36,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:36,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:36,868 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2021-01-06 19:12:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:37,021 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2021-01-06 19:12:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:37,022 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-06 19:12:37,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:37,024 INFO L225 Difference]: With dead ends: 314 [2021-01-06 19:12:37,025 INFO L226 Difference]: Without dead ends: 260 [2021-01-06 19:12:37,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:37,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-01-06 19:12:37,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-01-06 19:12:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-01-06 19:12:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2021-01-06 19:12:37,047 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2021-01-06 19:12:37,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:37,047 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2021-01-06 19:12:37,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2021-01-06 19:12:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:37,049 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:37,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:37,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:12:37,050 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:37,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:37,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2111743067, now seen corresponding path program 1 times [2021-01-06 19:12:37,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:37,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963421546] [2021-01-06 19:12:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:37,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963421546] [2021-01-06 19:12:37,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:37,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:37,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086787090] [2021-01-06 19:12:37,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:37,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:37,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:37,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:37,107 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand 4 states. [2021-01-06 19:12:37,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:37,182 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2021-01-06 19:12:37,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:12:37,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-01-06 19:12:37,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:37,184 INFO L225 Difference]: With dead ends: 212 [2021-01-06 19:12:37,184 INFO L226 Difference]: Without dead ends: 158 [2021-01-06 19:12:37,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:37,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-01-06 19:12:37,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-01-06 19:12:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:12:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2021-01-06 19:12:37,202 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2021-01-06 19:12:37,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:37,203 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2021-01-06 19:12:37,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2021-01-06 19:12:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:37,205 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:37,205 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] [2021-01-06 19:12:37,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:12:37,205 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:37,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:37,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1172106979, now seen corresponding path program 1 times [2021-01-06 19:12:37,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:37,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900296306] [2021-01-06 19:12:37,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:37,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900296306] [2021-01-06 19:12:37,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:37,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:37,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729039491] [2021-01-06 19:12:37,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:37,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:37,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:37,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:37,278 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand 4 states. [2021-01-06 19:12:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:37,311 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2021-01-06 19:12:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:37,312 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-01-06 19:12:37,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:37,314 INFO L225 Difference]: With dead ends: 350 [2021-01-06 19:12:37,314 INFO L226 Difference]: Without dead ends: 246 [2021-01-06 19:12:37,315 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 [2021-01-06 19:12:37,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-01-06 19:12:37,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2021-01-06 19:12:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-01-06 19:12:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-01-06 19:12:37,331 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-01-06 19:12:37,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:37,332 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-01-06 19:12:37,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-01-06 19:12:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:37,333 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:37,333 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] [2021-01-06 19:12:37,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:12:37,334 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:37,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:37,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1737298786, now seen corresponding path program 1 times [2021-01-06 19:12:37,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:37,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069960417] [2021-01-06 19:12:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:37,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069960417] [2021-01-06 19:12:37,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:37,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:37,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91681474] [2021-01-06 19:12:37,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:37,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:37,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:37,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:37,420 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 5 states. [2021-01-06 19:12:37,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:37,587 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2021-01-06 19:12:37,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:37,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-01-06 19:12:37,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:37,589 INFO L225 Difference]: With dead ends: 325 [2021-01-06 19:12:37,589 INFO L226 Difference]: Without dead ends: 63 [2021-01-06 19:12:37,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:12:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-01-06 19:12:37,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2021-01-06 19:12:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-01-06 19:12:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2021-01-06 19:12:37,600 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2021-01-06 19:12:37,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:37,601 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2021-01-06 19:12:37,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-01-06 19:12:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:37,606 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:37,606 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] [2021-01-06 19:12:37,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:12:37,607 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:37,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1430272417, now seen corresponding path program 1 times [2021-01-06 19:12:37,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:37,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230568040] [2021-01-06 19:12:37,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:37,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230568040] [2021-01-06 19:12:37,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:37,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:12:37,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184708559] [2021-01-06 19:12:37,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:37,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:37,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:37,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:37,697 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand 6 states. [2021-01-06 19:12:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:37,743 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2021-01-06 19:12:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:37,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-01-06 19:12:37,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:37,755 INFO L225 Difference]: With dead ends: 103 [2021-01-06 19:12:37,755 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:12:37,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:12:37,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:12:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:12:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:12:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:12:37,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-01-06 19:12:37,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:37,757 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:12:37,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:12:37,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:12:37,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:12:37,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:12:38,273 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-01-06 19:12:38,274 INFO L185 CegarLoopUtils]: At program point L696(lines 695 714) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-01-06 19:12:38,274 INFO L189 CegarLoopUtils]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:12:38,274 INFO L185 CegarLoopUtils]: At program point L696-2(lines 695 714) the Hoare annotation is: false [2021-01-06 19:12:38,275 INFO L185 CegarLoopUtils]: At program point L696-3(lines 695 714) the Hoare annotation is: false [2021-01-06 19:12:38,275 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:12:38,275 INFO L189 CegarLoopUtils]: For program point L631(lines 630 675) no Hoare annotation was computed. [2021-01-06 19:12:38,275 INFO L189 CegarLoopUtils]: For program point L615(line 615) no Hoare annotation was computed. [2021-01-06 19:12:38,275 INFO L189 CegarLoopUtils]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-01-06 19:12:38,275 INFO L189 CegarLoopUtils]: For program point L615-2(line 615) no Hoare annotation was computed. [2021-01-06 19:12:38,275 INFO L189 CegarLoopUtils]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-01-06 19:12:38,275 INFO L189 CegarLoopUtils]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-01-06 19:12:38,276 INFO L189 CegarLoopUtils]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2021-01-06 19:12:38,276 INFO L189 CegarLoopUtils]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2021-01-06 19:12:38,276 INFO L189 CegarLoopUtils]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-01-06 19:12:38,276 INFO L189 CegarLoopUtils]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2021-01-06 19:12:38,276 INFO L189 CegarLoopUtils]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2021-01-06 19:12:38,276 INFO L185 CegarLoopUtils]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1)) [2021-01-06 19:12:38,276 INFO L185 CegarLoopUtils]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2021-01-06 19:12:38,277 INFO L185 CegarLoopUtils]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2021-01-06 19:12:38,277 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-01-06 19:12:38,277 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2021-01-06 19:12:38,277 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-01-06 19:12:38,277 INFO L185 CegarLoopUtils]: At program point L897(lines 1 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:38,277 INFO L189 CegarLoopUtils]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-01-06 19:12:38,278 INFO L189 CegarLoopUtils]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2021-01-06 19:12:38,278 INFO L189 CegarLoopUtils]: For program point L666(lines 666 670) no Hoare annotation was computed. [2021-01-06 19:12:38,278 INFO L189 CegarLoopUtils]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2021-01-06 19:12:38,278 INFO L189 CegarLoopUtils]: For program point L666-2(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:12:38,278 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-01-06 19:12:38,278 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-01-06 19:12:38,278 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-01-06 19:12:38,279 INFO L185 CegarLoopUtils]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:38,279 INFO L189 CegarLoopUtils]: For program point L650(lines 650 656) no Hoare annotation was computed. [2021-01-06 19:12:38,279 INFO L185 CegarLoopUtils]: At program point L650-1(lines 650 656) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-01-06 19:12:38,279 INFO L185 CegarLoopUtils]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2021-01-06 19:12:38,279 INFO L189 CegarLoopUtils]: For program point L156(line 156) no Hoare annotation was computed. [2021-01-06 19:12:38,279 INFO L189 CegarLoopUtils]: For program point L850(lines 850 870) no Hoare annotation was computed. [2021-01-06 19:12:38,279 INFO L189 CegarLoopUtils]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2021-01-06 19:12:38,280 INFO L189 CegarLoopUtils]: For program point L850-4(lines 850 870) no Hoare annotation was computed. [2021-01-06 19:12:38,280 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:12:38,280 INFO L185 CegarLoopUtils]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment_~tmp~5 0)))) [2021-01-06 19:12:38,280 INFO L185 CegarLoopUtils]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-01-06 19:12:38,280 INFO L185 CegarLoopUtils]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2021-01-06 19:12:38,280 INFO L192 CegarLoopUtils]: At program point L240(lines 221 243) the Hoare annotation is: true [2021-01-06 19:12:38,281 INFO L185 CegarLoopUtils]: At program point L703(lines 703 709) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1))) [2021-01-06 19:12:38,281 INFO L185 CegarLoopUtils]: At program point L703-1(lines 703 709) the Hoare annotation is: false [2021-01-06 19:12:38,281 INFO L185 CegarLoopUtils]: At program point L703-2(lines 703 709) the Hoare annotation is: false [2021-01-06 19:12:38,281 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 0)))) [2021-01-06 19:12:38,281 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-01-06 19:12:38,281 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-01-06 19:12:38,282 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-01-06 19:12:38,282 INFO L185 CegarLoopUtils]: At program point L836(lines 821 839) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not .cse5)) (and .cse1 (let ((.cse6 (= ~waterLevel~0 1))) (or (and .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse0 .cse3 .cse4)))))) [2021-01-06 19:12:38,282 INFO L185 CegarLoopUtils]: At program point L836-1(lines 821 839) the Hoare annotation is: false [2021-01-06 19:12:38,282 INFO L185 CegarLoopUtils]: At program point L836-2(lines 821 839) the Hoare annotation is: false [2021-01-06 19:12:38,282 INFO L189 CegarLoopUtils]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-01-06 19:12:38,283 INFO L189 CegarLoopUtils]: For program point L159-1(lines 696 702) no Hoare annotation was computed. [2021-01-06 19:12:38,283 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:12:38,283 INFO L189 CegarLoopUtils]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-01-06 19:12:38,283 INFO L185 CegarLoopUtils]: At program point L640-1(lines 640 646) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-01-06 19:12:38,283 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-01-06 19:12:38,283 INFO L185 CegarLoopUtils]: At program point L905(lines 900 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:38,284 INFO L189 CegarLoopUtils]: For program point L856(lines 856 869) no Hoare annotation was computed. [2021-01-06 19:12:38,284 INFO L185 CegarLoopUtils]: At program point L856-1(lines 1 908) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-01-06 19:12:38,284 INFO L189 CegarLoopUtils]: For program point L856-2(lines 856 869) no Hoare annotation was computed. [2021-01-06 19:12:38,284 INFO L185 CegarLoopUtils]: At program point L856-3(lines 1 908) the Hoare annotation is: false [2021-01-06 19:12:38,284 INFO L189 CegarLoopUtils]: For program point L856-4(lines 856 869) no Hoare annotation was computed. [2021-01-06 19:12:38,284 INFO L185 CegarLoopUtils]: At program point L856-5(lines 1 908) the Hoare annotation is: false [2021-01-06 19:12:38,284 INFO L185 CegarLoopUtils]: At program point L676(lines 629 677) the Hoare annotation is: false [2021-01-06 19:12:38,285 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:12:38,285 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-01-06 19:12:38,285 INFO L189 CegarLoopUtils]: For program point L660(lines 660 671) no Hoare annotation was computed. [2021-01-06 19:12:38,285 INFO L189 CegarLoopUtils]: For program point L231(lines 231 238) no Hoare annotation was computed. [2021-01-06 19:12:38,285 INFO L192 CegarLoopUtils]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2021-01-06 19:12:38,285 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-01-06 19:12:38,285 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L860-2(lines 860 866) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L860-4(lines 860 866) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2021-01-06 19:12:38,286 INFO L189 CegarLoopUtils]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2021-01-06 19:12:38,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:38 BoogieIcfgContainer [2021-01-06 19:12:38,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:38,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:38,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:38,318 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:38,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:35" (3/4) ... [2021-01-06 19:12:38,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:12:38,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:12:38,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:12:38,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:12:38,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:12:38,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:12:38,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:38,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:38,379 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:38,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) [2021-01-06 19:12:38,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (1 == systemActive && ((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0))) [2021-01-06 19:12:38,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && \result == 1 [2021-01-06 19:12:38,434 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product33.cil.c-witness.graphml [2021-01-06 19:12:38,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:38,437 INFO L168 Benchmark]: Toolchain (without parser) took 5052.49 ms. Allocated memory was 161.5 MB in the beginning and 205.5 MB in the end (delta: 44.0 MB). Free memory was 136.2 MB in the beginning and 151.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:38,437 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 161.5 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:38,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.21 ms. Allocated memory is still 161.5 MB. Free memory was 136.0 MB in the beginning and 114.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:38,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.05 ms. Allocated memory is still 161.5 MB. Free memory was 114.8 MB in the beginning and 111.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:38,443 INFO L168 Benchmark]: Boogie Preprocessor took 50.56 ms. Allocated memory is still 161.5 MB. Free memory was 111.7 MB in the beginning and 109.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:38,444 INFO L168 Benchmark]: RCFGBuilder took 1290.72 ms. Allocated memory is still 161.5 MB. Free memory was 109.5 MB in the beginning and 111.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:38,444 INFO L168 Benchmark]: TraceAbstraction took 2795.51 ms. Allocated memory was 161.5 MB in the beginning and 205.5 MB in the end (delta: 44.0 MB). Free memory was 111.4 MB in the beginning and 159.8 MB in the end (delta: -48.4 MB). Peak memory consumption was 90.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:38,445 INFO L168 Benchmark]: Witness Printer took 116.60 ms. Allocated memory is still 205.5 MB. Free memory was 159.3 MB in the beginning and 151.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:38,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 161.5 MB. Free memory is still 137.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 711.21 ms. Allocated memory is still 161.5 MB. Free memory was 136.0 MB in the beginning and 114.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.05 ms. Allocated memory is still 161.5 MB. Free memory was 114.8 MB in the beginning and 111.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.56 ms. Allocated memory is still 161.5 MB. Free memory was 111.7 MB in the beginning and 109.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1290.72 ms. Allocated memory is still 161.5 MB. Free memory was 109.5 MB in the beginning and 111.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2795.51 ms. Allocated memory was 161.5 MB in the beginning and 205.5 MB in the end (delta: 44.0 MB). Free memory was 111.4 MB in the beginning and 159.8 MB in the end (delta: -48.4 MB). Peak memory consumption was 90.7 MB. Max. memory is 8.0 GB. * Witness Printer took 116.60 ms. Allocated memory is still 205.5 MB. Free memory was 159.3 MB in the beginning and 151.9 MB in the end (delta: 7.4 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: 615]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 615]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 615]: 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: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (1 == systemActive && ((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0))) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 742 SDtfs, 666 SDslu, 950 SDs, 0 SdLazy, 147 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 294 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 88 NumberOfFragments, 398 HoareAnnotationTreeSize, 33 FomulaSimplifications, 5506 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 13637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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...