/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:13:11,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:13:11,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:13:11,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:13:11,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:13:11,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:13:11,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:13:11,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:13:11,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:13:11,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:13:11,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:13:11,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:13:11,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:13:11,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:13:11,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:13:11,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:13:11,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:13:11,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:13:11,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:13:11,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:13:11,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:13:11,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:13:11,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:13:11,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:13:11,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:13:11,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:13:11,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:13:11,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:13:11,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:13:11,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:13:11,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:13:11,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:13:12,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:13:12,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:13:12,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:13:12,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:13:12,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:13:12,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:13:12,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:13:12,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:13:12,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:13:12,018 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 19:13:12,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:13:12,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:13:12,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:13:12,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:13:12,071 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:13:12,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:13:12,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:13:12,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:13:12,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:13:12,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:13:12,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:13:12,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:13:12,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:13:12,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:13:12,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:13:12,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:13:12,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:13:12,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:12,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:13:12,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:13:12,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:13:12,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:13:12,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:13:12,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:13:12,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:13:12,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:13:12,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:13:12,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:13:12,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:13:12,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:13:12,478 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:13:12,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2021-01-06 19:13:12,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec6ce4270/82f292d94f274c7289fb6a35a4180653/FLAGbc4794074 [2021-01-06 19:13:13,278 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:13:13,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2021-01-06 19:13:13,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec6ce4270/82f292d94f274c7289fb6a35a4180653/FLAGbc4794074 [2021-01-06 19:13:13,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec6ce4270/82f292d94f274c7289fb6a35a4180653 [2021-01-06 19:13:13,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:13:13,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:13:13,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:13,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:13:13,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:13:13,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:13" (1/1) ... [2021-01-06 19:13:13,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d352ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:13, skipping insertion in model container [2021-01-06 19:13:13,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:13" (1/1) ... [2021-01-06 19:13:13,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:13:13,719 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] [2021-01-06 19:13:13,915 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3026,3039] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:13:14,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:14,140 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] [2021-01-06 19:13:14,167 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3026,3039] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:13:14,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:14,283 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:13:14,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14 WrapperNode [2021-01-06 19:13:14,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:14,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:14,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:13:14,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:13:14,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:14,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:13:14,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:13:14,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:13:14,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (1/1) ... [2021-01-06 19:13:14,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:13:14,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:13:14,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:13:14,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:13:14,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (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 19:13:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:13:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:13:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:13:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:13:15,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:13:15,825 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-01-06 19:13:15,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:15 BoogieIcfgContainer [2021-01-06 19:13:15,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:13:15,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:13:15,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:13:15,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:13:15,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:13:13" (1/3) ... [2021-01-06 19:13:15,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147921dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:15, skipping insertion in model container [2021-01-06 19:13:15,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:14" (2/3) ... [2021-01-06 19:13:15,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147921dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:15, skipping insertion in model container [2021-01-06 19:13:15,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:15" (3/3) ... [2021-01-06 19:13:15,837 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2021-01-06 19:13:15,844 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:13:15,850 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:13:15,870 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:13:15,900 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:13:15,900 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:13:15,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:13:15,901 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:13:15,901 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:13:15,901 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:13:15,901 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:13:15,901 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:13:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-01-06 19:13:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:13:15,927 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:15,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:15,929 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:15,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:15,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2021-01-06 19:13:15,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:15,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083030422] [2021-01-06 19:13:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:16,275 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 19:13:16,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083030422] [2021-01-06 19:13:16,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:16,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:16,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614583815] [2021-01-06 19:13:16,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:13:16,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:16,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:13:16,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:16,313 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-01-06 19:13:16,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:16,352 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-01-06 19:13:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:13:16,354 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:13:16,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:16,367 INFO L225 Difference]: With dead ends: 136 [2021-01-06 19:13:16,367 INFO L226 Difference]: Without dead ends: 67 [2021-01-06 19:13:16,371 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 19:13:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-01-06 19:13:16,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-01-06 19:13:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-01-06 19:13:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-01-06 19:13:16,417 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-01-06 19:13:16,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:16,418 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-01-06 19:13:16,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:13:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-01-06 19:13:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:13:16,419 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:16,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:16,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:13:16,420 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:16,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:16,422 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2021-01-06 19:13:16,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:16,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461287422] [2021-01-06 19:13:16,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:16,561 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 19:13:16,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461287422] [2021-01-06 19:13:16,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:16,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:16,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508233321] [2021-01-06 19:13:16,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:16,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:16,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:16,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:16,568 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2021-01-06 19:13:16,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:16,594 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-01-06 19:13:16,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:16,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:13:16,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:16,599 INFO L225 Difference]: With dead ends: 67 [2021-01-06 19:13:16,599 INFO L226 Difference]: Without dead ends: 33 [2021-01-06 19:13:16,600 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 19:13:16,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-01-06 19:13:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-01-06 19:13:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-01-06 19:13:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-01-06 19:13:16,616 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-01-06 19:13:16,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:16,617 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-01-06 19:13:16,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-01-06 19:13:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:13:16,618 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:16,618 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] [2021-01-06 19:13:16,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:13:16,619 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:16,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:16,620 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2021-01-06 19:13:16,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:16,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788452350] [2021-01-06 19:13:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:16,781 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 19:13:16,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788452350] [2021-01-06 19:13:16,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:16,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:16,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332644309] [2021-01-06 19:13:16,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:13:16,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:16,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:13:16,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:13:16,788 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2021-01-06 19:13:17,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:17,008 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-01-06 19:13:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:17,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-01-06 19:13:17,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:17,010 INFO L225 Difference]: With dead ends: 110 [2021-01-06 19:13:17,011 INFO L226 Difference]: Without dead ends: 83 [2021-01-06 19:13:17,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-01-06 19:13:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-01-06 19:13:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-01-06 19:13:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-01-06 19:13:17,023 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-01-06 19:13:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:17,023 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-01-06 19:13:17,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:13:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-01-06 19:13:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 19:13:17,025 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:17,025 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] [2021-01-06 19:13:17,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:13:17,025 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:17,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:17,026 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2021-01-06 19:13:17,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:17,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872743258] [2021-01-06 19:13:17,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:17,157 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 19:13:17,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872743258] [2021-01-06 19:13:17,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:17,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:13:17,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386166423] [2021-01-06 19:13:17,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:13:17,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:17,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:13:17,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:17,161 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2021-01-06 19:13:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:17,571 INFO L93 Difference]: Finished difference Result 317 states and 489 transitions. [2021-01-06 19:13:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:13:17,571 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2021-01-06 19:13:17,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:17,574 INFO L225 Difference]: With dead ends: 317 [2021-01-06 19:13:17,574 INFO L226 Difference]: Without dead ends: 271 [2021-01-06 19:13:17,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-01-06 19:13:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-01-06 19:13:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 130. [2021-01-06 19:13:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-01-06 19:13:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-01-06 19:13:17,600 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2021-01-06 19:13:17,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:17,600 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-01-06 19:13:17,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:13:17,601 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-01-06 19:13:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:13:17,602 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:17,602 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 19:13:17,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:13:17,603 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:17,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:17,604 INFO L82 PathProgramCache]: Analyzing trace with hash 767593024, now seen corresponding path program 1 times [2021-01-06 19:13:17,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:17,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846569112] [2021-01-06 19:13:17,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:17,705 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 19:13:17,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846569112] [2021-01-06 19:13:17,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:17,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:17,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829752018] [2021-01-06 19:13:17,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:17,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:17,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:17,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:17,713 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2021-01-06 19:13:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:17,741 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2021-01-06 19:13:17,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:17,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:13:17,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:17,745 INFO L225 Difference]: With dead ends: 239 [2021-01-06 19:13:17,745 INFO L226 Difference]: Without dead ends: 115 [2021-01-06 19:13:17,749 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 19:13:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-01-06 19:13:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-01-06 19:13:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-01-06 19:13:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-01-06 19:13:17,783 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2021-01-06 19:13:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:17,784 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-01-06 19:13:17,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-01-06 19:13:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-06 19:13:17,791 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:17,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:17,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:13:17,792 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:17,793 INFO L82 PathProgramCache]: Analyzing trace with hash 402720837, now seen corresponding path program 1 times [2021-01-06 19:13:17,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:17,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128212977] [2021-01-06 19:13:17,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:17,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128212977] [2021-01-06 19:13:17,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250941637] [2021-01-06 19:13:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:13:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:18,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:13:18,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:13:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:18,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:13:18,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-01-06 19:13:18,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015764807] [2021-01-06 19:13:18,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:18,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:18,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:18,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:18,188 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 4 states. [2021-01-06 19:13:18,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:18,274 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2021-01-06 19:13:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:13:18,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2021-01-06 19:13:18,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:18,275 INFO L225 Difference]: With dead ends: 150 [2021-01-06 19:13:18,275 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:13:18,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 19:13:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:13:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:13:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:13:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:13:18,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-01-06 19:13:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:18,277 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:13:18,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:13:18,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:13:18,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 19:13:18,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:13:18,744 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2021-01-06 19:13:19,266 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2021-01-06 19:13:19,270 INFO L189 CegarLoopUtils]: For program point L283(lines 283 296) no Hoare annotation was computed. [2021-01-06 19:13:19,270 INFO L185 CegarLoopUtils]: At program point L283-1(lines 1 883) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0))) (.cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~waterLevel~0 1) .cse2 (not (= 0 ~systemActive~0)) .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-01-06 19:13:19,270 INFO L189 CegarLoopUtils]: For program point L283-2(lines 283 296) no Hoare annotation was computed. [2021-01-06 19:13:19,271 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-01-06 19:13:19,271 INFO L185 CegarLoopUtils]: At program point L283-3(lines 1 883) the Hoare annotation is: false [2021-01-06 19:13:19,271 INFO L189 CegarLoopUtils]: For program point L283-4(lines 283 296) no Hoare annotation was computed. [2021-01-06 19:13:19,271 INFO L185 CegarLoopUtils]: At program point L283-5(lines 1 883) the Hoare annotation is: false [2021-01-06 19:13:19,271 INFO L189 CegarLoopUtils]: For program point L680(lines 680 684) no Hoare annotation was computed. [2021-01-06 19:13:19,272 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:13:19,272 INFO L185 CegarLoopUtils]: At program point L829(lines 824 832) the Hoare annotation is: false [2021-01-06 19:13:19,272 INFO L185 CegarLoopUtils]: At program point L829-1(lines 824 832) the Hoare annotation is: false [2021-01-06 19:13:19,272 INFO L185 CegarLoopUtils]: At program point L829-2(lines 824 832) the Hoare annotation is: false [2021-01-06 19:13:19,272 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 19:13:19,272 INFO L189 CegarLoopUtils]: For program point L185-1(line 185) no Hoare annotation was computed. [2021-01-06 19:13:19,272 INFO L189 CegarLoopUtils]: For program point L185-2(line 185) no Hoare annotation was computed. [2021-01-06 19:13:19,273 INFO L189 CegarLoopUtils]: For program point L780(lines 780 788) no Hoare annotation was computed. [2021-01-06 19:13:19,273 INFO L189 CegarLoopUtils]: For program point L780-1(lines 780 788) no Hoare annotation was computed. [2021-01-06 19:13:19,273 INFO L189 CegarLoopUtils]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-01-06 19:13:19,273 INFO L189 CegarLoopUtils]: For program point L780-2(lines 780 788) no Hoare annotation was computed. [2021-01-06 19:13:19,273 INFO L185 CegarLoopUtils]: At program point L714-1(lines 744 750) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-01-06 19:13:19,273 INFO L189 CegarLoopUtils]: For program point L698(lines 698 704) no Hoare annotation was computed. [2021-01-06 19:13:19,274 INFO L185 CegarLoopUtils]: At program point L698-1(lines 698 704) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0))) (or (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:13:19,274 INFO L185 CegarLoopUtils]: At program point L269(lines 264 272) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-01-06 19:13:19,274 INFO L185 CegarLoopUtils]: At program point L269-1(lines 264 272) the Hoare annotation is: false [2021-01-06 19:13:19,274 INFO L185 CegarLoopUtils]: At program point L269-2(lines 264 272) the Hoare annotation is: false [2021-01-06 19:13:19,274 INFO L185 CegarLoopUtils]: At program point L237(lines 232 240) the Hoare annotation is: false [2021-01-06 19:13:19,275 INFO L185 CegarLoopUtils]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2021-01-06 19:13:19,275 INFO L185 CegarLoopUtils]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2021-01-06 19:13:19,275 INFO L189 CegarLoopUtils]: For program point L287(lines 287 293) no Hoare annotation was computed. [2021-01-06 19:13:19,275 INFO L189 CegarLoopUtils]: For program point L287-2(lines 287 293) no Hoare annotation was computed. [2021-01-06 19:13:19,275 INFO L189 CegarLoopUtils]: For program point L287-4(lines 287 293) no Hoare annotation was computed. [2021-01-06 19:13:19,275 INFO L185 CegarLoopUtils]: At program point L751(lines 751 757) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-01-06 19:13:19,276 INFO L185 CegarLoopUtils]: At program point L751-1(lines 751 757) the Hoare annotation is: false [2021-01-06 19:13:19,276 INFO L185 CegarLoopUtils]: At program point L751-2(lines 751 757) the Hoare annotation is: false [2021-01-06 19:13:19,276 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:13:19,276 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:19,276 INFO L189 CegarLoopUtils]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-01-06 19:13:19,276 INFO L185 CegarLoopUtils]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2021-01-06 19:13:19,277 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-01-06 19:13:19,277 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-01-06 19:13:19,277 INFO L185 CegarLoopUtils]: At program point L820(lines 813 823) the Hoare annotation is: false [2021-01-06 19:13:19,277 INFO L185 CegarLoopUtils]: At program point L820-1(lines 813 823) the Hoare annotation is: false [2021-01-06 19:13:19,277 INFO L185 CegarLoopUtils]: At program point L820-2(lines 813 823) the Hoare annotation is: false [2021-01-06 19:13:19,277 INFO L189 CegarLoopUtils]: For program point L688(lines 688 694) no Hoare annotation was computed. [2021-01-06 19:13:19,277 INFO L192 CegarLoopUtils]: At program point L176(lines 157 179) the Hoare annotation is: true [2021-01-06 19:13:19,278 INFO L185 CegarLoopUtils]: At program point L143(lines 139 145) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) [2021-01-06 19:13:19,278 INFO L185 CegarLoopUtils]: At program point L688-1(lines 688 694) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0))) (or (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:13:19,278 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:13:19,278 INFO L189 CegarLoopUtils]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-01-06 19:13:19,278 INFO L189 CegarLoopUtils]: For program point L96-1(lines 744 750) no Hoare annotation was computed. [2021-01-06 19:13:19,278 INFO L189 CegarLoopUtils]: For program point L212(lines 212 216) no Hoare annotation was computed. [2021-01-06 19:13:19,279 INFO L189 CegarLoopUtils]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-01-06 19:13:19,279 INFO L185 CegarLoopUtils]: At program point L873-1(lines 873 879) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-01-06 19:13:19,279 INFO L189 CegarLoopUtils]: For program point L708(lines 708 721) no Hoare annotation was computed. [2021-01-06 19:13:19,279 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:13:19,279 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-01-06 19:13:19,279 INFO L185 CegarLoopUtils]: At program point L726(lines 677 727) the Hoare annotation is: false [2021-01-06 19:13:19,279 INFO L189 CegarLoopUtils]: For program point L776(lines 776 793) no Hoare annotation was computed. [2021-01-06 19:13:19,280 INFO L189 CegarLoopUtils]: For program point L776-1(lines 776 793) no Hoare annotation was computed. [2021-01-06 19:13:19,280 INFO L189 CegarLoopUtils]: For program point L776-2(lines 776 793) no Hoare annotation was computed. [2021-01-06 19:13:19,280 INFO L185 CegarLoopUtils]: At program point L744(lines 743 762) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-01-06 19:13:19,280 INFO L189 CegarLoopUtils]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2021-01-06 19:13:19,280 INFO L185 CegarLoopUtils]: At program point L744-2(lines 743 762) the Hoare annotation is: false [2021-01-06 19:13:19,280 INFO L185 CegarLoopUtils]: At program point L744-3(lines 743 762) the Hoare annotation is: false [2021-01-06 19:13:19,281 INFO L185 CegarLoopUtils]: At program point L67(lines 1 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:19,281 INFO L189 CegarLoopUtils]: For program point L200(lines 200 204) no Hoare annotation was computed. [2021-01-06 19:13:19,281 INFO L189 CegarLoopUtils]: For program point L167(lines 167 174) no Hoare annotation was computed. [2021-01-06 19:13:19,281 INFO L189 CegarLoopUtils]: For program point L679(lines 678 725) no Hoare annotation was computed. [2021-01-06 19:13:19,281 INFO L192 CegarLoopUtils]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2021-01-06 19:13:19,281 INFO L189 CegarLoopUtils]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2021-01-06 19:13:19,281 INFO L189 CegarLoopUtils]: For program point L200-6(lines 200 204) no Hoare annotation was computed. [2021-01-06 19:13:19,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:13:19 BoogieIcfgContainer [2021-01-06 19:13:19,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:13:19,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:13:19,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:13:19,307 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:13:19,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:15" (3/4) ... [2021-01-06 19:13:19,311 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:13:19,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:13:19,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:13:19,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:13:19,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:13:19,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:13:19,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:19,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:19,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2021-01-06 19:13:19,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel [2021-01-06 19:13:19,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0) && !(\result == 0)) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || (((((waterLevel == 1 && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:19,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0) && !(\result == 0)) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2021-01-06 19:13:19,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0) && !(\result == 0)) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2021-01-06 19:13:19,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:19,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:19,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:19,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:19,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2021-01-06 19:13:19,421 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product07.cil.c-witness.graphml [2021-01-06 19:13:19,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:13:19,422 INFO L168 Benchmark]: Toolchain (without parser) took 5803.09 ms. Allocated memory was 160.4 MB in the beginning and 205.5 MB in the end (delta: 45.1 MB). Free memory was 134.4 MB in the beginning and 162.6 MB in the end (delta: -28.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:19,423 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 160.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:13:19,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.65 ms. Allocated memory is still 160.4 MB. Free memory was 134.1 MB in the beginning and 113.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:19,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.99 ms. Allocated memory is still 160.4 MB. Free memory was 113.7 MB in the beginning and 110.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:19,424 INFO L168 Benchmark]: Boogie Preprocessor took 86.03 ms. Allocated memory is still 160.4 MB. Free memory was 110.9 MB in the beginning and 108.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:19,425 INFO L168 Benchmark]: RCFGBuilder took 1316.68 ms. Allocated memory is still 160.4 MB. Free memory was 108.8 MB in the beginning and 92.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:19,425 INFO L168 Benchmark]: TraceAbstraction took 3476.71 ms. Allocated memory was 160.4 MB in the beginning and 205.5 MB in the end (delta: 45.1 MB). Free memory was 91.5 MB in the beginning and 168.8 MB in the end (delta: -77.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:19,426 INFO L168 Benchmark]: Witness Printer took 114.97 ms. Allocated memory is still 205.5 MB. Free memory was 168.8 MB in the beginning and 162.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:19,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 160.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 661.65 ms. Allocated memory is still 160.4 MB. Free memory was 134.1 MB in the beginning and 113.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 133.99 ms. Allocated memory is still 160.4 MB. Free memory was 113.7 MB in the beginning and 110.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.03 ms. Allocated memory is still 160.4 MB. Free memory was 110.9 MB in the beginning and 108.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1316.68 ms. Allocated memory is still 160.4 MB. Free memory was 108.8 MB in the beginning and 92.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3476.71 ms. Allocated memory was 160.4 MB in the beginning and 205.5 MB in the end (delta: 45.1 MB). Free memory was 91.5 MB in the beginning and 168.8 MB in the end (delta: -77.3 MB). Peak memory consumption was 69.5 MB. Max. memory is 8.0 GB. * Witness Printer took 114.97 ms. Allocated memory is still 205.5 MB. Free memory was 168.8 MB in the beginning and 162.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: 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: 698]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0) && !(\result == 0)) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0) && !(\result == 0)) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || (((((waterLevel == 1 && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0) && !(\result == 0)) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 549 SDslu, 636 SDs, 0 SdLazy, 108 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, 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, 6 MinimizatonAttempts, 172 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 376 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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...