/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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:19:46,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:19:46,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:19:46,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:19:46,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:19:46,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:19:46,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:19:46,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:19:46,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:19:46,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:19:46,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:19:46,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:19:46,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:19:46,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:19:46,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:19:46,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:19:46,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:19:46,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:19:46,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:19:46,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:19:46,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:19:46,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:19:46,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:19:46,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:19:46,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:19:46,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:19:46,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:19:46,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:19:46,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:19:46,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:19:46,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:19:46,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:19:46,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:19:46,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:19:46,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:19:46,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:19:46,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:19:46,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:19:46,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:19:46,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:19:46,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:19:46,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:19:46,997 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:19:46,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:19:47,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:19:47,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:19:47,001 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:19:47,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:19:47,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:19:47,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:19:47,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:19:47,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:19:47,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:19:47,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:19:47,004 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:19:47,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:19:47,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:19:47,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:19:47,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:19:47,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:19:47,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:19:47,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:19:47,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:19:47,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:19:47,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:19:47,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:19:47,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:19:47,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:19:47,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:19:47,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:19:47,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:19:47,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:19:47,483 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:19:47,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2020-12-23 09:19:47,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/899dc26e5/c1dfc7af87f041648ad7869e65d60a98/FLAG86ec5880f [2020-12-23 09:19:48,288 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:19:48,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2020-12-23 09:19:48,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/899dc26e5/c1dfc7af87f041648ad7869e65d60a98/FLAG86ec5880f [2020-12-23 09:19:48,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/899dc26e5/c1dfc7af87f041648ad7869e65d60a98 [2020-12-23 09:19:48,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:19:48,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:19:48,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:48,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:19:48,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:19:48,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:48" (1/1) ... [2020-12-23 09:19:48,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cfab84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:48, skipping insertion in model container [2020-12-23 09:19:48,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:19:48" (1/1) ... [2020-12-23 09:19:48,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:19:48,663 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] [2020-12-23 09:19:48,854 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_product32.cil.c[2243,2256] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] [2020-12-23 09:19:49,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:49,086 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] [2020-12-23 09:19:49,128 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_product32.cil.c[2243,2256] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] [2020-12-23 09:19:49,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:19:49,304 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:19:49,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49 WrapperNode [2020-12-23 09:19:49,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:19:49,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:49,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:19:49,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:19:49,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:19:49,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:19:49,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:19:49,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:19:49,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... [2020-12-23 09:19:49,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:19:49,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:19:49,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:19:49,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:19:49,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:19:49,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:19:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:19:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:19:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:19:50,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:19:50,710 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-23 09:19:50,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:50 BoogieIcfgContainer [2020-12-23 09:19:50,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:19:50,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:19:50,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:19:50,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:19:50,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:19:48" (1/3) ... [2020-12-23 09:19:50,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5721b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:50, skipping insertion in model container [2020-12-23 09:19:50,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:19:49" (2/3) ... [2020-12-23 09:19:50,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5721b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:19:50, skipping insertion in model container [2020-12-23 09:19:50,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:50" (3/3) ... [2020-12-23 09:19:50,722 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-12-23 09:19:50,730 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:19:50,735 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:19:50,756 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:19:50,787 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:19:50,787 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:19:50,787 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:19:50,788 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:19:50,788 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:19:50,788 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:19:50,788 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:19:50,788 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:19:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-12-23 09:19:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:19:50,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:50,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:50,816 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:50,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:50,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2020-12-23 09:19:50,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:50,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202920801] [2020-12-23 09:19:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:51,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202920801] [2020-12-23 09:19:51,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:51,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:51,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181324183] [2020-12-23 09:19:51,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:19:51,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:51,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:19:51,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:19:51,230 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2020-12-23 09:19:51,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:51,266 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2020-12-23 09:19:51,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:19:51,267 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:19:51,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:51,280 INFO L225 Difference]: With dead ends: 208 [2020-12-23 09:19:51,280 INFO L226 Difference]: Without dead ends: 103 [2020-12-23 09:19:51,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:19:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-12-23 09:19:51,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-12-23 09:19:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-12-23 09:19:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-12-23 09:19:51,335 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-12-23 09:19:51,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:51,336 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-12-23 09:19:51,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:19:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-12-23 09:19:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:19:51,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:51,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:51,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:19:51,338 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:51,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:51,339 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2020-12-23 09:19:51,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:51,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947927688] [2020-12-23 09:19:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:51,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947927688] [2020-12-23 09:19:51,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:51,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:19:51,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336663261] [2020-12-23 09:19:51,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:51,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:51,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:51,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:51,480 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-12-23 09:19:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:51,494 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-12-23 09:19:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:51,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:19:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:51,496 INFO L225 Difference]: With dead ends: 103 [2020-12-23 09:19:51,496 INFO L226 Difference]: Without dead ends: 45 [2020-12-23 09:19:51,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:51,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-23 09:19:51,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-23 09:19:51,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 09:19:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-12-23 09:19:51,505 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-12-23 09:19:51,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:51,505 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-12-23 09:19:51,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-23 09:19:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:19:51,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:51,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:51,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:19:51,507 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:51,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:51,508 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2020-12-23 09:19:51,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:51,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459196630] [2020-12-23 09:19:51,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:51,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459196630] [2020-12-23 09:19:51,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:51,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:19:51,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846598919] [2020-12-23 09:19:51,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:51,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:51,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:51,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:51,702 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-12-23 09:19:51,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:51,765 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-12-23 09:19:51,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:51,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-23 09:19:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:51,768 INFO L225 Difference]: With dead ends: 123 [2020-12-23 09:19:51,768 INFO L226 Difference]: Without dead ends: 84 [2020-12-23 09:19:51,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:51,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-23 09:19:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-12-23 09:19:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-23 09:19:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-12-23 09:19:51,782 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-12-23 09:19:51,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:51,783 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-12-23 09:19:51,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-12-23 09:19:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:19:51,784 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:51,784 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] [2020-12-23 09:19:51,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:19:51,785 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:51,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:51,786 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2020-12-23 09:19:51,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:51,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847802158] [2020-12-23 09:19:51,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:51,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847802158] [2020-12-23 09:19:51,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:51,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:19:51,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178963131] [2020-12-23 09:19:51,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:19:51,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:51,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:19:51,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:19:51,929 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 7 states. [2020-12-23 09:19:52,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:52,529 INFO L93 Difference]: Finished difference Result 571 states and 870 transitions. [2020-12-23 09:19:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 09:19:52,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-12-23 09:19:52,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:52,545 INFO L225 Difference]: With dead ends: 571 [2020-12-23 09:19:52,545 INFO L226 Difference]: Without dead ends: 497 [2020-12-23 09:19:52,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-12-23 09:19:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-12-23 09:19:52,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 214. [2020-12-23 09:19:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-12-23 09:19:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 313 transitions. [2020-12-23 09:19:52,625 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 313 transitions. Word has length 24 [2020-12-23 09:19:52,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:52,625 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 313 transitions. [2020-12-23 09:19:52,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:19:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 313 transitions. [2020-12-23 09:19:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 09:19:52,634 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:52,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:52,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:19:52,634 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:52,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:52,635 INFO L82 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2020-12-23 09:19:52,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:52,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887535059] [2020-12-23 09:19:52,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:52,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887535059] [2020-12-23 09:19:52,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:19:52,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:19:52,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611963752] [2020-12-23 09:19:52,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:19:52,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:52,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:19:52,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:52,754 INFO L87 Difference]: Start difference. First operand 214 states and 313 transitions. Second operand 3 states. [2020-12-23 09:19:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:52,803 INFO L93 Difference]: Finished difference Result 332 states and 490 transitions. [2020-12-23 09:19:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:19:52,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-23 09:19:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:52,806 INFO L225 Difference]: With dead ends: 332 [2020-12-23 09:19:52,807 INFO L226 Difference]: Without dead ends: 124 [2020-12-23 09:19:52,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:19:52,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-12-23 09:19:52,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-12-23 09:19:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-23 09:19:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2020-12-23 09:19:52,837 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 25 [2020-12-23 09:19:52,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:52,838 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2020-12-23 09:19:52,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:19:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2020-12-23 09:19:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 09:19:52,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:19:52,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:19:52,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:19:52,847 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:19:52,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:19:52,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2020-12-23 09:19:52,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:19:52,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559581673] [2020-12-23 09:19:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:19:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:52,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559581673] [2020-12-23 09:19:52,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586447077] [2020-12-23 09:19:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:19:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:19:53,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:19:53,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:19:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:19:53,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:19:53,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-23 09:19:53,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87639568] [2020-12-23 09:19:53,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:19:53,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:19:53,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:19:53,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:19:53,457 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand 4 states. [2020-12-23 09:19:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:19:53,577 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2020-12-23 09:19:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:19:53,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-12-23 09:19:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:19:53,578 INFO L225 Difference]: With dead ends: 162 [2020-12-23 09:19:53,578 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:19:53,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:19:53,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:19:53,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:19:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:19:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:19:53,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-12-23 09:19:53,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:19:53,584 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:19:53,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:19:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:19:53,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:19:53,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 09:19:53,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:19:54,487 INFO L185 CegarLoopUtils]: At program point L960(lines 909 961) the Hoare annotation is: false [2020-12-23 09:19:54,488 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-12-23 09:19:54,494 INFO L185 CegarLoopUtils]: At program point L696(lines 696 702) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:19:54,495 INFO L185 CegarLoopUtils]: At program point L696-1(lines 696 702) the Hoare annotation is: false [2020-12-23 09:19:54,495 INFO L185 CegarLoopUtils]: At program point L696-2(lines 696 702) the Hoare annotation is: false [2020-12-23 09:19:54,495 INFO L185 CegarLoopUtils]: At program point L104(lines 99 107) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:54,495 INFO L189 CegarLoopUtils]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-12-23 09:19:54,496 INFO L185 CegarLoopUtils]: At program point L930-1(lines 930 936) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))) (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2))) [2020-12-23 09:19:54,497 INFO L189 CegarLoopUtils]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-12-23 09:19:54,497 INFO L192 CegarLoopUtils]: At program point L205-1(lines 205 212) the Hoare annotation is: true [2020-12-23 09:19:54,497 INFO L189 CegarLoopUtils]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,497 INFO L189 CegarLoopUtils]: For program point L866-2(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,497 INFO L189 CegarLoopUtils]: For program point L866-3(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,497 INFO L189 CegarLoopUtils]: For program point L866-5(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,498 INFO L189 CegarLoopUtils]: For program point L866-6(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,498 INFO L189 CegarLoopUtils]: For program point L866-8(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,498 INFO L189 CegarLoopUtils]: For program point L866-9(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,498 INFO L189 CegarLoopUtils]: For program point L866-11(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,498 INFO L189 CegarLoopUtils]: For program point L866-12(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,498 INFO L189 CegarLoopUtils]: For program point L866-14(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,499 INFO L189 CegarLoopUtils]: For program point L866-15(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,499 INFO L189 CegarLoopUtils]: For program point L866-17(lines 866 870) no Hoare annotation was computed. [2020-12-23 09:19:54,499 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-12-23 09:19:54,499 INFO L185 CegarLoopUtils]: At program point L307(lines 302 310) the Hoare annotation is: false [2020-12-23 09:19:54,499 INFO L185 CegarLoopUtils]: At program point L307-1(lines 302 310) the Hoare annotation is: false [2020-12-23 09:19:54,499 INFO L189 CegarLoopUtils]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-12-23 09:19:54,499 INFO L185 CegarLoopUtils]: At program point L307-2(lines 302 310) the Hoare annotation is: false [2020-12-23 09:19:54,500 INFO L185 CegarLoopUtils]: At program point L307-3(lines 302 310) the Hoare annotation is: false [2020-12-23 09:19:54,500 INFO L185 CegarLoopUtils]: At program point L307-4(lines 302 310) the Hoare annotation is: false [2020-12-23 09:19:54,500 INFO L185 CegarLoopUtils]: At program point L307-5(lines 302 310) the Hoare annotation is: false [2020-12-23 09:19:54,500 INFO L185 CegarLoopUtils]: At program point L872(lines 857 875) the Hoare annotation is: false [2020-12-23 09:19:54,500 INFO L185 CegarLoopUtils]: At program point L872-1(lines 857 875) the Hoare annotation is: false [2020-12-23 09:19:54,500 INFO L185 CegarLoopUtils]: At program point L872-2(lines 857 875) the Hoare annotation is: false [2020-12-23 09:19:54,501 INFO L185 CegarLoopUtils]: At program point L872-3(lines 857 875) the Hoare annotation is: false [2020-12-23 09:19:54,501 INFO L185 CegarLoopUtils]: At program point L872-4(lines 857 875) the Hoare annotation is: false [2020-12-23 09:19:54,501 INFO L185 CegarLoopUtils]: At program point L872-5(lines 857 875) the Hoare annotation is: false [2020-12-23 09:19:54,502 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 09:19:54,502 INFO L189 CegarLoopUtils]: For program point L113-1(line 113) no Hoare annotation was computed. [2020-12-23 09:19:54,502 INFO L189 CegarLoopUtils]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-12-23 09:19:54,502 INFO L189 CegarLoopUtils]: For program point L940(lines 940 955) no Hoare annotation was computed. [2020-12-23 09:19:54,502 INFO L185 CegarLoopUtils]: At program point L808(lines 801 811) the Hoare annotation is: false [2020-12-23 09:19:54,504 INFO L185 CegarLoopUtils]: At program point L808-1(lines 801 811) the Hoare annotation is: false [2020-12-23 09:19:54,504 INFO L185 CegarLoopUtils]: At program point L808-2(lines 801 811) the Hoare annotation is: false [2020-12-23 09:19:54,504 INFO L192 CegarLoopUtils]: At program point L214(lines 195 217) the Hoare annotation is: true [2020-12-23 09:19:54,506 INFO L185 CegarLoopUtils]: At program point L181(lines 177 183) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:54,506 INFO L189 CegarLoopUtils]: For program point L911(lines 910 959) no Hoare annotation was computed. [2020-12-23 09:19:54,506 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:19:54,506 INFO L189 CegarLoopUtils]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-12-23 09:19:54,507 INFO L185 CegarLoopUtils]: At program point L53-1(lines 1 967) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 .cse1 (<= 1 ~waterLevel~0) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2020-12-23 09:19:54,507 INFO L189 CegarLoopUtils]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-12-23 09:19:54,507 INFO L185 CegarLoopUtils]: At program point L53-3(lines 1 967) the Hoare annotation is: false [2020-12-23 09:19:54,507 INFO L189 CegarLoopUtils]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-12-23 09:19:54,507 INFO L189 CegarLoopUtils]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-12-23 09:19:54,508 INFO L185 CegarLoopUtils]: At program point L53-5(lines 1 967) the Hoare annotation is: false [2020-12-23 09:19:54,508 INFO L189 CegarLoopUtils]: For program point L747(lines 747 764) no Hoare annotation was computed. [2020-12-23 09:19:54,508 INFO L189 CegarLoopUtils]: For program point L747-1(lines 747 764) no Hoare annotation was computed. [2020-12-23 09:19:54,508 INFO L189 CegarLoopUtils]: For program point L747-2(lines 747 764) no Hoare annotation was computed. [2020-12-23 09:19:54,508 INFO L189 CegarLoopUtils]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-12-23 09:19:54,508 INFO L185 CegarLoopUtils]: At program point L880-1(lines 880 886) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (or (and (= ~waterLevel~0 ~systemActive~0) .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0)))) .cse0 (<= 1 ~waterLevel~0)))) [2020-12-23 09:19:54,508 INFO L189 CegarLoopUtils]: For program point L253(lines 253 257) no Hoare annotation was computed. [2020-12-23 09:19:54,508 INFO L189 CegarLoopUtils]: For program point L948(lines 948 954) no Hoare annotation was computed. [2020-12-23 09:19:54,509 INFO L185 CegarLoopUtils]: At program point L948-1(lines 689 695) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:19:54,509 INFO L189 CegarLoopUtils]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-12-23 09:19:54,509 INFO L189 CegarLoopUtils]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-12-23 09:19:54,509 INFO L189 CegarLoopUtils]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-12-23 09:19:54,509 INFO L185 CegarLoopUtils]: At program point L817(lines 812 820) the Hoare annotation is: false [2020-12-23 09:19:54,511 INFO L185 CegarLoopUtils]: At program point L817-1(lines 812 820) the Hoare annotation is: false [2020-12-23 09:19:54,511 INFO L189 CegarLoopUtils]: For program point L751(lines 751 759) no Hoare annotation was computed. [2020-12-23 09:19:54,511 INFO L185 CegarLoopUtils]: At program point L817-2(lines 812 820) the Hoare annotation is: false [2020-12-23 09:19:54,512 INFO L189 CegarLoopUtils]: For program point L751-1(lines 751 759) no Hoare annotation was computed. [2020-12-23 09:19:54,512 INFO L189 CegarLoopUtils]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2020-12-23 09:19:54,512 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:19:54,513 INFO L189 CegarLoopUtils]: For program point L721(lines 721 738) no Hoare annotation was computed. [2020-12-23 09:19:54,513 INFO L189 CegarLoopUtils]: For program point L721-1(lines 721 738) no Hoare annotation was computed. [2020-12-23 09:19:54,513 INFO L189 CegarLoopUtils]: For program point L721-2(lines 721 738) no Hoare annotation was computed. [2020-12-23 09:19:54,513 INFO L189 CegarLoopUtils]: For program point L721-3(lines 721 738) no Hoare annotation was computed. [2020-12-23 09:19:54,514 INFO L189 CegarLoopUtils]: For program point L721-4(lines 721 738) no Hoare annotation was computed. [2020-12-23 09:19:54,514 INFO L189 CegarLoopUtils]: For program point L721-5(lines 721 738) no Hoare annotation was computed. [2020-12-23 09:19:54,515 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:19:54,515 INFO L189 CegarLoopUtils]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-12-23 09:19:54,515 INFO L185 CegarLoopUtils]: At program point L920-1(lines 920 926) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))) (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2))) [2020-12-23 09:19:54,515 INFO L185 CegarLoopUtils]: At program point L689(lines 688 707) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:19:54,515 INFO L189 CegarLoopUtils]: For program point L689-1(lines 689 695) no Hoare annotation was computed. [2020-12-23 09:19:54,515 INFO L185 CegarLoopUtils]: At program point L689-2(lines 688 707) the Hoare annotation is: false [2020-12-23 09:19:54,516 INFO L185 CegarLoopUtils]: At program point L689-3(lines 688 707) the Hoare annotation is: false [2020-12-23 09:19:54,516 INFO L185 CegarLoopUtils]: At program point L96(lines 1 967) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:19:54,516 INFO L189 CegarLoopUtils]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-12-23 09:19:54,516 INFO L189 CegarLoopUtils]: For program point L229-3(lines 229 233) no Hoare annotation was computed. [2020-12-23 09:19:54,516 INFO L185 CegarLoopUtils]: At program point L130-2(lines 130 144) the Hoare annotation is: false [2020-12-23 09:19:54,516 INFO L189 CegarLoopUtils]: For program point L229-6(lines 229 233) no Hoare annotation was computed. [2020-12-23 09:19:54,516 INFO L189 CegarLoopUtils]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-12-23 09:19:54,516 INFO L189 CegarLoopUtils]: For program point L725-1(lines 725 733) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L189 CegarLoopUtils]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L189 CegarLoopUtils]: For program point L725-3(lines 725 733) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L189 CegarLoopUtils]: For program point L725-4(lines 725 733) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L189 CegarLoopUtils]: For program point L725-5(lines 725 733) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-12-23 09:19:54,517 INFO L185 CegarLoopUtils]: At program point L298(lines 293 301) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-23 09:19:54,518 INFO L185 CegarLoopUtils]: At program point L298-1(lines 293 301) the Hoare annotation is: false [2020-12-23 09:19:54,519 INFO L185 CegarLoopUtils]: At program point L298-2(lines 293 301) the Hoare annotation is: false [2020-12-23 09:19:54,519 INFO L185 CegarLoopUtils]: At program point L266(lines 261 269) the Hoare annotation is: false [2020-12-23 09:19:54,520 INFO L185 CegarLoopUtils]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2020-12-23 09:19:54,521 INFO L185 CegarLoopUtils]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2020-12-23 09:19:54,521 INFO L189 CegarLoopUtils]: For program point L134(lines 134 138) no Hoare annotation was computed. [2020-12-23 09:19:54,521 INFO L189 CegarLoopUtils]: For program point L134-1(lines 689 695) no Hoare annotation was computed. [2020-12-23 09:19:54,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:19:54 BoogieIcfgContainer [2020-12-23 09:19:54,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:19:54,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:19:54,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:19:54,569 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:19:54,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:19:50" (3/4) ... [2020-12-23 09:19:54,574 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:19:54,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:19:54,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:19:54,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:19:54,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:19:54,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:19:54,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:54,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:19:54,650 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) [2020-12-23 09:19:54,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:19:54,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-23 09:19:54,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == systemActive && splverifierCounter == 0) || ((!(\result == 0) && splverifierCounter == 0) && !(tmp == 0))) && pumpRunning == 0) && 1 <= waterLevel) [2020-12-23 09:19:54,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-23 09:19:54,777 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product32.cil.c-witness.graphml [2020-12-23 09:19:54,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:19:54,779 INFO L168 Benchmark]: Toolchain (without parser) took 6176.24 ms. Allocated memory was 152.0 MB in the beginning and 205.5 MB in the end (delta: 53.5 MB). Free memory was 126.7 MB in the beginning and 120.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 60.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:54,780 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:19:54,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.85 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 104.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:54,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.27 ms. Allocated memory is still 152.0 MB. Free memory was 104.6 MB in the beginning and 133.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:54,781 INFO L168 Benchmark]: Boogie Preprocessor took 61.14 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 131.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:54,781 INFO L168 Benchmark]: RCFGBuilder took 1234.89 ms. Allocated memory is still 152.0 MB. Free memory was 131.2 MB in the beginning and 70.9 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:54,782 INFO L168 Benchmark]: TraceAbstraction took 3853.90 ms. Allocated memory was 152.0 MB in the beginning and 205.5 MB in the end (delta: 53.5 MB). Free memory was 70.4 MB in the beginning and 129.6 MB in the end (delta: -59.2 MB). Peak memory consumption was 45.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:54,782 INFO L168 Benchmark]: Witness Printer took 208.58 ms. Allocated memory is still 205.5 MB. Free memory was 129.6 MB in the beginning and 120.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:19:54,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 701.85 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 104.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 105.27 ms. Allocated memory is still 152.0 MB. Free memory was 104.6 MB in the beginning and 133.8 MB in the end (delta: -29.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 61.14 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 131.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1234.89 ms. Allocated memory is still 152.0 MB. Free memory was 131.2 MB in the beginning and 70.9 MB in the end (delta: 60.3 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3853.90 ms. Allocated memory was 152.0 MB in the beginning and 205.5 MB in the end (delta: 53.5 MB). Free memory was 70.4 MB in the beginning and 129.6 MB in the end (delta: -59.2 MB). Peak memory consumption was 45.7 MB. Max. memory is 8.0 GB. * Witness Printer took 208.58 ms. Allocated memory is still 205.5 MB. Free memory was 129.6 MB in the beginning and 120.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: 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: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == systemActive && splverifierCounter == 0) || ((!(\result == 0) && splverifierCounter == 0) && !(tmp == 0))) && pumpRunning == 0) && 1 <= waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 462 SDtfs, 653 SDslu, 632 SDs, 0 SdLazy, 118 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred 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, 287 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 76 NumberOfFragments, 261 HoareAnnotationTreeSize, 44 FomulaSimplifications, 826 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 11242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...