/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:18:39,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:18:39,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:18:39,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:18:39,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:18:39,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:18:39,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:18:39,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:18:39,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:18:39,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:18:39,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:18:39,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:18:39,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:18:39,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:18:39,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:18:39,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:18:39,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:18:39,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:18:39,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:18:39,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:18:39,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:18:39,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:18:40,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:18:40,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:18:40,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:18:40,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:18:40,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:18:40,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:18:40,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:18:40,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:18:40,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:18:40,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:18:40,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:18:40,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:18:40,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:18:40,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:18:40,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:18:40,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:18:40,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:18:40,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:18:40,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:18:40,052 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 09:18:40,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:18:40,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:18:40,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:18:40,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:18:40,104 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:18:40,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:18:40,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:18:40,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:18:40,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:18:40,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:18:40,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:18:40,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:18:40,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:18:40,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:18:40,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:18:40,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:18:40,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:18:40,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:18:40,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:18:40,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:18:40,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:18:40,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:18:40,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:18:40,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:18:40,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:18:40,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:18:40,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:18:40,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:18:40,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:18:40,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:18:40,590 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:18:40,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2020-12-23 09:18:40,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ee5f0d7b4/13a0c0a69b254dd5ab06d091c333dadc/FLAG213642ab3 [2020-12-23 09:18:41,524 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:18:41,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2020-12-23 09:18:41,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ee5f0d7b4/13a0c0a69b254dd5ab06d091c333dadc/FLAG213642ab3 [2020-12-23 09:18:41,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ee5f0d7b4/13a0c0a69b254dd5ab06d091c333dadc [2020-12-23 09:18:41,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:18:41,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:18:41,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:18:41,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:18:41,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:18:41,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:18:41" (1/1) ... [2020-12-23 09:18:41,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e940b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:41, skipping insertion in model container [2020-12-23 09:18:41,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:18:41" (1/1) ... [2020-12-23 09:18:41,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:18:41,864 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] [2020-12-23 09:18:42,087 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c[2660,2673] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] [2020-12-23 09:18:42,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:18:42,308 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] [2020-12-23 09:18:42,338 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c[2660,2673] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] [2020-12-23 09:18:42,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:18:42,499 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:18:42,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42 WrapperNode [2020-12-23 09:18:42,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:18:42,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:18:42,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:18:42,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:18:42,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:18:42,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:18:42,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:18:42,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:18:42,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (1/1) ... [2020-12-23 09:18:42,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:18:42,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:18:42,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:18:42,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:18:42,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (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 09:18:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:18:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:18:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:18:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:18:43,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:18:43,884 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2020-12-23 09:18:43,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:18:43 BoogieIcfgContainer [2020-12-23 09:18:43,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:18:43,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:18:43,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:18:43,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:18:43,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:18:41" (1/3) ... [2020-12-23 09:18:43,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:18:43, skipping insertion in model container [2020-12-23 09:18:43,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:18:42" (2/3) ... [2020-12-23 09:18:43,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:18:43, skipping insertion in model container [2020-12-23 09:18:43,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:18:43" (3/3) ... [2020-12-23 09:18:43,896 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product22.cil.c [2020-12-23 09:18:43,904 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:18:43,909 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:18:43,930 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:18:43,960 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:18:43,960 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:18:43,960 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:18:43,960 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:18:43,961 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:18:43,961 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:18:43,961 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:18:43,961 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:18:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-12-23 09:18:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 09:18:43,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:43,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:43,989 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:43,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:43,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1953692801, now seen corresponding path program 1 times [2020-12-23 09:18:44,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:44,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566031092] [2020-12-23 09:18:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:44,362 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 09:18:44,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566031092] [2020-12-23 09:18:44,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:44,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:18:44,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430116235] [2020-12-23 09:18:44,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:18:44,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:44,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:18:44,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:18:44,401 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-12-23 09:18:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:44,465 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2020-12-23 09:18:44,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:18:44,467 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-23 09:18:44,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:44,493 INFO L225 Difference]: With dead ends: 216 [2020-12-23 09:18:44,494 INFO L226 Difference]: Without dead ends: 107 [2020-12-23 09:18:44,498 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 09:18:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-23 09:18:44,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-23 09:18:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-23 09:18:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2020-12-23 09:18:44,549 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2020-12-23 09:18:44,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:44,550 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2020-12-23 09:18:44,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:18:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2020-12-23 09:18:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:18:44,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:44,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:44,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:18:44,553 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:44,554 INFO L82 PathProgramCache]: Analyzing trace with hash 573769835, now seen corresponding path program 1 times [2020-12-23 09:18:44,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:44,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277890372] [2020-12-23 09:18:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:44,695 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 09:18:44,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277890372] [2020-12-23 09:18:44,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:44,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:18:44,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533859442] [2020-12-23 09:18:44,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:18:44,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:44,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:18:44,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:44,700 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 3 states. [2020-12-23 09:18:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:44,733 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2020-12-23 09:18:44,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:18:44,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 09:18:44,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:44,737 INFO L225 Difference]: With dead ends: 107 [2020-12-23 09:18:44,738 INFO L226 Difference]: Without dead ends: 45 [2020-12-23 09:18:44,740 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 09:18:44,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-23 09:18:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-23 09:18:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 09:18:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-12-23 09:18:44,755 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-12-23 09:18:44,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:44,755 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-12-23 09:18:44,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:18:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-23 09:18:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:18:44,758 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:44,758 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 09:18:44,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:18:44,758 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:44,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:44,762 INFO L82 PathProgramCache]: Analyzing trace with hash 197323452, now seen corresponding path program 1 times [2020-12-23 09:18:44,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:44,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934512676] [2020-12-23 09:18:44,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:44,866 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 09:18:44,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934512676] [2020-12-23 09:18:44,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:44,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:18:44,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113661442] [2020-12-23 09:18:44,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:18:44,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:44,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:18:44,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:18:44,870 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-12-23 09:18:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:44,910 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2020-12-23 09:18:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:18:44,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 09:18:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:44,912 INFO L225 Difference]: With dead ends: 84 [2020-12-23 09:18:44,912 INFO L226 Difference]: Without dead ends: 45 [2020-12-23 09:18:44,914 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 09:18:44,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-23 09:18:44,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-23 09:18:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 09:18:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-12-23 09:18:44,926 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-12-23 09:18:44,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:44,928 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-12-23 09:18:44,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:18:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-12-23 09:18:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:18:44,933 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:44,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:44,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:18:44,934 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:44,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:44,935 INFO L82 PathProgramCache]: Analyzing trace with hash -303470070, now seen corresponding path program 1 times [2020-12-23 09:18:44,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:44,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19299523] [2020-12-23 09:18:44,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:18:45,069 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 09:18:45,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19299523] [2020-12-23 09:18:45,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:18:45,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:18:45,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919151219] [2020-12-23 09:18:45,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:18:45,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:18:45,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:18:45,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:18:45,072 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-12-23 09:18:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:18:45,257 INFO L93 Difference]: Finished difference Result 242 states and 360 transitions. [2020-12-23 09:18:45,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:18:45,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-23 09:18:45,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:18:45,261 INFO L225 Difference]: With dead ends: 242 [2020-12-23 09:18:45,261 INFO L226 Difference]: Without dead ends: 203 [2020-12-23 09:18:45,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:18:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-12-23 09:18:45,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 80. [2020-12-23 09:18:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-23 09:18:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2020-12-23 09:18:45,279 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 26 [2020-12-23 09:18:45,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:18:45,280 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2020-12-23 09:18:45,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:18:45,280 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2020-12-23 09:18:45,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 09:18:45,281 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:18:45,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:18:45,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:18:45,282 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:18:45,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:18:45,283 INFO L82 PathProgramCache]: Analyzing trace with hash -912506616, now seen corresponding path program 1 times [2020-12-23 09:18:45,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:18:45,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326288698] [2020-12-23 09:18:45,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:18:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:18:45,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:18:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:18:45,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:18:45,685 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 09:18:45,685 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 09:18:45,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:18:45,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:18:45 BoogieIcfgContainer [2020-12-23 09:18:45,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:18:45,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:18:45,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:18:45,829 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:18:45,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:18:43" (3/4) ... [2020-12-23 09:18:45,832 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 09:18:45,970 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product22.cil.c-witness.graphml [2020-12-23 09:18:45,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:18:45,973 INFO L168 Benchmark]: Toolchain (without parser) took 4200.55 ms. Allocated memory was 163.6 MB in the beginning and 206.6 MB in the end (delta: 43.0 MB). Free memory was 137.3 MB in the beginning and 108.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 72.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:18:45,973 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 163.6 MB. Free memory was 137.1 MB in the beginning and 136.8 MB in the end (delta: 219.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:18:45,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.16 ms. Allocated memory is still 163.6 MB. Free memory was 137.0 MB in the beginning and 115.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:18:45,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.16 ms. Allocated memory is still 163.6 MB. Free memory was 115.9 MB in the beginning and 112.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:18:45,975 INFO L168 Benchmark]: Boogie Preprocessor took 95.13 ms. Allocated memory is still 163.6 MB. Free memory was 112.2 MB in the beginning and 109.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:18:45,975 INFO L168 Benchmark]: RCFGBuilder took 1145.02 ms. Allocated memory is still 163.6 MB. Free memory was 109.6 MB in the beginning and 91.5 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:18:45,976 INFO L168 Benchmark]: TraceAbstraction took 1940.06 ms. Allocated memory was 163.6 MB in the beginning and 206.6 MB in the end (delta: 43.0 MB). Free memory was 90.9 MB in the beginning and 119.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:18:45,977 INFO L168 Benchmark]: Witness Printer took 141.70 ms. Allocated memory is still 206.6 MB. Free memory was 119.8 MB in the beginning and 108.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:18:45,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 163.6 MB. Free memory was 137.1 MB in the beginning and 136.8 MB in the end (delta: 219.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 720.16 ms. Allocated memory is still 163.6 MB. Free memory was 137.0 MB in the beginning and 115.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 140.16 ms. Allocated memory is still 163.6 MB. Free memory was 115.9 MB in the beginning and 112.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 95.13 ms. Allocated memory is still 163.6 MB. Free memory was 112.2 MB in the beginning and 109.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1145.02 ms. Allocated memory is still 163.6 MB. Free memory was 109.6 MB in the beginning and 91.5 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1940.06 ms. Allocated memory was 163.6 MB in the beginning and 206.6 MB in the end (delta: 43.0 MB). Free memory was 90.9 MB in the beginning and 119.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Witness Printer took 141.70 ms. Allocated memory is still 206.6 MB. Free memory was 119.8 MB in the beginning and 108.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 142]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L147] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L711] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L226] int retValue_acc ; [L227] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L275] int retValue_acc ; [L278] retValue_acc = 1 [L279] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] tmp = valid_product() [L235] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] int splverifierCounter ; [L477] int tmp ; [L478] int tmp___0 ; [L479] int tmp___1 ; [L480] int tmp___2 ; [L483] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L485] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L487] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L493] tmp = __VERIFIER_nondet_int() [L495] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L503] tmp___0 = __VERIFIER_nondet_int() [L505] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L513] tmp___2 = __VERIFIER_nondet_int() [L515] COND TRUE \read(tmp___2) [L470] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L296] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L303] COND TRUE \read(systemActive) [L351] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L354] COND FALSE !(\read(pumpRunning)) [L325] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L328] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] tmp = isMethaneLevelCritical() [L917] COND FALSE !(\read(tmp)) [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] tmp___0 = getWaterLevel() [L923] COND TRUE tmp___0 == 2 [L403] int retValue_acc ; [L406] retValue_acc = pumpRunning [L407] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L925] tmp___1 = isPumpRunning() [L927] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L142] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 412 SDslu, 253 SDs, 0 SdLazy, 50 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...