/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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:12:30,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:12:30,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:12:30,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:12:30,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:12:30,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:12:30,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:12:30,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:12:30,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:12:30,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:12:30,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:12:30,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:12:30,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:12:30,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:12:30,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:12:30,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:12:30,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:12:30,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:12:30,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:12:30,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:12:30,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:12:30,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:12:30,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:12:30,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:12:30,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:12:30,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:12:30,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:12:30,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:12:30,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:12:30,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:12:30,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:12:30,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:12:30,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:12:30,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:12:30,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:12:30,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:12:30,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:12:30,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:12:30,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:12:30,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:12:30,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:12:30,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:12:30,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:12:30,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:12:30,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:12:30,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:12:30,587 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:12:30,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:12:30,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:12:30,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:12:30,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:12:30,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:12:30,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:12:30,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:12:30,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:12:30,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:12:30,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:12:30,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:12:30,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:12:30,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:30,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:12:30,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:12:30,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:12:30,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:12:30,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:12:30,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:12:30,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:12:30,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:12:30,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:12:31,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:12:31,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:12:31,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:12:31,018 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:12:31,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2021-01-06 19:12:31,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/914001e27/986aadcfb0324096adf1ee7dbfc5e40c/FLAG9bc3b89a5 [2021-01-06 19:12:31,766 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:12:31,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c [2021-01-06 19:12:31,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/914001e27/986aadcfb0324096adf1ee7dbfc5e40c/FLAG9bc3b89a5 [2021-01-06 19:12:32,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/914001e27/986aadcfb0324096adf1ee7dbfc5e40c [2021-01-06 19:12:32,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:12:32,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:12:32,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:32,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:12:32,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:12:32,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5606674f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32, skipping insertion in model container [2021-01-06 19:12:32,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:12:32,177 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:12:32,461 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_product32.cil.c[14950,14963] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:32,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:32,499 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] [2021-01-06 19:12:32,632 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_product32.cil.c[14950,14963] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:32,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:32,720 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:12:32,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32 WrapperNode [2021-01-06 19:12:32,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:32,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:32,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:12:32,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:12:32,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:32,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:12:32,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:12:32,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:12:32,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... [2021-01-06 19:12:32,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:12:32,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:12:32,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:12:32,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:12:32,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:12:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:12:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:12:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:34,198 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:34,199 INFO L299 CfgBuilder]: Removed 168 assume(true) statements. [2021-01-06 19:12:34,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:34 BoogieIcfgContainer [2021-01-06 19:12:34,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:34,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:34,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:34,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:34,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:12:32" (1/3) ... [2021-01-06 19:12:34,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78758a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:34, skipping insertion in model container [2021-01-06 19:12:34,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:32" (2/3) ... [2021-01-06 19:12:34,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78758a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:34, skipping insertion in model container [2021-01-06 19:12:34,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:34" (3/3) ... [2021-01-06 19:12:34,216 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product32.cil.c [2021-01-06 19:12:34,223 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:34,229 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:34,251 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:34,284 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:34,284 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:34,284 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:34,285 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:34,285 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:34,285 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:34,285 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:34,285 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:34,302 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2021-01-06 19:12:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:34,309 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:34,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:34,310 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:34,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:34,316 INFO L82 PathProgramCache]: Analyzing trace with hash -194461515, now seen corresponding path program 1 times [2021-01-06 19:12:34,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:34,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341815069] [2021-01-06 19:12:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:34,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341815069] [2021-01-06 19:12:34,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:34,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:34,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257530828] [2021-01-06 19:12:34,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:34,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:34,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:34,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:34,613 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2021-01-06 19:12:34,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:34,649 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-01-06 19:12:34,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:34,651 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:34,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:34,664 INFO L225 Difference]: With dead ends: 220 [2021-01-06 19:12:34,664 INFO L226 Difference]: Without dead ends: 109 [2021-01-06 19:12:34,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:34,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-01-06 19:12:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-01-06 19:12:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-01-06 19:12:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2021-01-06 19:12:34,748 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2021-01-06 19:12:34,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:34,749 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2021-01-06 19:12:34,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2021-01-06 19:12:34,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:34,751 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:34,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:34,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:34,752 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:34,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:34,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1105492268, now seen corresponding path program 1 times [2021-01-06 19:12:34,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:34,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819352217] [2021-01-06 19:12:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:34,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819352217] [2021-01-06 19:12:34,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:34,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:34,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878200274] [2021-01-06 19:12:34,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:34,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:34,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:34,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:34,880 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand 3 states. [2021-01-06 19:12:34,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:34,904 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2021-01-06 19:12:34,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:34,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:34,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:34,909 INFO L225 Difference]: With dead ends: 109 [2021-01-06 19:12:34,909 INFO L226 Difference]: Without dead ends: 47 [2021-01-06 19:12:34,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:34,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-01-06 19:12:34,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-01-06 19:12:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-01-06 19:12:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-01-06 19:12:34,926 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-01-06 19:12:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:34,927 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-01-06 19:12:34,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-01-06 19:12:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:34,930 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:34,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:34,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:34,932 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:34,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:34,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1805721692, now seen corresponding path program 1 times [2021-01-06 19:12:34,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:34,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25045700] [2021-01-06 19:12:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:35,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25045700] [2021-01-06 19:12:35,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:35,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:35,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341771706] [2021-01-06 19:12:35,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:35,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:35,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:35,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:35,064 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-01-06 19:12:35,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:35,104 INFO L93 Difference]: Finished difference Result 129 states and 189 transitions. [2021-01-06 19:12:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:35,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:12:35,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:35,106 INFO L225 Difference]: With dead ends: 129 [2021-01-06 19:12:35,107 INFO L226 Difference]: Without dead ends: 88 [2021-01-06 19:12:35,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-01-06 19:12:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2021-01-06 19:12:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-01-06 19:12:35,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 123 transitions. [2021-01-06 19:12:35,125 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 123 transitions. Word has length 24 [2021-01-06 19:12:35,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:35,126 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 123 transitions. [2021-01-06 19:12:35,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:35,126 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2021-01-06 19:12:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:12:35,128 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:35,128 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] [2021-01-06 19:12:35,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:35,128 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:35,129 INFO L82 PathProgramCache]: Analyzing trace with hash -820987702, now seen corresponding path program 1 times [2021-01-06 19:12:35,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:35,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215164599] [2021-01-06 19:12:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:35,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215164599] [2021-01-06 19:12:35,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:35,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:35,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445598424] [2021-01-06 19:12:35,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:35,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:35,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:35,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:35,234 INFO L87 Difference]: Start difference. First operand 84 states and 123 transitions. Second operand 5 states. [2021-01-06 19:12:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:35,429 INFO L93 Difference]: Finished difference Result 488 states and 740 transitions. [2021-01-06 19:12:35,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:35,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-01-06 19:12:35,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:35,439 INFO L225 Difference]: With dead ends: 488 [2021-01-06 19:12:35,440 INFO L226 Difference]: Without dead ends: 410 [2021-01-06 19:12:35,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:35,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-01-06 19:12:35,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 156. [2021-01-06 19:12:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2021-01-06 19:12:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 227 transitions. [2021-01-06 19:12:35,498 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 227 transitions. Word has length 26 [2021-01-06 19:12:35,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:35,500 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 227 transitions. [2021-01-06 19:12:35,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:35,500 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 227 transitions. [2021-01-06 19:12:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:12:35,502 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:35,502 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] [2021-01-06 19:12:35,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:35,503 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:35,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:35,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1430024248, now seen corresponding path program 1 times [2021-01-06 19:12:35,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:35,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812006566] [2021-01-06 19:12:35,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:12:35,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:12:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:12:35,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:12:35,791 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 19:12:35,792 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 19:12:35,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:35,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:35 BoogieIcfgContainer [2021-01-06 19:12:35,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:35,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:35,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:35,891 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:35,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:34" (3/4) ... [2021-01-06 19:12:35,895 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 19:12:35,991 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product32.cil.c-witness.graphml [2021-01-06 19:12:35,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:35,994 INFO L168 Benchmark]: Toolchain (without parser) took 3913.10 ms. Allocated memory was 155.2 MB in the beginning and 207.6 MB in the end (delta: 52.4 MB). Free memory was 130.0 MB in the beginning and 90.6 MB in the end (delta: 39.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:35,999 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 155.2 MB. Free memory is still 127.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:36,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.69 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 108.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:36,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.98 ms. Allocated memory is still 155.2 MB. Free memory was 107.9 MB in the beginning and 104.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:36,001 INFO L168 Benchmark]: Boogie Preprocessor took 77.07 ms. Allocated memory is still 155.2 MB. Free memory was 104.1 MB in the beginning and 136.4 MB in the end (delta: -32.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:36,001 INFO L168 Benchmark]: RCFGBuilder took 1312.06 ms. Allocated memory is still 155.2 MB. Free memory was 136.4 MB in the beginning and 74.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:36,004 INFO L168 Benchmark]: TraceAbstraction took 1686.71 ms. Allocated memory was 155.2 MB in the beginning and 207.6 MB in the end (delta: 52.4 MB). Free memory was 73.5 MB in the beginning and 102.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:36,005 INFO L168 Benchmark]: Witness Printer took 100.39 ms. Allocated memory is still 207.6 MB. Free memory was 102.2 MB in the beginning and 90.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:36,011 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 155.2 MB. Free memory is still 127.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 637.69 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 108.0 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 87.98 ms. Allocated memory is still 155.2 MB. Free memory was 107.9 MB in the beginning and 104.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 77.07 ms. Allocated memory is still 155.2 MB. Free memory was 104.1 MB in the beginning and 136.4 MB in the end (delta: -32.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1312.06 ms. Allocated memory is still 155.2 MB. Free memory was 136.4 MB in the beginning and 74.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1686.71 ms. Allocated memory was 155.2 MB in the beginning and 207.6 MB in the end (delta: 52.4 MB). Free memory was 73.5 MB in the beginning and 102.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. * Witness Printer took 100.39 ms. Allocated memory is still 207.6 MB. Free memory was 102.2 MB in the beginning and 90.6 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: 714]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L491] int pumpRunning = 0; [L492] int systemActive = 1; [L719] int cleanupTimeShifts = 4; [L888] int waterLevel = 1; [L889] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L795] int retValue_acc ; [L796] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L879] int retValue_acc ; [L882] retValue_acc = 1 [L883] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L802] tmp = valid_product() [L804] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L415] int splverifierCounter ; [L416] int tmp ; [L417] int tmp___0 ; [L418] int tmp___1 ; [L419] int tmp___2 ; [L422] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L426] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] tmp = __VERIFIER_nondet_int() [L434] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] COND TRUE waterLevel < 2 [L907] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] tmp___0 = __VERIFIER_nondet_int() [L444] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] tmp___2 = __VERIFIER_nondet_int() [L454] COND TRUE \read(tmp___2) [L705] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L499] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] COND TRUE \read(systemActive) [L554] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L557] COND FALSE !(\read(pumpRunning)) [L528] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L531] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L820] int tmp ; [L821] int tmp___0 ; [L822] int tmp___1 ; [L927] int retValue_acc ; [L930] retValue_acc = methaneLevelCritical [L931] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L826] tmp = isMethaneLevelCritical() [L828] COND FALSE !(\read(tmp)) [L959] int retValue_acc ; [L962] retValue_acc = waterLevel [L963] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L832] tmp___0 = getWaterLevel() [L834] COND TRUE tmp___0 == 2 [L623] int retValue_acc ; [L626] retValue_acc = pumpRunning [L627] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L836] tmp___1 = isPumpRunning() [L838] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L714] 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, 113 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 402 SDtfs, 445 SDslu, 330 SDs, 0 SdLazy, 53 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=156occurred 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, 4 MinimizatonAttempts, 258 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s 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...