/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:13:20,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:13:20,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:13:20,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:13:20,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:13:20,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:13:20,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:13:20,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:13:20,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:13:20,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:13:20,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:13:20,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:13:20,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:13:20,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:13:20,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:13:20,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:13:20,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:13:20,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:13:20,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:13:20,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:13:20,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:13:20,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:13:20,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:13:20,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:13:20,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:13:20,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:13:20,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:13:20,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:13:20,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:13:20,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:13:20,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:13:20,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:13:20,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:13:20,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:13:20,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:13:20,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:13:20,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:13:20,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:13:20,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:13:20,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:13:20,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:13:20,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:13:20,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:13:20,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:13:20,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:13:20,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:13:20,730 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:13:20,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:13:20,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:13:20,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:13:20,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:13:20,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:13:20,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:13:20,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:13:20,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:13:20,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:13:20,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:13:20,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:13:20,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:13:20,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:20,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:13:20,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:13:20,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:13:20,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:13:20,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:13:20,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:13:20,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:13:20,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:13:21,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:13:21,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:13:21,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:13:21,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:13:21,213 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:13:21,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-01-06 19:13:21,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/29de3be1b/f12efc17e3d34ef69350a2d91d2caf10/FLAG07f982d8b [2021-01-06 19:13:21,974 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:13:21,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-01-06 19:13:21,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/29de3be1b/f12efc17e3d34ef69350a2d91d2caf10/FLAG07f982d8b [2021-01-06 19:13:22,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/29de3be1b/f12efc17e3d34ef69350a2d91d2caf10 [2021-01-06 19:13:22,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:13:22,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:13:22,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:22,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:13:22,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:13:22,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:22,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2d385a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22, skipping insertion in model container [2021-01-06 19:13:22,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:22,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:13:22,384 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] [2021-01-06 19:13:22,678 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[2999,3012] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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[~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,] [2021-01-06 19:13:22,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:22,824 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] [2021-01-06 19:13:22,851 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[2999,3012] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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[~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,] [2021-01-06 19:13:22,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:22,986 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:13:22,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22 WrapperNode [2021-01-06 19:13:22,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:22,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:22,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:13:22,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:13:22,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:23,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:13:23,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:13:23,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:13:23,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... [2021-01-06 19:13:23,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:13:23,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:13:23,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:13:23,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:13:23,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:13:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:13:24,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:13:24,335 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-01-06 19:13:24,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:24 BoogieIcfgContainer [2021-01-06 19:13:24,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:13:24,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:13:24,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:13:24,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:13:24,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:13:22" (1/3) ... [2021-01-06 19:13:24,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f865e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:24, skipping insertion in model container [2021-01-06 19:13:24,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:22" (2/3) ... [2021-01-06 19:13:24,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f865e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:24, skipping insertion in model container [2021-01-06 19:13:24,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:24" (3/3) ... [2021-01-06 19:13:24,347 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2021-01-06 19:13:24,355 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:13:24,362 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:13:24,384 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:13:24,415 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:13:24,415 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:13:24,415 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:13:24,415 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:13:24,416 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:13:24,416 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:13:24,416 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:13:24,416 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:13:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-01-06 19:13:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:13:24,442 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:24,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:24,444 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:24,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:24,451 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-01-06 19:13:24,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:24,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844261406] [2021-01-06 19:13:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:24,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844261406] [2021-01-06 19:13:24,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:24,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:24,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925362139] [2021-01-06 19:13:24,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:13:24,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:24,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:13:24,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:24,867 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-01-06 19:13:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:24,897 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-01-06 19:13:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:13:24,899 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:13:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:24,910 INFO L225 Difference]: With dead ends: 144 [2021-01-06 19:13:24,910 INFO L226 Difference]: Without dead ends: 71 [2021-01-06 19:13:24,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:24,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-01-06 19:13:24,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-01-06 19:13:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-01-06 19:13:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-01-06 19:13:24,961 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-01-06 19:13:24,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:24,962 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-01-06 19:13:24,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:13:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-01-06 19:13:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:13:24,964 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:24,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:24,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:13:24,965 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:24,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:24,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-01-06 19:13:24,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:24,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870998981] [2021-01-06 19:13:24,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:25,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870998981] [2021-01-06 19:13:25,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:25,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:25,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719178624] [2021-01-06 19:13:25,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:25,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:25,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:25,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:25,158 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-01-06 19:13:25,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:25,186 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-01-06 19:13:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:25,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:13:25,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:25,188 INFO L225 Difference]: With dead ends: 71 [2021-01-06 19:13:25,188 INFO L226 Difference]: Without dead ends: 33 [2021-01-06 19:13:25,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-01-06 19:13:25,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-01-06 19:13:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-01-06 19:13:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-01-06 19:13:25,199 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-01-06 19:13:25,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:25,200 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-01-06 19:13:25,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-01-06 19:13:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:13:25,201 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:25,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:25,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:13:25,202 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:25,203 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-01-06 19:13:25,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:25,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174039319] [2021-01-06 19:13:25,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:25,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174039319] [2021-01-06 19:13:25,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:25,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:25,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740833466] [2021-01-06 19:13:25,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:13:25,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:25,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:13:25,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:13:25,349 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2021-01-06 19:13:25,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:25,578 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-01-06 19:13:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:13:25,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-01-06 19:13:25,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:25,579 INFO L225 Difference]: With dead ends: 60 [2021-01-06 19:13:25,580 INFO L226 Difference]: Without dead ends: 33 [2021-01-06 19:13:25,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:25,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-01-06 19:13:25,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-01-06 19:13:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-01-06 19:13:25,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-01-06 19:13:25,587 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-01-06 19:13:25,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:25,587 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-01-06 19:13:25,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:13:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-01-06 19:13:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 19:13:25,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:25,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:25,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:13:25,589 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:25,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:25,590 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-01-06 19:13:25,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:25,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545270971] [2021-01-06 19:13:25,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:25,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545270971] [2021-01-06 19:13:25,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:25,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:13:25,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395784097] [2021-01-06 19:13:25,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 19:13:25,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:25,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 19:13:25,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:25,733 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2021-01-06 19:13:26,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:26,106 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2021-01-06 19:13:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 19:13:26,107 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2021-01-06 19:13:26,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:26,109 INFO L225 Difference]: With dead ends: 196 [2021-01-06 19:13:26,109 INFO L226 Difference]: Without dead ends: 169 [2021-01-06 19:13:26,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-01-06 19:13:26,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-01-06 19:13:26,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2021-01-06 19:13:26,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-01-06 19:13:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-01-06 19:13:26,126 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2021-01-06 19:13:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:26,127 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-01-06 19:13:26,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 19:13:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-01-06 19:13:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:13:26,128 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:26,128 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] [2021-01-06 19:13:26,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:13:26,129 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:26,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:26,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2021-01-06 19:13:26,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:26,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349349134] [2021-01-06 19:13:26,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:26,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349349134] [2021-01-06 19:13:26,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:26,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:26,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849208968] [2021-01-06 19:13:26,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:26,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:26,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:26,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:26,188 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2021-01-06 19:13:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:26,200 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2021-01-06 19:13:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:26,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:13:26,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:26,202 INFO L225 Difference]: With dead ends: 132 [2021-01-06 19:13:26,202 INFO L226 Difference]: Without dead ends: 60 [2021-01-06 19:13:26,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:26,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-01-06 19:13:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-01-06 19:13:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-01-06 19:13:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-01-06 19:13:26,212 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2021-01-06 19:13:26,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:26,212 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-01-06 19:13:26,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-01-06 19:13:26,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-06 19:13:26,214 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:26,214 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:26,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:13:26,215 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:26,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:26,215 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2021-01-06 19:13:26,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:26,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221448444] [2021-01-06 19:13:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:26,283 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:26,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221448444] [2021-01-06 19:13:26,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509752971] [2021-01-06 19:13:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:13:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:26,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:13:26,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:13:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:13:26,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:13:26,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-01-06 19:13:26,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421428465] [2021-01-06 19:13:26,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:26,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:26,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:26,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:26,611 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2021-01-06 19:13:26,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:26,685 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2021-01-06 19:13:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:13:26,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2021-01-06 19:13:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:26,686 INFO L225 Difference]: With dead ends: 77 [2021-01-06 19:13:26,687 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:13:26,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:13:26,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:13:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:13:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:13:26,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-01-06 19:13:26,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:26,689 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:13:26,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:13:26,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:13:26,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 19:13:26,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:13:27,511 INFO L189 CegarLoopUtils]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-01-06 19:13:27,511 INFO L185 CegarLoopUtils]: At program point L382(lines 377 385) the Hoare annotation is: false [2021-01-06 19:13:27,512 INFO L189 CegarLoopUtils]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-01-06 19:13:27,512 INFO L185 CegarLoopUtils]: At program point L382-1(lines 377 385) the Hoare annotation is: false [2021-01-06 19:13:27,512 INFO L185 CegarLoopUtils]: At program point L382-2(lines 377 385) the Hoare annotation is: false [2021-01-06 19:13:27,512 INFO L189 CegarLoopUtils]: For program point L448-6(lines 448 452) no Hoare annotation was computed. [2021-01-06 19:13:27,512 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-01-06 19:13:27,513 INFO L189 CegarLoopUtils]: For program point L333(lines 333 341) no Hoare annotation was computed. [2021-01-06 19:13:27,513 INFO L189 CegarLoopUtils]: For program point L333-1(lines 333 341) no Hoare annotation was computed. [2021-01-06 19:13:27,513 INFO L189 CegarLoopUtils]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2021-01-06 19:13:27,513 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:13:27,513 INFO L189 CegarLoopUtils]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-01-06 19:13:27,513 INFO L185 CegarLoopUtils]: At program point L53-1(lines 1 895) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2021-01-06 19:13:27,514 INFO L189 CegarLoopUtils]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-01-06 19:13:27,514 INFO L185 CegarLoopUtils]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2021-01-06 19:13:27,514 INFO L189 CegarLoopUtils]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-01-06 19:13:27,514 INFO L185 CegarLoopUtils]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2021-01-06 19:13:27,514 INFO L189 CegarLoopUtils]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-01-06 19:13:27,514 INFO L189 CegarLoopUtils]: For program point L87-1(lines 297 303) no Hoare annotation was computed. [2021-01-06 19:13:27,514 INFO L192 CegarLoopUtils]: At program point L170(lines 151 173) the Hoare annotation is: true [2021-01-06 19:13:27,515 INFO L185 CegarLoopUtils]: At program point L517(lines 512 520) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-01-06 19:13:27,515 INFO L185 CegarLoopUtils]: At program point L517-1(lines 512 520) the Hoare annotation is: false [2021-01-06 19:13:27,515 INFO L185 CegarLoopUtils]: At program point L517-2(lines 512 520) the Hoare annotation is: false [2021-01-06 19:13:27,515 INFO L185 CegarLoopUtils]: At program point L304(lines 304 310) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-01-06 19:13:27,516 INFO L185 CegarLoopUtils]: At program point L304-1(lines 304 310) the Hoare annotation is: false [2021-01-06 19:13:27,516 INFO L185 CegarLoopUtils]: At program point L304-2(lines 304 310) the Hoare annotation is: false [2021-01-06 19:13:27,516 INFO L189 CegarLoopUtils]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-01-06 19:13:27,516 INFO L189 CegarLoopUtils]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-01-06 19:13:27,516 INFO L185 CegarLoopUtils]: At program point L437(lines 422 440) the Hoare annotation is: false [2021-01-06 19:13:27,516 INFO L189 CegarLoopUtils]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-01-06 19:13:27,517 INFO L185 CegarLoopUtils]: At program point L437-1(lines 422 440) the Hoare annotation is: false [2021-01-06 19:13:27,517 INFO L185 CegarLoopUtils]: At program point L437-2(lines 422 440) the Hoare annotation is: false [2021-01-06 19:13:27,517 INFO L189 CegarLoopUtils]: For program point L239(lines 239 245) no Hoare annotation was computed. [2021-01-06 19:13:27,517 INFO L185 CegarLoopUtils]: At program point L206(lines 1 895) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:27,517 INFO L185 CegarLoopUtils]: At program point L239-1(lines 239 245) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-01-06 19:13:27,518 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:13:27,518 INFO L189 CegarLoopUtils]: For program point L472(lines 472 476) no Hoare annotation was computed. [2021-01-06 19:13:27,518 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-01-06 19:13:27,518 INFO L185 CegarLoopUtils]: At program point L275(lines 228 276) the Hoare annotation is: false [2021-01-06 19:13:27,518 INFO L189 CegarLoopUtils]: For program point L259(lines 259 270) no Hoare annotation was computed. [2021-01-06 19:13:27,518 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:13:27,519 INFO L189 CegarLoopUtils]: For program point L161(lines 161 168) no Hoare annotation was computed. [2021-01-06 19:13:27,519 INFO L192 CegarLoopUtils]: At program point L161-1(lines 161 168) the Hoare annotation is: true [2021-01-06 19:13:27,519 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 19:13:27,519 INFO L189 CegarLoopUtils]: For program point L179-1(line 179) no Hoare annotation was computed. [2021-01-06 19:13:27,519 INFO L189 CegarLoopUtils]: For program point L179-2(line 179) no Hoare annotation was computed. [2021-01-06 19:13:27,519 INFO L185 CegarLoopUtils]: At program point L526(lines 521 529) the Hoare annotation is: false [2021-01-06 19:13:27,520 INFO L185 CegarLoopUtils]: At program point L526-1(lines 521 529) the Hoare annotation is: false [2021-01-06 19:13:27,520 INFO L189 CegarLoopUtils]: For program point L460(lines 460 464) no Hoare annotation was computed. [2021-01-06 19:13:27,520 INFO L185 CegarLoopUtils]: At program point L526-2(lines 521 529) the Hoare annotation is: false [2021-01-06 19:13:27,520 INFO L189 CegarLoopUtils]: For program point L329(lines 329 346) no Hoare annotation was computed. [2021-01-06 19:13:27,520 INFO L189 CegarLoopUtils]: For program point L329-1(lines 329 346) no Hoare annotation was computed. [2021-01-06 19:13:27,520 INFO L189 CegarLoopUtils]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2021-01-06 19:13:27,520 INFO L189 CegarLoopUtils]: For program point L230(lines 229 274) no Hoare annotation was computed. [2021-01-06 19:13:27,521 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:13:27,521 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-01-06 19:13:27,521 INFO L185 CegarLoopUtils]: At program point L214(lines 209 217) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:27,521 INFO L185 CegarLoopUtils]: At program point L297(lines 296 315) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-01-06 19:13:27,521 INFO L189 CegarLoopUtils]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2021-01-06 19:13:27,522 INFO L189 CegarLoopUtils]: For program point L231(lines 231 235) no Hoare annotation was computed. [2021-01-06 19:13:27,522 INFO L185 CegarLoopUtils]: At program point L297-2(lines 296 315) the Hoare annotation is: false [2021-01-06 19:13:27,522 INFO L185 CegarLoopUtils]: At program point L297-3(lines 296 315) the Hoare annotation is: false [2021-01-06 19:13:27,522 INFO L185 CegarLoopUtils]: At program point L83-2(lines 83 97) the Hoare annotation is: false [2021-01-06 19:13:27,522 INFO L189 CegarLoopUtils]: For program point L265(lines 265 269) no Hoare annotation was computed. [2021-01-06 19:13:27,522 INFO L189 CegarLoopUtils]: For program point L265-2(lines 297 303) no Hoare annotation was computed. [2021-01-06 19:13:27,522 INFO L189 CegarLoopUtils]: For program point L249(lines 249 255) no Hoare annotation was computed. [2021-01-06 19:13:27,523 INFO L185 CegarLoopUtils]: At program point L249-1(lines 249 255) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-01-06 19:13:27,523 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-01-06 19:13:27,523 INFO L189 CegarLoopUtils]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-01-06 19:13:27,523 INFO L189 CegarLoopUtils]: For program point L431-2(lines 431 435) no Hoare annotation was computed. [2021-01-06 19:13:27,523 INFO L189 CegarLoopUtils]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2021-01-06 19:13:27,524 INFO L189 CegarLoopUtils]: For program point L431-5(lines 431 435) no Hoare annotation was computed. [2021-01-06 19:13:27,524 INFO L189 CegarLoopUtils]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2021-01-06 19:13:27,524 INFO L189 CegarLoopUtils]: For program point L431-8(lines 431 435) no Hoare annotation was computed. [2021-01-06 19:13:27,524 INFO L185 CegarLoopUtils]: At program point L134(lines 130 136) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-01-06 19:13:27,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:13:27 BoogieIcfgContainer [2021-01-06 19:13:27,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:13:27,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:13:27,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:13:27,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:13:27,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:24" (3/4) ... [2021-01-06 19:13:27,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:13:27,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:13:27,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:13:27,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:13:27,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:13:27,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:13:27,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:27,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:13:27,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2021-01-06 19:13:27,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0 [2021-01-06 19:13:27,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) [2021-01-06 19:13:27,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:27,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:27,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:27,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:27,613 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:13:27,675 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product17.cil.c-witness.graphml [2021-01-06 19:13:27,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:13:27,679 INFO L168 Benchmark]: Toolchain (without parser) took 5393.36 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 133.0 MB in the beginning and 144.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:27,679 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 158.3 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:13:27,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.23 ms. Allocated memory is still 158.3 MB. Free memory was 132.8 MB in the beginning and 112.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:27,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.24 ms. Allocated memory is still 158.3 MB. Free memory was 112.0 MB in the beginning and 109.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:27,681 INFO L168 Benchmark]: Boogie Preprocessor took 71.17 ms. Allocated memory is still 158.3 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:27,682 INFO L168 Benchmark]: RCFGBuilder took 1182.31 ms. Allocated memory is still 158.3 MB. Free memory was 107.0 MB in the beginning and 91.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:27,683 INFO L168 Benchmark]: TraceAbstraction took 3209.25 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 91.0 MB in the beginning and 151.1 MB in the end (delta: -60.0 MB). Peak memory consumption was 60.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:27,683 INFO L168 Benchmark]: Witness Printer took 126.62 ms. Allocated memory is still 190.8 MB. Free memory was 151.1 MB in the beginning and 144.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:13:27,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 158.3 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 698.23 ms. Allocated memory is still 158.3 MB. Free memory was 132.8 MB in the beginning and 112.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 94.24 ms. Allocated memory is still 158.3 MB. Free memory was 112.0 MB in the beginning and 109.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 71.17 ms. Allocated memory is still 158.3 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1182.31 ms. Allocated memory is still 158.3 MB. Free memory was 107.0 MB in the beginning and 91.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3209.25 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 91.0 MB in the beginning and 151.1 MB in the end (delta: -60.0 MB). Peak memory consumption was 60.6 MB. Max. memory is 8.0 GB. * Witness Printer took 126.62 ms. Allocated memory is still 190.8 MB. Free memory was 151.1 MB in the beginning and 144.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((((\result == systemActive && \result == waterLevel) && 1 == systemActive) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 516 SDslu, 367 SDs, 0 SdLazy, 104 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 44 NumberOfFragments, 310 HoareAnnotationTreeSize, 30 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...