/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_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:21:03,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:21:03,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:21:03,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:21:03,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:21:03,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:21:03,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:21:03,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:21:03,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:21:03,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:21:03,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:21:03,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:21:03,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:21:03,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:21:03,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:21:03,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:21:03,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:21:03,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:21:03,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:21:03,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:21:03,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:21:03,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:21:03,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:21:03,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:21:03,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:21:03,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:21:03,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:21:03,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:21:03,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:21:03,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:21:03,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:21:03,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:21:03,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:21:03,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:21:03,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:21:03,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:21:03,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:21:03,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:21:03,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:21:03,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:21:03,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:21:03,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:21:03,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:21:03,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:21:03,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:21:03,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:21:03,694 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:21:03,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:21:03,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:21:03,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:21:03,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:21:03,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:21:03,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:21:03,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:21:03,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:21:03,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:21:03,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:21:03,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:21:03,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:21:03,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:21:03,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:21:03,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:21:03,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:21:03,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:21:03,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:21:03,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:21:03,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:21:03,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:21:04,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:21:04,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:21:04,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:21:04,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:21:04,257 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:21:04,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-12-23 09:21:04,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2a70e6f39/66508e21c47d4ab482c8aeb6333b4430/FLAGb156c044e [2020-12-23 09:21:05,190 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:21:05,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-12-23 09:21:05,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2a70e6f39/66508e21c47d4ab482c8aeb6333b4430/FLAGb156c044e [2020-12-23 09:21:05,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2a70e6f39/66508e21c47d4ab482c8aeb6333b4430 [2020-12-23 09:21:05,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:21:05,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:21:05,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:21:05,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:21:05,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:21:05,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:21:05" (1/1) ... [2020-12-23 09:21:05,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2763ba28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:05, skipping insertion in model container [2020-12-23 09:21:05,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:21:05" (1/1) ... [2020-12-23 09:21:05,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:21:05,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 09:21:05,747 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_spec5_product50.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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[~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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:21:05,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:21:05,967 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 09:21:05,994 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_spec5_product50.cil.c[1281,1294] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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[~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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~switchedOnBeforeTS~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:21:06,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:21:06,267 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:21:06,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06 WrapperNode [2020-12-23 09:21:06,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:21:06,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:21:06,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:21:06,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:21:06,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:21:06,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:21:06,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:21:06,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:21:06,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... [2020-12-23 09:21:06,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:21:06,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:21:06,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:21:06,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:21:06,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:21:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:21:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:21:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:21:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:21:07,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:21:07,706 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2020-12-23 09:21:07,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:07 BoogieIcfgContainer [2020-12-23 09:21:07,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:21:07,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:21:07,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:21:07,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:21:07,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:21:05" (1/3) ... [2020-12-23 09:21:07,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae02ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:21:07, skipping insertion in model container [2020-12-23 09:21:07,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:06" (2/3) ... [2020-12-23 09:21:07,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae02ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:21:07, skipping insertion in model container [2020-12-23 09:21:07,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:07" (3/3) ... [2020-12-23 09:21:07,719 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-12-23 09:21:07,728 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:21:07,733 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:21:07,753 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:21:07,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:21:07,783 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:21:07,783 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:21:07,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:21:07,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:21:07,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:21:07,784 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:21:07,784 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:21:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-12-23 09:21:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:21:07,822 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:07,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:07,826 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:07,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:07,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2020-12-23 09:21:07,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:07,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035177420] [2020-12-23 09:21:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:08,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035177420] [2020-12-23 09:21:08,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:08,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:08,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864878221] [2020-12-23 09:21:08,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:21:08,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:08,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:21:08,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:21:08,335 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2020-12-23 09:21:08,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:08,407 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2020-12-23 09:21:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:21:08,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-23 09:21:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:08,438 INFO L225 Difference]: With dead ends: 245 [2020-12-23 09:21:08,439 INFO L226 Difference]: Without dead ends: 122 [2020-12-23 09:21:08,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:21:08,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-12-23 09:21:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-12-23 09:21:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-23 09:21:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2020-12-23 09:21:08,526 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2020-12-23 09:21:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:08,527 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2020-12-23 09:21:08,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:21:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2020-12-23 09:21:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 09:21:08,530 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:08,531 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] [2020-12-23 09:21:08,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:21:08,532 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:08,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:08,534 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2020-12-23 09:21:08,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:08,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226446658] [2020-12-23 09:21:08,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:08,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226446658] [2020-12-23 09:21:08,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:08,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:21:08,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18552876] [2020-12-23 09:21:08,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:08,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:08,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:08,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:08,680 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2020-12-23 09:21:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:08,693 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2020-12-23 09:21:08,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:08,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-23 09:21:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:08,695 INFO L225 Difference]: With dead ends: 122 [2020-12-23 09:21:08,695 INFO L226 Difference]: Without dead ends: 51 [2020-12-23 09:21:08,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-23 09:21:08,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-23 09:21:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-23 09:21:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-12-23 09:21:08,703 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-12-23 09:21:08,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:08,703 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-12-23 09:21:08,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-12-23 09:21:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:21:08,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:08,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:08,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:21:08,706 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:08,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:08,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2020-12-23 09:21:08,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:08,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639242285] [2020-12-23 09:21:08,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:08,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639242285] [2020-12-23 09:21:08,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:08,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:21:08,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899806355] [2020-12-23 09:21:08,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:08,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:08,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:08,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:08,830 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 5 states. [2020-12-23 09:21:08,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:08,877 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-12-23 09:21:08,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:21:08,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-23 09:21:08,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:08,879 INFO L225 Difference]: With dead ends: 95 [2020-12-23 09:21:08,879 INFO L226 Difference]: Without dead ends: 51 [2020-12-23 09:21:08,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:21:08,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-23 09:21:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-23 09:21:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-23 09:21:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-12-23 09:21:08,889 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2020-12-23 09:21:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:08,890 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-12-23 09:21:08,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-12-23 09:21:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 09:21:08,893 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:08,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:08,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:21:08,894 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:08,895 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2020-12-23 09:21:08,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:08,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423185319] [2020-12-23 09:21:08,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:08,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423185319] [2020-12-23 09:21:08,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:08,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:08,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406431159] [2020-12-23 09:21:09,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:09,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:09,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:09,002 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-12-23 09:21:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,036 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2020-12-23 09:21:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:09,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-23 09:21:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,038 INFO L225 Difference]: With dead ends: 119 [2020-12-23 09:21:09,038 INFO L226 Difference]: Without dead ends: 75 [2020-12-23 09:21:09,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:09,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-23 09:21:09,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-12-23 09:21:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-23 09:21:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-12-23 09:21:09,050 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2020-12-23 09:21:09,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,050 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-12-23 09:21:09,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-12-23 09:21:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:09,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:09,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:21:09,053 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,053 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2020-12-23 09:21:09,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887549196] [2020-12-23 09:21:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:09,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887549196] [2020-12-23 09:21:09,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:21:09,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721584513] [2020-12-23 09:21:09,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:21:09,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:21:09,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:21:09,144 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2020-12-23 09:21:09,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,243 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2020-12-23 09:21:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:21:09,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-23 09:21:09,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,246 INFO L225 Difference]: With dead ends: 263 [2020-12-23 09:21:09,246 INFO L226 Difference]: Without dead ends: 197 [2020-12-23 09:21:09,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:21:09,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-12-23 09:21:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-12-23 09:21:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-23 09:21:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-12-23 09:21:09,262 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2020-12-23 09:21:09,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,262 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-12-23 09:21:09,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:21:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-12-23 09:21:09,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:09,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:09,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:21:09,264 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2020-12-23 09:21:09,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594507902] [2020-12-23 09:21:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:09,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594507902] [2020-12-23 09:21:09,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:21:09,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090227426] [2020-12-23 09:21:09,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:09,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:09,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:09,365 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2020-12-23 09:21:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,445 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2020-12-23 09:21:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:21:09,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:21:09,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,448 INFO L225 Difference]: With dead ends: 202 [2020-12-23 09:21:09,448 INFO L226 Difference]: Without dead ends: 132 [2020-12-23 09:21:09,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:21:09,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-23 09:21:09,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2020-12-23 09:21:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-23 09:21:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2020-12-23 09:21:09,486 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2020-12-23 09:21:09,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,486 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2020-12-23 09:21:09,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2020-12-23 09:21:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:09,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:09,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:21:09,490 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,491 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2020-12-23 09:21:09,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053846934] [2020-12-23 09:21:09,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:09,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053846934] [2020-12-23 09:21:09,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:21:09,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983157052] [2020-12-23 09:21:09,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:09,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:09,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:09,628 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2020-12-23 09:21:09,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,747 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2020-12-23 09:21:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:21:09,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:21:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,749 INFO L225 Difference]: With dead ends: 282 [2020-12-23 09:21:09,749 INFO L226 Difference]: Without dead ends: 206 [2020-12-23 09:21:09,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:21:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-12-23 09:21:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2020-12-23 09:21:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-23 09:21:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2020-12-23 09:21:09,773 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2020-12-23 09:21:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,774 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2020-12-23 09:21:09,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2020-12-23 09:21:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:09,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:09,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:21:09,782 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,783 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2020-12-23 09:21:09,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318827210] [2020-12-23 09:21:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:09,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318827210] [2020-12-23 09:21:09,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:09,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:09,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324051035] [2020-12-23 09:21:09,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:09,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:09,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:09,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:09,869 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2020-12-23 09:21:09,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:09,903 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2020-12-23 09:21:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:09,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-23 09:21:09,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:09,904 INFO L225 Difference]: With dead ends: 185 [2020-12-23 09:21:09,904 INFO L226 Difference]: Without dead ends: 110 [2020-12-23 09:21:09,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:09,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-23 09:21:09,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-23 09:21:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-23 09:21:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2020-12-23 09:21:09,924 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2020-12-23 09:21:09,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:09,924 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2020-12-23 09:21:09,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2020-12-23 09:21:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 09:21:09,925 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:09,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:09,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:21:09,926 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:09,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:09,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2020-12-23 09:21:09,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:09,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264215004] [2020-12-23 09:21:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:10,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264215004] [2020-12-23 09:21:10,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:10,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:21:10,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851010819] [2020-12-23 09:21:10,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:21:10,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:10,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:21:10,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:21:10,038 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 7 states. [2020-12-23 09:21:10,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:10,392 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2020-12-23 09:21:10,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:21:10,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-23 09:21:10,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:10,396 INFO L225 Difference]: With dead ends: 524 [2020-12-23 09:21:10,397 INFO L226 Difference]: Without dead ends: 449 [2020-12-23 09:21:10,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:21:10,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-12-23 09:21:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2020-12-23 09:21:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-23 09:21:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2020-12-23 09:21:10,432 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2020-12-23 09:21:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:10,432 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2020-12-23 09:21:10,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:21:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2020-12-23 09:21:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:21:10,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:10,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:21:10,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:21:10,437 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:10,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:10,438 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2020-12-23 09:21:10,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:10,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397525832] [2020-12-23 09:21:10,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:10,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397525832] [2020-12-23 09:21:10,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780441685] [2020-12-23 09:21:10,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:21:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:10,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 09:21:10,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:21:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:21:10,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:21:10,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-23 09:21:10,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747196623] [2020-12-23 09:21:10,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:21:10,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:10,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:21:10,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:21:10,861 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand 10 states. [2020-12-23 09:21:11,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:11,317 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2020-12-23 09:21:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:21:11,318 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-12-23 09:21:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:11,319 INFO L225 Difference]: With dead ends: 434 [2020-12-23 09:21:11,319 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:21:11,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-12-23 09:21:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:21:11,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:21:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:21:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:21:11,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-23 09:21:11,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:11,321 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:21:11,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:21:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:21:11,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:21:11,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:21:11,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:21:12,641 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2020-12-23 09:21:12,791 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2020-12-23 09:21:12,979 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-12-23 09:21:13,119 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-12-23 09:21:13,267 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-12-23 09:21:13,520 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-12-23 09:21:13,773 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-12-23 09:21:13,899 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-12-23 09:21:14,161 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-12-23 09:21:14,308 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-12-23 09:21:14,550 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2020-12-23 09:21:14,557 INFO L185 CegarLoopUtils]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:14,558 INFO L185 CegarLoopUtils]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:14,558 INFO L185 CegarLoopUtils]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2020-12-23 09:21:14,558 INFO L185 CegarLoopUtils]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2020-12-23 09:21:14,559 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:21:14,559 INFO L185 CegarLoopUtils]: At program point L333(lines 284 334) the Hoare annotation is: false [2020-12-23 09:21:14,559 INFO L189 CegarLoopUtils]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,559 INFO L189 CegarLoopUtils]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,559 INFO L189 CegarLoopUtils]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,559 INFO L189 CegarLoopUtils]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,559 INFO L189 CegarLoopUtils]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,559 INFO L189 CegarLoopUtils]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,560 INFO L189 CegarLoopUtils]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,560 INFO L189 CegarLoopUtils]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,560 INFO L189 CegarLoopUtils]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,560 INFO L189 CegarLoopUtils]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,561 INFO L189 CegarLoopUtils]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,561 INFO L189 CegarLoopUtils]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2020-12-23 09:21:14,561 INFO L189 CegarLoopUtils]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-12-23 09:21:14,561 INFO L189 CegarLoopUtils]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2020-12-23 09:21:14,561 INFO L189 CegarLoopUtils]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2020-12-23 09:21:14,561 INFO L189 CegarLoopUtils]: For program point L106(lines 106 123) no Hoare annotation was computed. [2020-12-23 09:21:14,561 INFO L189 CegarLoopUtils]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2020-12-23 09:21:14,562 INFO L189 CegarLoopUtils]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2020-12-23 09:21:14,563 INFO L189 CegarLoopUtils]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2020-12-23 09:21:14,563 INFO L189 CegarLoopUtils]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2020-12-23 09:21:14,565 INFO L189 CegarLoopUtils]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2020-12-23 09:21:14,565 INFO L189 CegarLoopUtils]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-12-23 09:21:14,565 INFO L185 CegarLoopUtils]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,566 INFO L185 CegarLoopUtils]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:14,566 INFO L185 CegarLoopUtils]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2020-12-23 09:21:14,566 INFO L185 CegarLoopUtils]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2020-12-23 09:21:14,566 INFO L185 CegarLoopUtils]: At program point L240(lines 225 243) the Hoare annotation is: false [2020-12-23 09:21:14,566 INFO L185 CegarLoopUtils]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,566 INFO L185 CegarLoopUtils]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2020-12-23 09:21:14,567 INFO L185 CegarLoopUtils]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2020-12-23 09:21:14,567 INFO L185 CegarLoopUtils]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2020-12-23 09:21:14,568 INFO L185 CegarLoopUtils]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2020-12-23 09:21:14,568 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:21:14,569 INFO L189 CegarLoopUtils]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-12-23 09:21:14,570 INFO L189 CegarLoopUtils]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-12-23 09:21:14,570 INFO L189 CegarLoopUtils]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2020-12-23 09:21:14,570 INFO L189 CegarLoopUtils]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-12-23 09:21:14,570 INFO L189 CegarLoopUtils]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2020-12-23 09:21:14,570 INFO L189 CegarLoopUtils]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2020-12-23 09:21:14,571 INFO L189 CegarLoopUtils]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2020-12-23 09:21:14,571 INFO L185 CegarLoopUtils]: At program point L441(lines 436 444) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:14,571 INFO L185 CegarLoopUtils]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2020-12-23 09:21:14,571 INFO L185 CegarLoopUtils]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2020-12-23 09:21:14,572 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-23 09:21:14,572 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-23 09:21:14,572 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-23 09:21:14,572 INFO L189 CegarLoopUtils]: For program point L839(lines 839 856) no Hoare annotation was computed. [2020-12-23 09:21:14,572 INFO L185 CegarLoopUtils]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,572 INFO L189 CegarLoopUtils]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2020-12-23 09:21:14,572 INFO L185 CegarLoopUtils]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2020-12-23 09:21:14,573 INFO L189 CegarLoopUtils]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2020-12-23 09:21:14,573 INFO L185 CegarLoopUtils]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2020-12-23 09:21:14,573 INFO L185 CegarLoopUtils]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,574 INFO L185 CegarLoopUtils]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2020-12-23 09:21:14,574 INFO L185 CegarLoopUtils]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2020-12-23 09:21:14,574 INFO L189 CegarLoopUtils]: For program point L843(lines 843 853) no Hoare annotation was computed. [2020-12-23 09:21:14,574 INFO L189 CegarLoopUtils]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2020-12-23 09:21:14,574 INFO L189 CegarLoopUtils]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2020-12-23 09:21:14,574 INFO L189 CegarLoopUtils]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-12-23 09:21:14,574 INFO L189 CegarLoopUtils]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-12-23 09:21:14,576 INFO L185 CegarLoopUtils]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2020-12-23 09:21:14,576 INFO L189 CegarLoopUtils]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-12-23 09:21:14,576 INFO L189 CegarLoopUtils]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-12-23 09:21:14,577 INFO L189 CegarLoopUtils]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-12-23 09:21:14,577 INFO L189 CegarLoopUtils]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2020-12-23 09:21:14,577 INFO L189 CegarLoopUtils]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2020-12-23 09:21:14,577 INFO L189 CegarLoopUtils]: For program point L911(line 911) no Hoare annotation was computed. [2020-12-23 09:21:14,577 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:21:14,578 INFO L185 CegarLoopUtils]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) [2020-12-23 09:21:14,578 INFO L185 CegarLoopUtils]: At program point L185-1(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:14,578 INFO L185 CegarLoopUtils]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2020-12-23 09:21:14,578 INFO L185 CegarLoopUtils]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2020-12-23 09:21:14,578 INFO L185 CegarLoopUtils]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2020-12-23 09:21:14,578 INFO L185 CegarLoopUtils]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2020-12-23 09:21:14,579 INFO L185 CegarLoopUtils]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,579 INFO L185 CegarLoopUtils]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2020-12-23 09:21:14,579 INFO L185 CegarLoopUtils]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2020-12-23 09:21:14,579 INFO L189 CegarLoopUtils]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-12-23 09:21:14,579 INFO L189 CegarLoopUtils]: For program point L253(lines 253 257) no Hoare annotation was computed. [2020-12-23 09:21:14,579 INFO L189 CegarLoopUtils]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2020-12-23 09:21:14,579 INFO L189 CegarLoopUtils]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2020-12-23 09:21:14,584 INFO L189 CegarLoopUtils]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2020-12-23 09:21:14,584 INFO L189 CegarLoopUtils]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2020-12-23 09:21:14,584 INFO L189 CegarLoopUtils]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2020-12-23 09:21:14,584 INFO L189 CegarLoopUtils]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-12-23 09:21:14,584 INFO L189 CegarLoopUtils]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2020-12-23 09:21:14,585 INFO L189 CegarLoopUtils]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-12-23 09:21:14,586 INFO L189 CegarLoopUtils]: For program point L982(lines 982 989) no Hoare annotation was computed. [2020-12-23 09:21:14,586 INFO L192 CegarLoopUtils]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2020-12-23 09:21:14,587 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:21:14,587 INFO L185 CegarLoopUtils]: At program point L818(lines 813 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:14,588 INFO L189 CegarLoopUtils]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-12-23 09:21:14,588 INFO L185 CegarLoopUtils]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,588 INFO L185 CegarLoopUtils]: At program point L886(lines 1 994) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-23 09:21:14,588 INFO L185 CegarLoopUtils]: At program point L259(lines 244 262) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:14,588 INFO L185 CegarLoopUtils]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2020-12-23 09:21:14,589 INFO L185 CegarLoopUtils]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-12-23 09:21:14,589 INFO L189 CegarLoopUtils]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-12-23 09:21:14,590 INFO L185 CegarLoopUtils]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,590 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:21:14,590 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-23 09:21:14,590 INFO L189 CegarLoopUtils]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-12-23 09:21:14,590 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2020-12-23 09:21:14,590 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2020-12-23 09:21:14,591 INFO L192 CegarLoopUtils]: At program point L991(lines 972 994) the Hoare annotation is: true [2020-12-23 09:21:14,591 INFO L185 CegarLoopUtils]: At program point L958(lines 954 960) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:14,591 INFO L185 CegarLoopUtils]: At program point L431(lines 422 435) the Hoare annotation is: false [2020-12-23 09:21:14,591 INFO L185 CegarLoopUtils]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:14,591 INFO L185 CegarLoopUtils]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2020-12-23 09:21:14,591 INFO L185 CegarLoopUtils]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2020-12-23 09:21:14,591 INFO L185 CegarLoopUtils]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2020-12-23 09:21:14,591 INFO L185 CegarLoopUtils]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2020-12-23 09:21:14,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:21:14 BoogieIcfgContainer [2020-12-23 09:21:14,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:21:14,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:21:14,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:21:14,659 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:21:14,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:07" (3/4) ... [2020-12-23 09:21:14,666 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:21:14,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:21:14,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:21:14,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:21:14,691 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:21:14,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:21:14,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:14,694 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:14,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:14,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:14,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:14,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,730 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:14,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:14,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:14,826 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product50.cil.c-witness.graphml [2020-12-23 09:21:14,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:21:14,827 INFO L168 Benchmark]: Toolchain (without parser) took 9306.22 ms. Allocated memory was 154.1 MB in the beginning and 253.8 MB in the end (delta: 99.6 MB). Free memory was 126.9 MB in the beginning and 200.4 MB in the end (delta: -73.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:14,827 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 154.1 MB. Free memory is still 138.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:21:14,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.45 ms. Allocated memory is still 154.1 MB. Free memory was 126.6 MB in the beginning and 130.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:14,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.93 ms. Allocated memory is still 154.1 MB. Free memory was 130.3 MB in the beginning and 126.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:14,829 INFO L168 Benchmark]: Boogie Preprocessor took 110.00 ms. Allocated memory is still 154.1 MB. Free memory was 126.1 MB in the beginning and 123.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:14,829 INFO L168 Benchmark]: RCFGBuilder took 1167.33 ms. Allocated memory is still 154.1 MB. Free memory was 123.5 MB in the beginning and 97.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:14,830 INFO L168 Benchmark]: TraceAbstraction took 6948.41 ms. Allocated memory was 154.1 MB in the beginning and 253.8 MB in the end (delta: 99.6 MB). Free memory was 97.1 MB in the beginning and 210.9 MB in the end (delta: -113.8 MB). Peak memory consumption was 112.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:14,830 INFO L168 Benchmark]: Witness Printer took 166.94 ms. Allocated memory is still 253.8 MB. Free memory was 210.9 MB in the beginning and 200.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:14,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 154.1 MB. Free memory is still 138.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 746.45 ms. Allocated memory is still 154.1 MB. Free memory was 126.6 MB in the beginning and 130.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 156.93 ms. Allocated memory is still 154.1 MB. Free memory was 130.3 MB in the beginning and 126.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.00 ms. Allocated memory is still 154.1 MB. Free memory was 126.1 MB in the beginning and 123.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1167.33 ms. Allocated memory is still 154.1 MB. Free memory was 123.5 MB in the beginning and 97.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6948.41 ms. Allocated memory was 154.1 MB in the beginning and 253.8 MB in the end (delta: 99.6 MB). Free memory was 97.1 MB in the beginning and 210.9 MB in the end (delta: -113.8 MB). Peak memory consumption was 112.7 MB. Max. memory is 8.0 GB. * Witness Printer took 166.94 ms. Allocated memory is still 253.8 MB. Free memory was 210.9 MB in the beginning and 200.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 422]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1042 SDtfs, 1754 SDslu, 1459 SDs, 0 SdLazy, 264 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 554 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 902 HoareAnnotationTreeSize, 50 FomulaSimplifications, 81465 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 14874 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 31186 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...