/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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:20:57,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:20:57,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:20:57,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:20:57,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:20:57,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:20:57,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:20:57,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:20:57,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:20:57,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:20:57,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:20:57,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:20:57,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:20:57,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:20:57,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:20:57,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:20:57,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:20:57,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:20:57,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:20:57,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:20:57,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:20:57,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:20:57,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:20:57,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:20:57,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:20:57,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:20:57,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:20:57,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:20:57,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:20:57,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:20:57,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:20:57,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:20:57,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:20:57,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:20:57,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:20:57,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:20:57,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:20:57,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:20:57,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:20:57,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:20:57,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:20:57,605 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 09:20:57,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:20:57,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:20:57,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:20:57,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:20:57,667 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:20:57,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:20:57,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:20:57,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:20:57,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:20:57,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:20:57,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:20:57,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:20:57,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:20:57,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:20:57,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:20:57,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:20:57,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:20:57,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:57,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:20:57,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:20:57,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:20:57,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:20:57,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:20:57,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:20:57,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:20:57,671 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:20:58,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:20:58,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:20:58,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:20:58,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:20:58,075 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:20:58,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2020-12-23 09:20:58,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/279591648/2350bcc8e5ff4000bff81d31a8597b85/FLAG032b8808a [2020-12-23 09:20:58,925 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:20:58,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2020-12-23 09:20:58,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/279591648/2350bcc8e5ff4000bff81d31a8597b85/FLAG032b8808a [2020-12-23 09:20:59,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/279591648/2350bcc8e5ff4000bff81d31a8597b85 [2020-12-23 09:20:59,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:20:59,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:20:59,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:59,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:20:59,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:20:59,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:59" (1/1) ... [2020-12-23 09:20:59,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb121cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:59, skipping insertion in model container [2020-12-23 09:20:59,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:59" (1/1) ... [2020-12-23 09:20:59,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:20:59,374 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] [2020-12-23 09:20:59,576 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_product45.cil.c[2740,2753] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~5,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~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~11,] [2020-12-23 09:20:59,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:59,808 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] [2020-12-23 09:20:59,836 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_product45.cil.c[2740,2753] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] 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~5,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~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~11,] [2020-12-23 09:20:59,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:21:00,038 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:21:00,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00 WrapperNode [2020-12-23 09:21:00,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:21:00,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:21:00,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:21:00,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:21:00,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:21:00,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:21:00,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:21:00,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:21:00,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (1/1) ... [2020-12-23 09:21:00,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:21:00,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:21:00,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:21:00,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:21:00,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (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 09:21:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:21:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:21:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:21:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:21:01,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:21:01,570 INFO L299 CfgBuilder]: Removed 206 assume(true) statements. [2020-12-23 09:21:01,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:01 BoogieIcfgContainer [2020-12-23 09:21:01,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:21:01,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:21:01,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:21:01,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:21:01,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:20:59" (1/3) ... [2020-12-23 09:21:01,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e35ee97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:21:01, skipping insertion in model container [2020-12-23 09:21:01,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:21:00" (2/3) ... [2020-12-23 09:21:01,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e35ee97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:21:01, skipping insertion in model container [2020-12-23 09:21:01,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:01" (3/3) ... [2020-12-23 09:21:01,581 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-12-23 09:21:01,590 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:21:01,596 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:21:01,617 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:21:01,651 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:21:01,652 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:21:01,652 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:21:01,652 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:21:01,653 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:21:01,653 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:21:01,653 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:21:01,653 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:21:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-12-23 09:21:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 09:21:01,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:01,697 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 09:21:01,698 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:01,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:01,704 INFO L82 PathProgramCache]: Analyzing trace with hash -2038923744, now seen corresponding path program 1 times [2020-12-23 09:21:01,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:01,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993570957] [2020-12-23 09:21:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:02,109 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 09:21:02,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993570957] [2020-12-23 09:21:02,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:02,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:02,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740918726] [2020-12-23 09:21:02,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:21:02,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:02,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:21:02,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:21:02,136 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-12-23 09:21:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:02,179 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2020-12-23 09:21:02,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:21:02,181 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-23 09:21:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:02,204 INFO L225 Difference]: With dead ends: 269 [2020-12-23 09:21:02,205 INFO L226 Difference]: Without dead ends: 134 [2020-12-23 09:21:02,216 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 09:21:02,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-12-23 09:21:02,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-12-23 09:21:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-12-23 09:21:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2020-12-23 09:21:02,307 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2020-12-23 09:21:02,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:02,308 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2020-12-23 09:21:02,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:21:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2020-12-23 09:21:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 09:21:02,310 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:02,310 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 09:21:02,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:21:02,312 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:02,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:02,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1183223248, now seen corresponding path program 1 times [2020-12-23 09:21:02,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:02,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012467739] [2020-12-23 09:21:02,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:02,456 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 09:21:02,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012467739] [2020-12-23 09:21:02,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:02,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:21:02,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337809231] [2020-12-23 09:21:02,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:02,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:02,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:02,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:02,461 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2020-12-23 09:21:02,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:02,478 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2020-12-23 09:21:02,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:02,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-23 09:21:02,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:02,480 INFO L225 Difference]: With dead ends: 134 [2020-12-23 09:21:02,480 INFO L226 Difference]: Without dead ends: 55 [2020-12-23 09:21:02,482 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 09:21:02,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-23 09:21:02,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-23 09:21:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-23 09:21:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-12-23 09:21:02,489 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2020-12-23 09:21:02,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:02,489 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-12-23 09:21:02,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:02,490 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-12-23 09:21:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:21:02,491 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:02,491 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 09:21:02,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:21:02,492 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:02,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:02,493 INFO L82 PathProgramCache]: Analyzing trace with hash 401446808, now seen corresponding path program 1 times [2020-12-23 09:21:02,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:02,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95602513] [2020-12-23 09:21:02,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:02,649 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 09:21:02,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95602513] [2020-12-23 09:21:02,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:02,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:21:02,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633060482] [2020-12-23 09:21:02,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:21:02,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:02,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:21:02,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:21:02,654 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 6 states. [2020-12-23 09:21:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:02,891 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2020-12-23 09:21:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:21:02,893 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-23 09:21:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:02,894 INFO L225 Difference]: With dead ends: 103 [2020-12-23 09:21:02,894 INFO L226 Difference]: Without dead ends: 55 [2020-12-23 09:21:02,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:21:02,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-23 09:21:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-23 09:21:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-23 09:21:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-12-23 09:21:02,912 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2020-12-23 09:21:02,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:02,916 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-12-23 09:21:02,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:21:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-12-23 09:21:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 09:21:02,918 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:02,918 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 09:21:02,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:21:02,920 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:02,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:02,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1016692102, now seen corresponding path program 1 times [2020-12-23 09:21:02,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:02,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498315255] [2020-12-23 09:21:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:03,044 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 09:21:03,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498315255] [2020-12-23 09:21:03,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:03,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:03,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438302075] [2020-12-23 09:21:03,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:03,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:03,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:03,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:03,053 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2020-12-23 09:21:03,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:03,130 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2020-12-23 09:21:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:03,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-23 09:21:03,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:03,134 INFO L225 Difference]: With dead ends: 127 [2020-12-23 09:21:03,134 INFO L226 Difference]: Without dead ends: 79 [2020-12-23 09:21:03,135 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 09:21:03,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-23 09:21:03,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2020-12-23 09:21:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-23 09:21:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-12-23 09:21:03,145 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2020-12-23 09:21:03,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:03,146 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-12-23 09:21:03,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-12-23 09:21:03,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:21:03,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:03,148 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 09:21:03,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:21:03,148 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:03,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:03,149 INFO L82 PathProgramCache]: Analyzing trace with hash -836140634, now seen corresponding path program 1 times [2020-12-23 09:21:03,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:03,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913651787] [2020-12-23 09:21:03,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:03,221 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 09:21:03,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913651787] [2020-12-23 09:21:03,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:03,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:21:03,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588252862] [2020-12-23 09:21:03,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:03,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:03,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:03,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:03,225 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-12-23 09:21:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:03,359 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-12-23 09:21:03,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:21:03,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:21:03,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:03,362 INFO L225 Difference]: With dead ends: 260 [2020-12-23 09:21:03,362 INFO L226 Difference]: Without dead ends: 190 [2020-12-23 09:21:03,363 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 09:21:03,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-23 09:21:03,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-12-23 09:21:03,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-23 09:21:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2020-12-23 09:21:03,377 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2020-12-23 09:21:03,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:03,377 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2020-12-23 09:21:03,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-12-23 09:21:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:21:03,379 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:03,379 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, 1, 1] [2020-12-23 09:21:03,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:21:03,380 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:03,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:03,380 INFO L82 PathProgramCache]: Analyzing trace with hash 2819926, now seen corresponding path program 1 times [2020-12-23 09:21:03,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:03,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283615938] [2020-12-23 09:21:03,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:03,443 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 09:21:03,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283615938] [2020-12-23 09:21:03,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:03,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:21:03,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528665595] [2020-12-23 09:21:03,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:21:03,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:03,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:21:03,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:03,446 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2020-12-23 09:21:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:03,532 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2020-12-23 09:21:03,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:21:03,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-23 09:21:03,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:03,533 INFO L225 Difference]: With dead ends: 194 [2020-12-23 09:21:03,534 INFO L226 Difference]: Without dead ends: 125 [2020-12-23 09:21:03,534 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 09:21:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-23 09:21:03,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2020-12-23 09:21:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-23 09:21:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2020-12-23 09:21:03,545 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2020-12-23 09:21:03,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:03,546 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2020-12-23 09:21:03,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:21:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2020-12-23 09:21:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:21:03,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:03,547 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, 1, 1] [2020-12-23 09:21:03,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:21:03,548 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:03,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:03,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1008297324, now seen corresponding path program 1 times [2020-12-23 09:21:03,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:03,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411157950] [2020-12-23 09:21:03,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:03,599 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 09:21:03,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411157950] [2020-12-23 09:21:03,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:03,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:21:03,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716181985] [2020-12-23 09:21:03,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:21:03,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:03,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:21:03,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:21:03,602 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2020-12-23 09:21:03,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:03,643 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2020-12-23 09:21:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:21:03,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-23 09:21:03,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:03,645 INFO L225 Difference]: With dead ends: 189 [2020-12-23 09:21:03,645 INFO L226 Difference]: Without dead ends: 114 [2020-12-23 09:21:03,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:21:03,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-12-23 09:21:03,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2020-12-23 09:21:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-23 09:21:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2020-12-23 09:21:03,657 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2020-12-23 09:21:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:03,657 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2020-12-23 09:21:03,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:21:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2020-12-23 09:21:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:21:03,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:03,659 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, 1, 1] [2020-12-23 09:21:03,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:21:03,659 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2029365678, now seen corresponding path program 1 times [2020-12-23 09:21:03,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:03,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490099147] [2020-12-23 09:21:03,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:03,715 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 09:21:03,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490099147] [2020-12-23 09:21:03,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:03,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:21:03,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288186676] [2020-12-23 09:21:03,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:21:03,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:03,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:21:03,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:21:03,718 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2020-12-23 09:21:03,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:03,755 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2020-12-23 09:21:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:21:03,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-23 09:21:03,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:03,757 INFO L225 Difference]: With dead ends: 193 [2020-12-23 09:21:03,757 INFO L226 Difference]: Without dead ends: 114 [2020-12-23 09:21:03,758 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 09:21:03,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-12-23 09:21:03,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-12-23 09:21:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-23 09:21:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2020-12-23 09:21:03,781 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2020-12-23 09:21:03,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:03,781 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2020-12-23 09:21:03,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:21:03,782 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2020-12-23 09:21:03,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 09:21:03,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:03,785 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, 1, 1, 1] [2020-12-23 09:21:03,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:21:03,786 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:03,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:03,787 INFO L82 PathProgramCache]: Analyzing trace with hash -493567726, now seen corresponding path program 1 times [2020-12-23 09:21:03,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:03,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811319222] [2020-12-23 09:21:03,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:03,942 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 09:21:03,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811319222] [2020-12-23 09:21:03,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:21:03,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:21:03,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677138975] [2020-12-23 09:21:03,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:21:03,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:03,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:21:03,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:21:03,952 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 7 states. [2020-12-23 09:21:04,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:04,352 INFO L93 Difference]: Finished difference Result 533 states and 713 transitions. [2020-12-23 09:21:04,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:21:04,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-12-23 09:21:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:04,355 INFO L225 Difference]: With dead ends: 533 [2020-12-23 09:21:04,356 INFO L226 Difference]: Without dead ends: 454 [2020-12-23 09:21:04,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:21:04,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-12-23 09:21:04,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 192. [2020-12-23 09:21:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-12-23 09:21:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 249 transitions. [2020-12-23 09:21:04,390 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 249 transitions. Word has length 38 [2020-12-23 09:21:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:04,392 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 249 transitions. [2020-12-23 09:21:04,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:21:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2020-12-23 09:21:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 09:21:04,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:21:04,399 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, 1] [2020-12-23 09:21:04,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:21:04,401 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:21:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:21:04,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1880270052, now seen corresponding path program 1 times [2020-12-23 09:21:04,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:21:04,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578993453] [2020-12-23 09:21:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:21:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:04,529 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 09:21:04,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578993453] [2020-12-23 09:21:04,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820307564] [2020-12-23 09:21:04,531 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 09:21:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:21:04,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 09:21:04,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:21:04,862 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 09:21:04,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:21:04,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-23 09:21:04,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656399085] [2020-12-23 09:21:04,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:21:04,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:21:04,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:21:04,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:21:04,864 INFO L87 Difference]: Start difference. First operand 192 states and 249 transitions. Second operand 10 states. [2020-12-23 09:21:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:21:05,277 INFO L93 Difference]: Finished difference Result 435 states and 582 transitions. [2020-12-23 09:21:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:21:05,278 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-12-23 09:21:05,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:21:05,278 INFO L225 Difference]: With dead ends: 435 [2020-12-23 09:21:05,278 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:21:05,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 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 09:21:05,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:21:05,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:21:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:21:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:21:05,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-12-23 09:21:05,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:21:05,280 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:21:05,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:21:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:21:05,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:21:05,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:21:05,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:21:05,665 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2020-12-23 09:21:06,324 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-23 09:21:06,522 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2020-12-23 09:21:06,730 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-23 09:21:07,027 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-12-23 09:21:07,227 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-12-23 09:21:07,380 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-12-23 09:21:07,542 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-12-23 09:21:07,721 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-23 09:21:07,838 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-12-23 09:21:08,026 INFO L185 CegarLoopUtils]: At program point L861(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:21:08,026 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-23 09:21:08,026 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:08,027 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~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 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:08,027 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:08,027 INFO L185 CegarLoopUtils]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:08,027 INFO L185 CegarLoopUtils]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:08,027 INFO L185 CegarLoopUtils]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-12-23 09:21:08,027 INFO L185 CegarLoopUtils]: At program point L765(lines 750 768) the Hoare annotation is: false [2020-12-23 09:21:08,028 INFO L185 CegarLoopUtils]: At program point L765-1(lines 750 768) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~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 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-23 09:21:08,028 INFO L185 CegarLoopUtils]: At program point L765-2(lines 750 768) the Hoare annotation is: false [2020-12-23 09:21:08,028 INFO L185 CegarLoopUtils]: At program point L765-3(lines 750 768) the Hoare annotation is: false [2020-12-23 09:21:08,028 INFO L185 CegarLoopUtils]: At program point L765-4(lines 750 768) the Hoare annotation is: false [2020-12-23 09:21:08,028 INFO L185 CegarLoopUtils]: At program point L765-5(lines 750 768) the Hoare annotation is: false [2020-12-23 09:21:08,028 INFO L185 CegarLoopUtils]: At program point L535(lines 582 588) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~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 09:21:08,029 INFO L185 CegarLoopUtils]: At program point L535-1(lines 582 588) the Hoare annotation is: false [2020-12-23 09:21:08,029 INFO L185 CegarLoopUtils]: At program point L535-2(lines 582 588) the Hoare annotation is: false [2020-12-23 09:21:08,029 INFO L185 CegarLoopUtils]: At program point L701(lines 694 704) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:08,029 INFO L185 CegarLoopUtils]: At program point L701-1(lines 694 704) the Hoare annotation is: false [2020-12-23 09:21:08,029 INFO L185 CegarLoopUtils]: At program point L701-2(lines 694 704) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:08,029 INFO L185 CegarLoopUtils]: At program point L701-3(lines 694 704) the Hoare annotation is: false [2020-12-23 09:21:08,030 INFO L185 CegarLoopUtils]: At program point L701-4(lines 694 704) the Hoare annotation is: false [2020-12-23 09:21:08,030 INFO L185 CegarLoopUtils]: At program point L701-5(lines 694 704) the Hoare annotation is: false [2020-12-23 09:21:08,030 INFO L185 CegarLoopUtils]: At program point L701-6(lines 694 704) the Hoare annotation is: false [2020-12-23 09:21:08,030 INFO L185 CegarLoopUtils]: At program point L701-7(lines 694 704) the Hoare annotation is: false [2020-12-23 09:21:08,030 INFO L185 CegarLoopUtils]: At program point L701-8(lines 694 704) the Hoare annotation is: false [2020-12-23 09:21:08,030 INFO L192 CegarLoopUtils]: At program point L966(lines 947 969) the Hoare annotation is: true [2020-12-23 09:21:08,031 INFO L185 CegarLoopUtils]: At program point L933(lines 929 935) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:08,031 INFO L189 CegarLoopUtils]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-12-23 09:21:08,031 INFO L185 CegarLoopUtils]: At program point L801-1(lines 801 807) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:08,031 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-23 09:21:08,031 INFO L185 CegarLoopUtils]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L640(lines 640 657) no Hoare annotation was computed. [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L640-1(lines 640 657) no Hoare annotation was computed. [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L640-2(lines 640 657) no Hoare annotation was computed. [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L147-1(line 147) no Hoare annotation was computed. [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-12-23 09:21:08,032 INFO L189 CegarLoopUtils]: For program point L676(lines 676 682) no Hoare annotation was computed. [2020-12-23 09:21:08,033 INFO L189 CegarLoopUtils]: For program point L676-2(lines 676 682) no Hoare annotation was computed. [2020-12-23 09:21:08,033 INFO L189 CegarLoopUtils]: For program point L676-4(lines 676 682) no Hoare annotation was computed. [2020-12-23 09:21:08,033 INFO L189 CegarLoopUtils]: For program point L676-6(lines 676 682) no Hoare annotation was computed. [2020-12-23 09:21:08,033 INFO L189 CegarLoopUtils]: For program point L676-8(lines 676 682) no Hoare annotation was computed. [2020-12-23 09:21:08,033 INFO L189 CegarLoopUtils]: For program point L676-10(lines 676 682) no Hoare annotation was computed. [2020-12-23 09:21:08,033 INFO L185 CegarLoopUtils]: At program point L710(lines 705 713) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= 1 ~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 .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse5 .cse6))) [2020-12-23 09:21:08,034 INFO L185 CegarLoopUtils]: At program point L710-1(lines 705 713) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~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 09:21:08,034 INFO L189 CegarLoopUtils]: For program point L644(lines 644 652) no Hoare annotation was computed. [2020-12-23 09:21:08,034 INFO L185 CegarLoopUtils]: At program point L710-2(lines 705 713) the Hoare annotation is: false [2020-12-23 09:21:08,034 INFO L189 CegarLoopUtils]: For program point L644-1(lines 644 652) no Hoare annotation was computed. [2020-12-23 09:21:08,034 INFO L185 CegarLoopUtils]: At program point L710-3(lines 705 713) the Hoare annotation is: false [2020-12-23 09:21:08,034 INFO L185 CegarLoopUtils]: At program point L710-4(lines 705 713) the Hoare annotation is: false [2020-12-23 09:21:08,034 INFO L189 CegarLoopUtils]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2020-12-23 09:21:08,035 INFO L185 CegarLoopUtils]: At program point L710-5(lines 705 713) the Hoare annotation is: false [2020-12-23 09:21:08,035 INFO L189 CegarLoopUtils]: For program point L546(lines 546 563) no Hoare annotation was computed. [2020-12-23 09:21:08,035 INFO L185 CegarLoopUtils]: At program point L546-1(lines 1 969) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3 2) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse5 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-23 09:21:08,035 INFO L189 CegarLoopUtils]: For program point L546-2(lines 546 563) no Hoare annotation was computed. [2020-12-23 09:21:08,035 INFO L185 CegarLoopUtils]: At program point L546-3(lines 1 969) the Hoare annotation is: false [2020-12-23 09:21:08,035 INFO L189 CegarLoopUtils]: For program point L546-4(lines 546 563) no Hoare annotation was computed. [2020-12-23 09:21:08,035 INFO L185 CegarLoopUtils]: At program point L546-5(lines 1 969) the Hoare annotation is: false [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point L811(lines 811 822) no Hoare annotation was computed. [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point L614(lines 614 631) no Hoare annotation was computed. [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point L614-1(lines 614 631) no Hoare annotation was computed. [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point L614-2(lines 614 631) no Hoare annotation was computed. [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point L614-3(lines 614 631) no Hoare annotation was computed. [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point L614-4(lines 614 631) no Hoare annotation was computed. [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point L614-5(lines 614 631) no Hoare annotation was computed. [2020-12-23 09:21:08,036 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:21:08,037 INFO L185 CegarLoopUtils]: At program point L582(lines 578 600) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~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 09:21:08,037 INFO L185 CegarLoopUtils]: At program point L582-1(lines 578 600) the Hoare annotation is: false [2020-12-23 09:21:08,037 INFO L185 CegarLoopUtils]: At program point L582-2(lines 578 600) the Hoare annotation is: false [2020-12-23 09:21:08,037 INFO L189 CegarLoopUtils]: For program point L550(lines 550 560) no Hoare annotation was computed. [2020-12-23 09:21:08,037 INFO L189 CegarLoopUtils]: For program point L550-2(lines 550 560) no Hoare annotation was computed. [2020-12-23 09:21:08,037 INFO L189 CegarLoopUtils]: For program point L550-4(lines 550 560) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L782(lines 781 826) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L551-2(lines 551 557) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L551-4(lines 551 557) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-12-23 09:21:08,038 INFO L189 CegarLoopUtils]: For program point L618(lines 618 626) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point L618-1(lines 618 626) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point L618-2(lines 618 626) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point L618-3(lines 618 626) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point L618-4(lines 618 626) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point L618-5(lines 618 626) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point L817(lines 817 821) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point L817-2(lines 811 822) no Hoare annotation was computed. [2020-12-23 09:21:08,039 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:21:08,040 INFO L185 CegarLoopUtils]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:08,040 INFO L185 CegarLoopUtils]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-12-23 09:21:08,040 INFO L185 CegarLoopUtils]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-12-23 09:21:08,040 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:08,040 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:08,040 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:08,041 INFO L185 CegarLoopUtils]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:08,041 INFO L185 CegarLoopUtils]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:08,041 INFO L185 CegarLoopUtils]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:08,041 INFO L185 CegarLoopUtils]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:08,041 INFO L185 CegarLoopUtils]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:08,041 INFO L185 CegarLoopUtils]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-12-23 09:21:08,041 INFO L185 CegarLoopUtils]: At program point L885-2(lines 885 899) the Hoare annotation is: false [2020-12-23 09:21:08,041 INFO L189 CegarLoopUtils]: For program point L886(line 886) no Hoare annotation was computed. [2020-12-23 09:21:08,042 INFO L185 CegarLoopUtils]: At program point L589(lines 589 595) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:08,042 INFO L185 CegarLoopUtils]: At program point L589-1(lines 589 595) the Hoare annotation is: false [2020-12-23 09:21:08,042 INFO L185 CegarLoopUtils]: At program point L589-2(lines 589 595) the Hoare annotation is: false [2020-12-23 09:21:08,042 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:21:08,042 INFO L185 CegarLoopUtils]: At program point L525(lines 520 527) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:21:08,042 INFO L189 CegarLoopUtils]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-12-23 09:21:08,043 INFO L189 CegarLoopUtils]: For program point L889-1(lines 889 893) no Hoare annotation was computed. [2020-12-23 09:21:08,043 INFO L189 CegarLoopUtils]: For program point L791(lines 791 797) no Hoare annotation was computed. [2020-12-23 09:21:08,043 INFO L185 CegarLoopUtils]: At program point L791-1(lines 791 797) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-23 09:21:08,043 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:21:08,043 INFO L189 CegarLoopUtils]: For program point L957(lines 957 964) no Hoare annotation was computed. [2020-12-23 09:21:08,043 INFO L192 CegarLoopUtils]: At program point L957-1(lines 957 964) the Hoare annotation is: true [2020-12-23 09:21:08,043 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759-2(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759-3(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759-5(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759-6(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759-8(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759-9(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,044 INFO L189 CegarLoopUtils]: For program point L759-11(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L759-12(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L759-14(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L759-15(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L759-17(lines 759 763) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:08,045 INFO L189 CegarLoopUtils]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:08,046 INFO L189 CegarLoopUtils]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:08,046 INFO L189 CegarLoopUtils]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-12-23 09:21:08,046 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-23 09:21:08,046 INFO L185 CegarLoopUtils]: At program point L827(lines 780 828) the Hoare annotation is: false [2020-12-23 09:21:08,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:21:08 BoogieIcfgContainer [2020-12-23 09:21:08,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:21:08,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:21:08,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:21:08,098 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:21:08,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:21:01" (3/4) ... [2020-12-23 09:21:08,107 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:21:08,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:21:08,158 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:21:08,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:21:08,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:21:08,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:21:08,164 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:08,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:21:08,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:08,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:08,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-23 09:21:08,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 <= pumpRunning && tmp == 1) && tmp <= 2) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:08,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:08,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-23 09:21:08,200 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:08,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-23 09:21:08,329 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product45.cil.c-witness.graphml [2020-12-23 09:21:08,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:21:08,331 INFO L168 Benchmark]: Toolchain (without parser) took 9075.93 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 125.7 MB in the beginning and 146.8 MB in the end (delta: -21.1 MB). Peak memory consumption was 46.8 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:08,332 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:21:08,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 103.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:08,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.98 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 98.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:08,333 INFO L168 Benchmark]: Boogie Preprocessor took 83.70 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 132.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:08,333 INFO L168 Benchmark]: RCFGBuilder took 1282.97 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 64.5 MB in the end (delta: 67.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:08,334 INFO L168 Benchmark]: TraceAbstraction took 6523.30 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 64.0 MB in the beginning and 158.9 MB in the end (delta: -94.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:08,334 INFO L168 Benchmark]: Witness Printer took 232.02 ms. Allocated memory is still 218.1 MB. Free memory was 158.9 MB in the beginning and 146.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:21:08,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 777.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 103.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 156.98 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 98.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 83.70 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 132.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1282.97 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 64.5 MB in the end (delta: 67.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6523.30 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 64.0 MB in the beginning and 158.9 MB in the end (delta: -94.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * Witness Printer took 232.02 ms. Allocated memory is still 218.1 MB. Free memory was 158.9 MB in the beginning and 146.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: 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: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((1 <= pumpRunning && tmp == 1) && tmp <= 2) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1100 SDtfs, 1494 SDslu, 1466 SDs, 0 SdLazy, 256 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 449 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 155 NumberOfFragments, 851 HoareAnnotationTreeSize, 61 FomulaSimplifications, 44259 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2332 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 33569 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 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...