/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_spec2_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:11:57,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:11:57,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:11:57,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:11:57,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:11:57,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:11:57,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:11:57,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:11:57,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:11:57,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:11:57,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:11:57,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:11:57,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:11:57,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:11:57,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:11:57,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:11:57,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:11:57,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:11:57,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:11:57,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:11:57,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:11:57,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:11:57,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:11:57,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:11:57,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:11:57,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:11:57,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:11:57,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:11:57,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:11:57,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:11:57,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:11:57,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:11:57,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:11:57,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:11:57,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:11:57,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:11:57,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:11:57,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:11:57,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:11:57,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:11:57,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:11:57,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:11:57,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:11:57,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:11:57,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:11:57,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:11:57,437 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:11:57,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:11:57,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:11:57,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:11:57,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:11:57,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:11:57,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:11:57,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:11:57,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:11:57,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:11:57,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:11:57,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:11:57,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:11:57,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:57,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:11:57,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:11:57,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:11:57,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:11:57,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:11:57,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:11:57,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:11:57,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:11:57,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:11:57,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:11:57,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:11:57,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:11:57,921 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:11:57,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-01-06 19:11:58,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/41170d4dd/bbedc03759eb4769b922b6c08e50c5f7/FLAGd7c4a115e [2021-01-06 19:11:58,717 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:11:58,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-01-06 19:11:58,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/41170d4dd/bbedc03759eb4769b922b6c08e50c5f7/FLAGd7c4a115e [2021-01-06 19:11:59,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/41170d4dd/bbedc03759eb4769b922b6c08e50c5f7 [2021-01-06 19:11:59,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:11:59,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:11:59,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:59,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:11:59,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:11:59,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba104a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59, skipping insertion in model container [2021-01-06 19:11:59,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:11:59,130 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,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2021-01-06 19:11:59,346 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_spec2_product60.cil.c[2917,2930] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~7,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] [2021-01-06 19:11:59,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:59,553 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,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2021-01-06 19:11:59,609 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_spec2_product60.cil.c[2917,2930] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~7,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methAndRunningLastTime~0,GLOBAL] [2021-01-06 19:11:59,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:11:59,716 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:11:59,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59 WrapperNode [2021-01-06 19:11:59,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:11:59,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:59,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:11:59,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:11:59,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:11:59,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:11:59,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:11:59,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:11:59,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... [2021-01-06 19:11:59,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:11:59,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:11:59,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:11:59,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:11:59,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:11:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:01,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:01,232 INFO L299 CfgBuilder]: Removed 200 assume(true) statements. [2021-01-06 19:12:01,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:01 BoogieIcfgContainer [2021-01-06 19:12:01,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:01,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:01,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:01,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:01,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:11:59" (1/3) ... [2021-01-06 19:12:01,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f403bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:01, skipping insertion in model container [2021-01-06 19:12:01,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:11:59" (2/3) ... [2021-01-06 19:12:01,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f403bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:01, skipping insertion in model container [2021-01-06 19:12:01,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:01" (3/3) ... [2021-01-06 19:12:01,245 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2021-01-06 19:12:01,252 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:01,258 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:01,279 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:01,320 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:01,320 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:01,320 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:01,320 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:01,320 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:01,321 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:01,321 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:01,321 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2021-01-06 19:12:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:01,349 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:01,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:01,351 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:01,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:01,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2021-01-06 19:12:01,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:01,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677841360] [2021-01-06 19:12:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:01,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677841360] [2021-01-06 19:12:01,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:01,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:01,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930135130] [2021-01-06 19:12:01,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:01,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:01,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:01,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:01,830 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2021-01-06 19:12:01,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:01,872 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2021-01-06 19:12:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:01,874 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:01,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:01,888 INFO L225 Difference]: With dead ends: 275 [2021-01-06 19:12:01,888 INFO L226 Difference]: Without dead ends: 137 [2021-01-06 19:12:01,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:01,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-01-06 19:12:01,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-01-06 19:12:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2021-01-06 19:12:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2021-01-06 19:12:01,953 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2021-01-06 19:12:01,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:01,953 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2021-01-06 19:12:01,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2021-01-06 19:12:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:01,955 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:01,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:01,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:01,956 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:01,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:01,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2021-01-06 19:12:01,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:01,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450249071] [2021-01-06 19:12:01,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:02,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450249071] [2021-01-06 19:12:02,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:02,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:02,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322876674] [2021-01-06 19:12:02,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:02,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:02,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:02,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:02,156 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2021-01-06 19:12:02,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:02,173 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2021-01-06 19:12:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:02,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:02,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:02,175 INFO L225 Difference]: With dead ends: 137 [2021-01-06 19:12:02,175 INFO L226 Difference]: Without dead ends: 57 [2021-01-06 19:12:02,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:02,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-01-06 19:12:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-01-06 19:12:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-01-06 19:12:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-01-06 19:12:02,185 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-01-06 19:12:02,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:02,186 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-01-06 19:12:02,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-01-06 19:12:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:02,187 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:02,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:02,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:02,188 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:02,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:02,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2021-01-06 19:12:02,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:02,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328108234] [2021-01-06 19:12:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:02,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328108234] [2021-01-06 19:12:02,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:02,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:02,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242661142] [2021-01-06 19:12:02,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:02,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:02,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:02,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:02,275 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2021-01-06 19:12:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:02,319 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2021-01-06 19:12:02,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:02,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:12:02,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:02,322 INFO L225 Difference]: With dead ends: 157 [2021-01-06 19:12:02,322 INFO L226 Difference]: Without dead ends: 107 [2021-01-06 19:12:02,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:02,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-01-06 19:12:02,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2021-01-06 19:12:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-01-06 19:12:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2021-01-06 19:12:02,337 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2021-01-06 19:12:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:02,337 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2021-01-06 19:12:02,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2021-01-06 19:12:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:12:02,339 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:02,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:02,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:02,340 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2021-01-06 19:12:02,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:02,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208169420] [2021-01-06 19:12:02,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:02,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208169420] [2021-01-06 19:12:02,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:02,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:02,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968677803] [2021-01-06 19:12:02,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:02,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:02,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:02,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:02,415 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2021-01-06 19:12:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:02,456 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2021-01-06 19:12:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:02,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-01-06 19:12:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:02,458 INFO L225 Difference]: With dead ends: 242 [2021-01-06 19:12:02,458 INFO L226 Difference]: Without dead ends: 146 [2021-01-06 19:12:02,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:02,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-01-06 19:12:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2021-01-06 19:12:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-01-06 19:12:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2021-01-06 19:12:02,476 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2021-01-06 19:12:02,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:02,476 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2021-01-06 19:12:02,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:02,477 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2021-01-06 19:12:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-01-06 19:12:02,478 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:02,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:02,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:02,478 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:02,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:02,479 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2021-01-06 19:12:02,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:02,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927622839] [2021-01-06 19:12:02,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:02,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927622839] [2021-01-06 19:12:02,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:02,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:02,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216016257] [2021-01-06 19:12:02,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:02,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:02,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:02,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:02,634 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2021-01-06 19:12:02,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:02,784 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2021-01-06 19:12:02,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:12:02,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-01-06 19:12:02,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:02,789 INFO L225 Difference]: With dead ends: 756 [2021-01-06 19:12:02,790 INFO L226 Difference]: Without dead ends: 619 [2021-01-06 19:12:02,799 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 [2021-01-06 19:12:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-01-06 19:12:02,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2021-01-06 19:12:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2021-01-06 19:12:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2021-01-06 19:12:02,836 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2021-01-06 19:12:02,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:02,837 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2021-01-06 19:12:02,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2021-01-06 19:12:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-01-06 19:12:02,839 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:02,839 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] [2021-01-06 19:12:02,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:02,839 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:02,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:02,840 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2021-01-06 19:12:02,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:02,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867574135] [2021-01-06 19:12:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:02,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867574135] [2021-01-06 19:12:02,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:02,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:02,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230298983] [2021-01-06 19:12:02,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:02,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:02,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:02,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:02,909 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2021-01-06 19:12:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:03,092 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2021-01-06 19:12:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:12:03,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-01-06 19:12:03,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:03,098 INFO L225 Difference]: With dead ends: 1029 [2021-01-06 19:12:03,098 INFO L226 Difference]: Without dead ends: 769 [2021-01-06 19:12:03,101 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 [2021-01-06 19:12:03,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2021-01-06 19:12:03,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2021-01-06 19:12:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2021-01-06 19:12:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2021-01-06 19:12:03,156 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2021-01-06 19:12:03,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:03,156 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2021-01-06 19:12:03,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2021-01-06 19:12:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-06 19:12:03,164 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:03,164 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] [2021-01-06 19:12:03,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:12:03,165 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:03,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:03,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2021-01-06 19:12:03,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:03,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386276816] [2021-01-06 19:12:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:03,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386276816] [2021-01-06 19:12:03,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:03,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:03,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712339684] [2021-01-06 19:12:03,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:03,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:03,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:03,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:03,264 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 5 states. [2021-01-06 19:12:03,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:03,422 INFO L93 Difference]: Finished difference Result 1031 states and 1462 transitions. [2021-01-06 19:12:03,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:12:03,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-01-06 19:12:03,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:03,429 INFO L225 Difference]: With dead ends: 1031 [2021-01-06 19:12:03,430 INFO L226 Difference]: Without dead ends: 773 [2021-01-06 19:12:03,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:12:03,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2021-01-06 19:12:03,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 281. [2021-01-06 19:12:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2021-01-06 19:12:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2021-01-06 19:12:03,474 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2021-01-06 19:12:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:03,474 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2021-01-06 19:12:03,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2021-01-06 19:12:03,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-06 19:12:03,477 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:03,477 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] [2021-01-06 19:12:03,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:12:03,478 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:03,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:03,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2021-01-06 19:12:03,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:03,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516714717] [2021-01-06 19:12:03,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:03,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516714717] [2021-01-06 19:12:03,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:03,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:03,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336108240] [2021-01-06 19:12:03,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:03,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:03,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:03,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:03,567 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2021-01-06 19:12:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:03,689 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2021-01-06 19:12:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:03,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-01-06 19:12:03,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:03,694 INFO L225 Difference]: With dead ends: 735 [2021-01-06 19:12:03,694 INFO L226 Difference]: Without dead ends: 461 [2021-01-06 19:12:03,695 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 [2021-01-06 19:12:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-01-06 19:12:03,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2021-01-06 19:12:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2021-01-06 19:12:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2021-01-06 19:12:03,729 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2021-01-06 19:12:03,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:03,730 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2021-01-06 19:12:03,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2021-01-06 19:12:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-06 19:12:03,731 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:03,731 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] [2021-01-06 19:12:03,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:12:03,732 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:03,732 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2021-01-06 19:12:03,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:03,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534935447] [2021-01-06 19:12:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:03,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534935447] [2021-01-06 19:12:03,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:03,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:03,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303981588] [2021-01-06 19:12:03,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:03,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:03,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:03,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:03,802 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2021-01-06 19:12:03,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:03,859 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2021-01-06 19:12:03,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:03,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-01-06 19:12:03,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:03,863 INFO L225 Difference]: With dead ends: 707 [2021-01-06 19:12:03,863 INFO L226 Difference]: Without dead ends: 409 [2021-01-06 19:12:03,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-01-06 19:12:03,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2021-01-06 19:12:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2021-01-06 19:12:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2021-01-06 19:12:03,909 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2021-01-06 19:12:03,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:03,909 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2021-01-06 19:12:03,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2021-01-06 19:12:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-01-06 19:12:03,910 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:03,911 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] [2021-01-06 19:12:03,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:12:03,911 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:03,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:03,912 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2021-01-06 19:12:03,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:03,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289925476] [2021-01-06 19:12:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:03,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289925476] [2021-01-06 19:12:03,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:03,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:12:03,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017377273] [2021-01-06 19:12:03,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:03,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:03,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:03,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:03,981 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2021-01-06 19:12:04,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:04,282 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2021-01-06 19:12:04,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 19:12:04,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-01-06 19:12:04,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:04,288 INFO L225 Difference]: With dead ends: 1257 [2021-01-06 19:12:04,288 INFO L226 Difference]: Without dead ends: 855 [2021-01-06 19:12:04,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-01-06 19:12:04,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-01-06 19:12:04,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2021-01-06 19:12:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2021-01-06 19:12:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2021-01-06 19:12:04,366 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2021-01-06 19:12:04,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:04,367 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2021-01-06 19:12:04,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2021-01-06 19:12:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 19:12:04,369 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:04,369 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2021-01-06 19:12:04,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:12:04,369 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:04,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:04,370 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2021-01-06 19:12:04,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:04,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405947878] [2021-01-06 19:12:04,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:12:04,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405947878] [2021-01-06 19:12:04,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:04,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:04,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007747637] [2021-01-06 19:12:04,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:04,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:04,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:04,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:04,419 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2021-01-06 19:12:04,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:04,518 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2021-01-06 19:12:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:04,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2021-01-06 19:12:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:04,521 INFO L225 Difference]: With dead ends: 692 [2021-01-06 19:12:04,522 INFO L226 Difference]: Without dead ends: 290 [2021-01-06 19:12:04,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:04,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-01-06 19:12:04,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2021-01-06 19:12:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-01-06 19:12:04,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2021-01-06 19:12:04,557 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2021-01-06 19:12:04,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:04,558 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2021-01-06 19:12:04,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2021-01-06 19:12:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 19:12:04,559 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:04,559 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-01-06 19:12:04,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:12:04,560 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:04,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:04,560 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2021-01-06 19:12:04,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:04,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075692031] [2021-01-06 19:12:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:04,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075692031] [2021-01-06 19:12:04,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:04,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:04,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072923433] [2021-01-06 19:12:04,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:04,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:04,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:04,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:04,648 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2021-01-06 19:12:04,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:04,708 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2021-01-06 19:12:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:04,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 19:12:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:04,711 INFO L225 Difference]: With dead ends: 413 [2021-01-06 19:12:04,712 INFO L226 Difference]: Without dead ends: 411 [2021-01-06 19:12:04,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:04,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-01-06 19:12:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2021-01-06 19:12:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2021-01-06 19:12:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2021-01-06 19:12:04,749 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2021-01-06 19:12:04,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:04,749 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2021-01-06 19:12:04,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2021-01-06 19:12:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 19:12:04,751 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:04,751 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:04,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 19:12:04,752 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:04,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:04,752 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2021-01-06 19:12:04,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:04,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529538493] [2021-01-06 19:12:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:12:04,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529538493] [2021-01-06 19:12:04,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:04,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:04,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043558275] [2021-01-06 19:12:04,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:04,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:04,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:04,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:04,908 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2021-01-06 19:12:05,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:05,194 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2021-01-06 19:12:05,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:05,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 19:12:05,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:05,199 INFO L225 Difference]: With dead ends: 845 [2021-01-06 19:12:05,199 INFO L226 Difference]: Without dead ends: 632 [2021-01-06 19:12:05,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:05,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-01-06 19:12:05,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2021-01-06 19:12:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-06 19:12:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2021-01-06 19:12:05,255 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2021-01-06 19:12:05,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:05,256 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2021-01-06 19:12:05,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2021-01-06 19:12:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 19:12:05,258 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:05,258 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2021-01-06 19:12:05,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:12:05,259 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:05,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:05,259 INFO L82 PathProgramCache]: Analyzing trace with hash -270237087, now seen corresponding path program 1 times [2021-01-06 19:12:05,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:05,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054945772] [2021-01-06 19:12:05,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:05,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054945772] [2021-01-06 19:12:05,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994859862] [2021-01-06 19:12:05,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:12:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:05,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 19:12:05,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:12:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:05,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:12:05,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 19:12:05,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721584581] [2021-01-06 19:12:05,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:05,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:05,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:05,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:05,691 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2021-01-06 19:12:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:05,960 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2021-01-06 19:12:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:12:05,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2021-01-06 19:12:05,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:05,965 INFO L225 Difference]: With dead ends: 1262 [2021-01-06 19:12:05,966 INFO L226 Difference]: Without dead ends: 867 [2021-01-06 19:12:05,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:05,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-01-06 19:12:06,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2021-01-06 19:12:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2021-01-06 19:12:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2021-01-06 19:12:06,110 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2021-01-06 19:12:06,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:06,111 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2021-01-06 19:12:06,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2021-01-06 19:12:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 19:12:06,119 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:06,120 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2021-01-06 19:12:06,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-01-06 19:12:06,335 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:06,337 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2021-01-06 19:12:06,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:06,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903949248] [2021-01-06 19:12:06,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:06,424 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-01-06 19:12:06,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903949248] [2021-01-06 19:12:06,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398788210] [2021-01-06 19:12:06,426 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:12:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:06,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 19:12:06,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:12:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 19:12:06,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 19:12:06,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-01-06 19:12:06,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021127871] [2021-01-06 19:12:06,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:06,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:06,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:06,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:12:06,723 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2021-01-06 19:12:06,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:06,878 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2021-01-06 19:12:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:06,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-01-06 19:12:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:06,883 INFO L225 Difference]: With dead ends: 1598 [2021-01-06 19:12:06,884 INFO L226 Difference]: Without dead ends: 748 [2021-01-06 19:12:06,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:12:06,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-01-06 19:12:06,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2021-01-06 19:12:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2021-01-06 19:12:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2021-01-06 19:12:06,948 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2021-01-06 19:12:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:06,948 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2021-01-06 19:12:06,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2021-01-06 19:12:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 19:12:06,950 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:06,950 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:07,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-01-06 19:12:07,165 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:07,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:07,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1612420545, now seen corresponding path program 2 times [2021-01-06 19:12:07,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:07,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313597460] [2021-01-06 19:12:07,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 19:12:07,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313597460] [2021-01-06 19:12:07,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:07,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:12:07,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856925520] [2021-01-06 19:12:07,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:07,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:07,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:07,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:07,285 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2021-01-06 19:12:07,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:07,810 INFO L93 Difference]: Finished difference Result 932 states and 1177 transitions. [2021-01-06 19:12:07,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:07,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 19:12:07,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:07,811 INFO L225 Difference]: With dead ends: 932 [2021-01-06 19:12:07,811 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:12:07,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:12:07,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:12:07,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:12:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:12:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:12:07,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-01-06 19:12:07,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:07,814 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:12:07,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:12:07,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:12:07,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 19:12:07,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:12:08,667 WARN L197 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 204 [2021-01-06 19:12:09,146 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 200 [2021-01-06 19:12:09,365 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2021-01-06 19:12:09,827 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 175 [2021-01-06 19:12:10,078 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 163 [2021-01-06 19:12:10,342 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 157 [2021-01-06 19:12:10,652 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 154 [2021-01-06 19:12:11,002 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2021-01-06 19:12:11,378 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 173 [2021-01-06 19:12:12,475 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2021-01-06 19:12:13,585 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2021-01-06 19:12:14,073 WARN L197 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2021-01-06 19:12:14,425 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 25 [2021-01-06 19:12:15,317 WARN L197 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 38 [2021-01-06 19:12:16,171 WARN L197 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 33 [2021-01-06 19:12:16,286 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2021-01-06 19:12:17,053 WARN L197 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2021-01-06 19:12:17,216 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2021-01-06 19:12:17,461 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2021-01-06 19:12:18,203 WARN L197 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 38 [2021-01-06 19:12:18,538 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2021-01-06 19:12:19,151 WARN L197 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2021-01-06 19:12:20,199 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2021-01-06 19:12:20,225 INFO L189 CegarLoopUtils]: For program point L960(lines 960 966) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L185 CegarLoopUtils]: At program point L960-1(lines 960 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point L927-2(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point L927-3(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point L927-5(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point L927-6(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point L927-8(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,226 INFO L189 CegarLoopUtils]: For program point L927-9(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,227 INFO L189 CegarLoopUtils]: For program point L927-11(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,227 INFO L189 CegarLoopUtils]: For program point L927-12(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,227 INFO L189 CegarLoopUtils]: For program point L927-14(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,227 INFO L189 CegarLoopUtils]: For program point L927-15(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,227 INFO L189 CegarLoopUtils]: For program point L927-17(lines 927 931) no Hoare annotation was computed. [2021-01-06 19:12:20,227 INFO L189 CegarLoopUtils]: For program point L333(lines 333 339) no Hoare annotation was computed. [2021-01-06 19:12:20,227 INFO L185 CegarLoopUtils]: At program point L333-1(lines 333 339) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3))) [2021-01-06 19:12:20,227 INFO L185 CegarLoopUtils]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-01-06 19:12:20,228 INFO L185 CegarLoopUtils]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse7 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4 .cse5))) [2021-01-06 19:12:20,228 INFO L185 CegarLoopUtils]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-01-06 19:12:20,228 INFO L185 CegarLoopUtils]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-01-06 19:12:20,228 INFO L185 CegarLoopUtils]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-01-06 19:12:20,228 INFO L189 CegarLoopUtils]: For program point L997(lines 997 1014) no Hoare annotation was computed. [2021-01-06 19:12:20,228 INFO L185 CegarLoopUtils]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-01-06 19:12:20,228 INFO L185 CegarLoopUtils]: At program point L997-1(lines 1 1017) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2021-01-06 19:12:20,228 INFO L189 CegarLoopUtils]: For program point L997-2(lines 997 1014) no Hoare annotation was computed. [2021-01-06 19:12:20,229 INFO L185 CegarLoopUtils]: At program point L997-3(lines 1 1017) the Hoare annotation is: false [2021-01-06 19:12:20,229 INFO L189 CegarLoopUtils]: For program point L997-4(lines 997 1014) no Hoare annotation was computed. [2021-01-06 19:12:20,229 INFO L185 CegarLoopUtils]: At program point L997-5(lines 1 1017) the Hoare annotation is: false [2021-01-06 19:12:20,229 INFO L185 CegarLoopUtils]: At program point L933(lines 918 936) the Hoare annotation is: false [2021-01-06 19:12:20,229 INFO L185 CegarLoopUtils]: At program point L933-1(lines 918 936) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2021-01-06 19:12:20,229 INFO L185 CegarLoopUtils]: At program point L933-2(lines 918 936) the Hoare annotation is: false [2021-01-06 19:12:20,229 INFO L185 CegarLoopUtils]: At program point L933-3(lines 918 936) the Hoare annotation is: false [2021-01-06 19:12:20,229 INFO L185 CegarLoopUtils]: At program point L933-4(lines 918 936) the Hoare annotation is: false [2021-01-06 19:12:20,230 INFO L185 CegarLoopUtils]: At program point L933-5(lines 918 936) the Hoare annotation is: false [2021-01-06 19:12:20,230 INFO L185 CegarLoopUtils]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2021-01-06 19:12:20,230 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-01-06 19:12:20,230 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2021-01-06 19:12:20,230 INFO L189 CegarLoopUtils]: For program point L1001(lines 1001 1011) no Hoare annotation was computed. [2021-01-06 19:12:20,230 INFO L189 CegarLoopUtils]: For program point L1001-2(lines 1001 1011) no Hoare annotation was computed. [2021-01-06 19:12:20,230 INFO L185 CegarLoopUtils]: At program point L869(lines 862 872) the Hoare annotation is: false [2021-01-06 19:12:20,230 INFO L189 CegarLoopUtils]: For program point L1001-4(lines 1001 1011) no Hoare annotation was computed. [2021-01-06 19:12:20,231 INFO L185 CegarLoopUtils]: At program point L869-1(lines 862 872) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2021-01-06 19:12:20,231 INFO L185 CegarLoopUtils]: At program point L869-2(lines 862 872) the Hoare annotation is: false [2021-01-06 19:12:20,231 INFO L185 CegarLoopUtils]: At program point L869-3(lines 862 872) the Hoare annotation is: false [2021-01-06 19:12:20,231 INFO L185 CegarLoopUtils]: At program point L869-4(lines 862 872) the Hoare annotation is: false [2021-01-06 19:12:20,231 INFO L185 CegarLoopUtils]: At program point L869-5(lines 862 872) the Hoare annotation is: false [2021-01-06 19:12:20,231 INFO L189 CegarLoopUtils]: For program point L1002(lines 1002 1008) no Hoare annotation was computed. [2021-01-06 19:12:20,231 INFO L189 CegarLoopUtils]: For program point L1002-2(lines 1002 1008) no Hoare annotation was computed. [2021-01-06 19:12:20,231 INFO L189 CegarLoopUtils]: For program point L1002-4(lines 1002 1008) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L189 CegarLoopUtils]: For program point L343(lines 343 358) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L189 CegarLoopUtils]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L189 CegarLoopUtils]: For program point L178-1(lines 749 755) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L189 CegarLoopUtils]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L189 CegarLoopUtils]: For program point L807(lines 807 824) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L189 CegarLoopUtils]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L189 CegarLoopUtils]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2021-01-06 19:12:20,232 INFO L185 CegarLoopUtils]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)))) [2021-01-06 19:12:20,232 INFO L185 CegarLoopUtils]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-01-06 19:12:20,233 INFO L185 CegarLoopUtils]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L314(lines 313 362) no Hoare annotation was computed. [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L811(lines 811 819) no Hoare annotation was computed. [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2021-01-06 19:12:20,233 INFO L189 CegarLoopUtils]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2021-01-06 19:12:20,234 INFO L189 CegarLoopUtils]: For program point L844-6(lines 844 850) no Hoare annotation was computed. [2021-01-06 19:12:20,234 INFO L189 CegarLoopUtils]: For program point L844-8(lines 844 850) no Hoare annotation was computed. [2021-01-06 19:12:20,234 INFO L189 CegarLoopUtils]: For program point L844-10(lines 844 850) no Hoare annotation was computed. [2021-01-06 19:12:20,234 INFO L185 CegarLoopUtils]: At program point L878(lines 873 881) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 .cse5))) [2021-01-06 19:12:20,234 INFO L185 CegarLoopUtils]: At program point L878-1(lines 873 881) the Hoare annotation is: false [2021-01-06 19:12:20,234 INFO L185 CegarLoopUtils]: At program point L878-2(lines 873 881) the Hoare annotation is: false [2021-01-06 19:12:20,234 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:12:20,234 INFO L189 CegarLoopUtils]: For program point L351(lines 351 357) no Hoare annotation was computed. [2021-01-06 19:12:20,235 INFO L185 CegarLoopUtils]: At program point L351-1(lines 749 755) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse3 .cse8))) [2021-01-06 19:12:20,235 INFO L189 CegarLoopUtils]: For program point L252(lines 252 259) no Hoare annotation was computed. [2021-01-06 19:12:20,235 INFO L192 CegarLoopUtils]: At program point L252-1(lines 252 259) the Hoare annotation is: true [2021-01-06 19:12:20,235 INFO L189 CegarLoopUtils]: For program point L946(lines 946 950) no Hoare annotation was computed. [2021-01-06 19:12:20,235 INFO L189 CegarLoopUtils]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2021-01-06 19:12:20,235 INFO L189 CegarLoopUtils]: For program point L946-3(lines 946 950) no Hoare annotation was computed. [2021-01-06 19:12:20,235 INFO L189 CegarLoopUtils]: For program point L781(lines 781 798) no Hoare annotation was computed. [2021-01-06 19:12:20,235 INFO L189 CegarLoopUtils]: For program point L946-5(lines 946 950) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L189 CegarLoopUtils]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L189 CegarLoopUtils]: For program point L946-6(lines 946 950) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L189 CegarLoopUtils]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L189 CegarLoopUtils]: For program point L781-3(lines 781 798) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L189 CegarLoopUtils]: For program point L946-8(lines 946 950) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L189 CegarLoopUtils]: For program point L781-4(lines 781 798) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L189 CegarLoopUtils]: For program point L781-5(lines 781 798) no Hoare annotation was computed. [2021-01-06 19:12:20,236 INFO L185 CegarLoopUtils]: At program point L749(lines 748 767) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse5 .cse6 .cse3 .cse2) (and .cse4 .cse1 .cse6 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2))) [2021-01-06 19:12:20,237 INFO L189 CegarLoopUtils]: For program point L749-1(lines 749 755) no Hoare annotation was computed. [2021-01-06 19:12:20,237 INFO L185 CegarLoopUtils]: At program point L749-2(lines 748 767) the Hoare annotation is: false [2021-01-06 19:12:20,237 INFO L185 CegarLoopUtils]: At program point L749-3(lines 748 767) the Hoare annotation is: false [2021-01-06 19:12:20,237 INFO L189 CegarLoopUtils]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-01-06 19:12:20,237 INFO L189 CegarLoopUtils]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-01-06 19:12:20,237 INFO L189 CegarLoopUtils]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-01-06 19:12:20,237 INFO L185 CegarLoopUtils]: At program point L288(lines 1 1017) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:20,237 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L185 CegarLoopUtils]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L157-1(line 157) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L157-2(line 157) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L785(lines 785 793) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L785-3(lines 785 793) no Hoare annotation was computed. [2021-01-06 19:12:20,238 INFO L189 CegarLoopUtils]: For program point L785-4(lines 785 793) no Hoare annotation was computed. [2021-01-06 19:12:20,239 INFO L189 CegarLoopUtils]: For program point L785-5(lines 785 793) no Hoare annotation was computed. [2021-01-06 19:12:20,239 INFO L189 CegarLoopUtils]: For program point L323(lines 323 329) no Hoare annotation was computed. [2021-01-06 19:12:20,239 INFO L185 CegarLoopUtils]: At program point L323-1(lines 323 329) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2021-01-06 19:12:20,239 INFO L185 CegarLoopUtils]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-01-06 19:12:20,239 INFO L185 CegarLoopUtils]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2021-01-06 19:12:20,239 INFO L185 CegarLoopUtils]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse1 .cse0 .cse2 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse3 .cse5) (and .cse7 .cse8 .cse6 .cse4 .cse5 .cse3) (and .cse7 .cse8 .cse1 .cse4 .cse3 .cse5))) [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse3 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse4))) [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L952-1(lines 937 955) the Hoare annotation is: false [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L952-2(lines 937 955) the Hoare annotation is: false [2021-01-06 19:12:20,240 INFO L185 CegarLoopUtils]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2021-01-06 19:12:20,241 INFO L185 CegarLoopUtils]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2021-01-06 19:12:20,241 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:12:20,241 INFO L185 CegarLoopUtils]: At program point L986(lines 981 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:20,241 INFO L185 CegarLoopUtils]: At program point L756(lines 756 762) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:12:20,241 INFO L185 CegarLoopUtils]: At program point L756-1(lines 756 762) the Hoare annotation is: false [2021-01-06 19:12:20,241 INFO L185 CegarLoopUtils]: At program point L756-2(lines 756 762) the Hoare annotation is: false [2021-01-06 19:12:20,241 INFO L192 CegarLoopUtils]: At program point L261(lines 242 264) the Hoare annotation is: true [2021-01-06 19:12:20,242 INFO L185 CegarLoopUtils]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-01-06 19:12:20,242 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:12:20,242 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2021-01-06 19:12:20,242 INFO L185 CegarLoopUtils]: At program point L363(lines 312 364) the Hoare annotation is: false [2021-01-06 19:12:20,242 INFO L189 CegarLoopUtils]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:12:20,242 INFO L189 CegarLoopUtils]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:12:20,242 INFO L189 CegarLoopUtils]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:12:20,242 INFO L189 CegarLoopUtils]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:12:20,242 INFO L189 CegarLoopUtils]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:12:20,243 INFO L189 CegarLoopUtils]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-01-06 19:12:20,243 INFO L189 CegarLoopUtils]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-01-06 19:12:20,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:20 BoogieIcfgContainer [2021-01-06 19:12:20,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:20,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:20,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:20,285 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:20,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:01" (3/4) ... [2021-01-06 19:12:20,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:12:20,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:12:20,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:12:20,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:12:20,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:12:20,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:12:20,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:20,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:20,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-01-06 19:12:20,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-01-06 19:12:20,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-01-06 19:12:20,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-01-06 19:12:20,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-01-06 19:12:20,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-01-06 19:12:20,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2021-01-06 19:12:20,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-01-06 19:12:20,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:20,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:20,505 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product60.cil.c-witness.graphml [2021-01-06 19:12:20,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:20,507 INFO L168 Benchmark]: Toolchain (without parser) took 21474.10 ms. Allocated memory was 159.4 MB in the beginning and 355.5 MB in the end (delta: 196.1 MB). Free memory was 132.8 MB in the beginning and 130.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 199.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:20,507 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 104.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:20,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.06 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 109.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:20,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.49 ms. Allocated memory is still 159.4 MB. Free memory was 109.9 MB in the beginning and 105.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:20,508 INFO L168 Benchmark]: Boogie Preprocessor took 78.22 ms. Allocated memory is still 159.4 MB. Free memory was 105.7 MB in the beginning and 138.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:20,509 INFO L168 Benchmark]: RCFGBuilder took 1351.29 ms. Allocated memory is still 159.4 MB. Free memory was 138.5 MB in the beginning and 69.3 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:20,509 INFO L168 Benchmark]: TraceAbstraction took 19047.96 ms. Allocated memory was 159.4 MB in the beginning and 355.5 MB in the end (delta: 196.1 MB). Free memory was 68.8 MB in the beginning and 142.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 144.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:20,509 INFO L168 Benchmark]: Witness Printer took 220.46 ms. Allocated memory is still 355.5 MB. Free memory was 142.6 MB in the beginning and 130.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:20,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 104.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 680.06 ms. Allocated memory is still 159.4 MB. Free memory was 132.7 MB in the beginning and 109.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 85.49 ms. Allocated memory is still 159.4 MB. Free memory was 109.9 MB in the beginning and 105.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 78.22 ms. Allocated memory is still 159.4 MB. Free memory was 105.7 MB in the beginning and 138.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1351.29 ms. Allocated memory is still 159.4 MB. Free memory was 138.5 MB in the beginning and 69.3 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19047.96 ms. Allocated memory was 159.4 MB in the beginning and 355.5 MB in the end (delta: 196.1 MB). Free memory was 68.8 MB in the beginning and 142.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 144.8 MB. Max. memory is 8.0 GB. * Witness Printer took 220.46 ms. Allocated memory is still 355.5 MB. Free memory was 142.6 MB in the beginning and 130.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: 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: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1900 SDtfs, 2603 SDslu, 3051 SDs, 0 SdLazy, 382 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 2654 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 275 NumberOfFragments, 1169 HoareAnnotationTreeSize, 57 FomulaSimplifications, 8489006 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 847955 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 89240 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 313/341 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...