java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:34,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:34,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:34,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:34,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:34,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:34,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:34,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:34,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:34,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:34,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:34,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:34,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:34,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:34,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:34,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:34,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:34,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:34,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:34,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:34,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:34,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:34,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:34,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:34,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:34,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:34,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:34,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:34,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:34,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:34,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:34,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:34,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:34,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:34,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:34,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:34,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:34,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:34,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:34,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:34,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:34,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:34,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:34,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:34,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:34,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:34,470 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:34,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:34,471 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:34,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:34,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:34,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:34,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:34,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:34,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:34,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:34,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:34,473 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:34,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:34,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:34,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:34,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:34,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:34,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:34,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:34,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:34,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:34,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:34,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:34,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:34,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:34,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:34,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:34,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:34,764 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:34,765 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:34,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-10-07 15:20:34,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d29e59c/3b5d3bd1850d4cdbaa275dd68752c417/FLAGda5454a5c [2019-10-07 15:20:35,305 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:35,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product13.cil.c [2019-10-07 15:20:35,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d29e59c/3b5d3bd1850d4cdbaa275dd68752c417/FLAGda5454a5c [2019-10-07 15:20:35,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d29e59c/3b5d3bd1850d4cdbaa275dd68752c417 [2019-10-07 15:20:35,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:35,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:35,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:35,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:35,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:35,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:35" (1/1) ... [2019-10-07 15:20:35,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:35, skipping insertion in model container [2019-10-07 15:20:35,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:35" (1/1) ... [2019-10-07 15:20:35,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:35,730 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:36,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:36,148 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:36,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:36,273 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:36,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36 WrapperNode [2019-10-07 15:20:36,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:36,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:36,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:36,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:36,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:36,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:36,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:36,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:36,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-07 15:20:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:36,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:36,491 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:20:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:36,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:36,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:36,502 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:36,502 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:36,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:36,514 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:20:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:36,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:38,016 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:38,016 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:38,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:38 BoogieIcfgContainer [2019-10-07 15:20:38,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:38,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:38,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:38,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:38,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:35" (1/3) ... [2019-10-07 15:20:38,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d011e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:38, skipping insertion in model container [2019-10-07 15:20:38,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36" (2/3) ... [2019-10-07 15:20:38,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d011e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:38, skipping insertion in model container [2019-10-07 15:20:38,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:38" (3/3) ... [2019-10-07 15:20:38,028 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2019-10-07 15:20:38,038 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:38,049 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:38,061 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:38,100 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:38,100 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:38,101 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:38,101 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:38,101 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:38,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:38,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:38,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-10-07 15:20:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:38,148 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:38,150 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:38,153 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:38,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:38,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1904986549, now seen corresponding path program 1 times [2019-10-07 15:20:38,172 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:38,173 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:38,173 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:38,175 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:38,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:38,562 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:38,563 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:38,564 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:38,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:38,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:38,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:38,592 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-10-07 15:20:38,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:38,653 INFO L93 Difference]: Finished difference Result 188 states and 227 transitions. [2019-10-07 15:20:38,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:38,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:38,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:38,670 INFO L225 Difference]: With dead ends: 188 [2019-10-07 15:20:38,671 INFO L226 Difference]: Without dead ends: 96 [2019-10-07 15:20:38,680 INFO L606 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 [2019-10-07 15:20:38,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-07 15:20:38,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-07 15:20:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-07 15:20:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2019-10-07 15:20:38,754 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2019-10-07 15:20:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:38,755 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2019-10-07 15:20:38,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2019-10-07 15:20:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:38,759 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:38,759 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:38,759 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:38,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:38,760 INFO L82 PathProgramCache]: Analyzing trace with hash -120690570, now seen corresponding path program 1 times [2019-10-07 15:20:38,760 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:38,760 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:38,761 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:38,761 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:38,953 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:38,953 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:38,954 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:38,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:38,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:38,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:38,957 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 3 states. [2019-10-07 15:20:38,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:38,990 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2019-10-07 15:20:38,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:38,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:38,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:38,993 INFO L225 Difference]: With dead ends: 146 [2019-10-07 15:20:38,994 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:20:38,995 INFO L606 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 [2019-10-07 15:20:38,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:20:39,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:20:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:20:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-10-07 15:20:39,008 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 53 [2019-10-07 15:20:39,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:39,009 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-10-07 15:20:39,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-10-07 15:20:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:20:39,012 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:39,012 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:39,012 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:39,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:39,013 INFO L82 PathProgramCache]: Analyzing trace with hash 552226031, now seen corresponding path program 1 times [2019-10-07 15:20:39,013 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:39,013 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,013 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,014 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:39,169 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,170 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:39,170 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:39,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:39,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:39,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:39,171 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 7 states. [2019-10-07 15:20:39,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:39,470 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-10-07 15:20:39,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:39,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-07 15:20:39,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:39,473 INFO L225 Difference]: With dead ends: 151 [2019-10-07 15:20:39,473 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:20:39,476 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:20:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:20:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:20:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-10-07 15:20:39,500 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 55 [2019-10-07 15:20:39,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:39,502 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-10-07 15:20:39,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-10-07 15:20:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:20:39,507 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:39,507 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:39,508 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:39,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:39,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1642906382, now seen corresponding path program 1 times [2019-10-07 15:20:39,510 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:39,511 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,511 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,511 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:39,671 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,672 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:39,672 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:39,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:39,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:39,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:39,673 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 7 states. [2019-10-07 15:20:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,014 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-10-07 15:20:40,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:40,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-10-07 15:20:40,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,016 INFO L225 Difference]: With dead ends: 133 [2019-10-07 15:20:40,016 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:40,017 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:40,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:40,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-07 15:20:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,018 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:40,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:40,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:40,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:40,498 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-10-07 15:20:40,499 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-10-07 15:20:40,500 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-10-07 15:20:40,500 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-10-07 15:20:40,500 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-07 15:20:40,500 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-07 15:20:40,500 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:20:40,501 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:20:40,501 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:20:40,501 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:20:40,501 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 448 455) the Hoare annotation is: true [2019-10-07 15:20:40,501 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2019-10-07 15:20:40,501 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 456 465) the Hoare annotation is: true [2019-10-07 15:20:40,501 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-07 15:20:40,501 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 456 465) no Hoare annotation was computed. [2019-10-07 15:20:40,502 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,502 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-07 15:20:40,502 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 488) no Hoare annotation was computed. [2019-10-07 15:20:40,502 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-10-07 15:20:40,502 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-10-07 15:20:40,502 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 491) no Hoare annotation was computed. [2019-10-07 15:20:40,502 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2019-10-07 15:20:40,503 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-10-07 15:20:40,503 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-10-07 15:20:40,503 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 466 494) the Hoare annotation is: true [2019-10-07 15:20:40,503 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 466 494) no Hoare annotation was computed. [2019-10-07 15:20:40,503 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,503 INFO L439 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,504 INFO L439 ceAbstractionStarter]: At program point L672-1(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,504 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 666 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,504 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 666 688) no Hoare annotation was computed. [2019-10-07 15:20:40,504 INFO L439 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:40,504 INFO L439 ceAbstractionStarter]: At program point L678-1(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:40,504 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 683) no Hoare annotation was computed. [2019-10-07 15:20:40,504 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 683) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point L641(line 641) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 623 646) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-07 15:20:40,505 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 623 646) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 623 646) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2019-10-07 15:20:40,506 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-07 15:20:40,507 INFO L443 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2019-10-07 15:20:40,507 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-07 15:20:40,507 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 722 728) no Hoare annotation was computed. [2019-10-07 15:20:40,507 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 722 728) the Hoare annotation is: true [2019-10-07 15:20:40,507 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 755 762) no Hoare annotation was computed. [2019-10-07 15:20:40,507 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 755 762) no Hoare annotation was computed. [2019-10-07 15:20:40,507 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2019-10-07 15:20:40,507 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 808 843) no Hoare annotation was computed. [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 808 843) no Hoare annotation was computed. [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:20:40,508 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-10-07 15:20:40,508 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-10-07 15:20:40,509 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-10-07 15:20:40,509 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 655 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,509 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 655 665) no Hoare annotation was computed. [2019-10-07 15:20:40,509 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 655 665) no Hoare annotation was computed. [2019-10-07 15:20:40,509 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,509 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 788 798) the Hoare annotation is: true [2019-10-07 15:20:40,509 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 788 798) no Hoare annotation was computed. [2019-10-07 15:20:40,510 INFO L446 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2019-10-07 15:20:40,510 INFO L443 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2019-10-07 15:20:40,510 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 780 787) the Hoare annotation is: true [2019-10-07 15:20:40,510 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2019-10-07 15:20:40,510 INFO L439 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,510 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-10-07 15:20:40,510 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-10-07 15:20:40,510 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2019-10-07 15:20:40,511 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,511 INFO L439 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,511 INFO L443 ceAbstractionStarter]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2019-10-07 15:20:40,511 INFO L439 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,511 INFO L439 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,511 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 746) no Hoare annotation was computed. [2019-10-07 15:20:40,511 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-10-07 15:20:40,511 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2019-10-07 15:20:40,512 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 845 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,512 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 845 908) no Hoare annotation was computed. [2019-10-07 15:20:40,512 INFO L439 ceAbstractionStarter]: At program point L901(lines 854 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,512 INFO L439 ceAbstractionStarter]: At program point L891-2(lines 885 896) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,512 INFO L443 ceAbstractionStarter]: For program point L856(lines 855 900) no Hoare annotation was computed. [2019-10-07 15:20:40,512 INFO L439 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,512 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 881) no Hoare annotation was computed. [2019-10-07 15:20:40,512 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2019-10-07 15:20:40,513 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,513 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 845 908) no Hoare annotation was computed. [2019-10-07 15:20:40,513 INFO L439 ceAbstractionStarter]: At program point L898(lines 855 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,513 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-07 15:20:40,513 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-07 15:20:40,513 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 548 570) no Hoare annotation was computed. [2019-10-07 15:20:40,513 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 548 570) no Hoare annotation was computed. [2019-10-07 15:20:40,513 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-10-07 15:20:40,514 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-10-07 15:20:40,515 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-07 15:20:40,515 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-07 15:20:40,515 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-10-07 15:20:40,515 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-07 15:20:40,515 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-10-07 15:20:40,515 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:40,515 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:40,515 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 763 779) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 763 779) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 763 779) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 571 579) the Hoare annotation is: true [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 571 579) no Hoare annotation was computed. [2019-10-07 15:20:40,516 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:40,517 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:40,517 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 527 538) the Hoare annotation is: true [2019-10-07 15:20:40,517 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 527 538) no Hoare annotation was computed. [2019-10-07 15:20:40,517 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 539 547) the Hoare annotation is: true [2019-10-07 15:20:40,517 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 539 547) no Hoare annotation was computed. [2019-10-07 15:20:40,517 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,517 INFO L443 ceAbstractionStarter]: For program point L702(lines 698 720) no Hoare annotation was computed. [2019-10-07 15:20:40,518 INFO L443 ceAbstractionStarter]: For program point L700(lines 698 720) no Hoare annotation was computed. [2019-10-07 15:20:40,518 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 695 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,518 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 695 721) no Hoare annotation was computed. [2019-10-07 15:20:40,518 INFO L439 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,518 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 695 721) no Hoare annotation was computed. [2019-10-07 15:20:40,518 INFO L439 ceAbstractionStarter]: At program point L709(lines 709 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:40,518 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 592 621) no Hoare annotation was computed. [2019-10-07 15:20:40,518 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-10-07 15:20:40,519 INFO L446 ceAbstractionStarter]: At program point L606-1(lines 606 610) the Hoare annotation is: true [2019-10-07 15:20:40,519 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 592 621) the Hoare annotation is: true [2019-10-07 15:20:40,519 INFO L446 ceAbstractionStarter]: At program point L602-2(lines 602 616) the Hoare annotation is: true [2019-10-07 15:20:40,519 INFO L446 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2019-10-07 15:20:40,519 INFO L443 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2019-10-07 15:20:40,519 INFO L446 ceAbstractionStarter]: At program point L617(lines 592 621) the Hoare annotation is: true [2019-10-07 15:20:40,519 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-07 15:20:40,519 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 503 514) the Hoare annotation is: true [2019-10-07 15:20:40,520 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 503 514) no Hoare annotation was computed. [2019-10-07 15:20:40,520 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 647 653) no Hoare annotation was computed. [2019-10-07 15:20:40,520 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 647 653) the Hoare annotation is: true [2019-10-07 15:20:40,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:40,520 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:40,520 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:40,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:40,520 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 515 526) no Hoare annotation was computed. [2019-10-07 15:20:40,521 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 515 526) the Hoare annotation is: true [2019-10-07 15:20:40,521 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2019-10-07 15:20:40,521 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2019-10-07 15:20:40,521 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2019-10-07 15:20:40,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:40 BoogieIcfgContainer [2019-10-07 15:20:40,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:40,537 INFO L168 Benchmark]: Toolchain (without parser) took 4878.47 ms. Allocated memory was 137.4 MB in the beginning and 248.5 MB in the end (delta: 111.1 MB). Free memory was 99.7 MB in the beginning and 188.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:40,538 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:40,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.11 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 168.3 MB in the end (delta: -68.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:40,540 INFO L168 Benchmark]: Boogie Preprocessor took 132.12 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:40,542 INFO L168 Benchmark]: RCFGBuilder took 1607.91 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 149.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:40,543 INFO L168 Benchmark]: TraceAbstraction took 2514.99 ms. Allocated memory was 232.8 MB in the beginning and 248.5 MB in the end (delta: 15.7 MB). Free memory was 149.2 MB in the beginning and 188.3 MB in the end (delta: -39.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:40,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.11 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 168.3 MB in the end (delta: -68.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.12 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1607.91 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.0 MB in the beginning and 149.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2514.99 ms. Allocated memory was 232.8 MB in the beginning and 248.5 MB in the end (delta: 15.7 MB). Free memory was 149.2 MB in the beginning and 188.3 MB in the end (delta: -39.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 363 SDtfs, 149 SDslu, 367 SDs, 0 SdLazy, 253 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...