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_spec1_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:08,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:08,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:08,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:08,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:08,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:08,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:08,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:08,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:08,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:08,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:08,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:08,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:08,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:08,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:08,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:08,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:08,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:08,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:08,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:08,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:08,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:08,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:08,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:08,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:08,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:08,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:08,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:08,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:08,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:08,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:08,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:08,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:08,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:08,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:08,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:08,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:08,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:08,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:08,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:08,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:08,458 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 [2019-10-13 23:14:08,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:08,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:08,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:08,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:08,484 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:08,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:08,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:08,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:08,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:08,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:08,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:08,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:08,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:08,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:08,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:08,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:08,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:08,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:08,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:08,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:08,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:08,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:08,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:08,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:08,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:08,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:08,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:08,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:08,494 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 [2019-10-13 23:14:08,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:08,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:08,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:08,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:08,762 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:08,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2019-10-13 23:14:08,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09faed6e/8d3f9cbc312f4b3a87370cc979e775f5/FLAG632e763f2 [2019-10-13 23:14:09,349 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:09,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2019-10-13 23:14:09,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09faed6e/8d3f9cbc312f4b3a87370cc979e775f5/FLAG632e763f2 [2019-10-13 23:14:09,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09faed6e/8d3f9cbc312f4b3a87370cc979e775f5 [2019-10-13 23:14:09,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:09,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:09,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:09,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:09,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:09,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:09" (1/1) ... [2019-10-13 23:14:09,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:09, skipping insertion in model container [2019-10-13 23:14:09,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:09" (1/1) ... [2019-10-13 23:14:09,699 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:09,756 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:10,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:10,165 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:10,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:10,277 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:10,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10 WrapperNode [2019-10-13 23:14:10,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:10,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:10,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:10,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:10,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:10,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:10,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:10,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:10,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (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 [2019-10-13 23:14:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:10,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:10,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:11,856 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:11,856 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:11,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:11 BoogieIcfgContainer [2019-10-13 23:14:11,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:11,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:11,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:11,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:11,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:09" (1/3) ... [2019-10-13 23:14:11,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db50f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:11, skipping insertion in model container [2019-10-13 23:14:11,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (2/3) ... [2019-10-13 23:14:11,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db50f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:11, skipping insertion in model container [2019-10-13 23:14:11,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:11" (3/3) ... [2019-10-13 23:14:11,865 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2019-10-13 23:14:11,875 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:11,883 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:11,894 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:11,921 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:11,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:11,921 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:11,921 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:11,922 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:11,922 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:11,922 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:11,923 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2019-10-13 23:14:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:11,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:11,956 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:11,958 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:11,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:11,963 INFO L82 PathProgramCache]: Analyzing trace with hash -864032553, now seen corresponding path program 1 times [2019-10-13 23:14:11,973 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:11,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983155385] [2019-10-13 23:14:11,974 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:11,974 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:11,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:12,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983155385] [2019-10-13 23:14:12,366 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:12,366 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:12,367 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717431265] [2019-10-13 23:14:12,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:12,372 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:12,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:12,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:12,388 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2019-10-13 23:14:12,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:12,422 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2019-10-13 23:14:12,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:12,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:12,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:12,437 INFO L225 Difference]: With dead ends: 157 [2019-10-13 23:14:12,438 INFO L226 Difference]: Without dead ends: 79 [2019-10-13 23:14:12,446 INFO L600 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 [2019-10-13 23:14:12,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-13 23:14:12,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-10-13 23:14:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-13 23:14:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2019-10-13 23:14:12,494 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2019-10-13 23:14:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:12,495 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2019-10-13 23:14:12,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-10-13 23:14:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:12,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:12,499 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:12,499 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:12,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:12,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1411900384, now seen corresponding path program 1 times [2019-10-13 23:14:12,500 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:12,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780126391] [2019-10-13 23:14:12,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:12,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780126391] [2019-10-13 23:14:12,598 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:12,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:12,599 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338899686] [2019-10-13 23:14:12,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:12,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:12,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:12,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:12,603 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 3 states. [2019-10-13 23:14:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:12,637 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-10-13 23:14:12,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:12,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:12,642 INFO L225 Difference]: With dead ends: 106 [2019-10-13 23:14:12,642 INFO L226 Difference]: Without dead ends: 71 [2019-10-13 23:14:12,645 INFO L600 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 [2019-10-13 23:14:12,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-13 23:14:12,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-13 23:14:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-13 23:14:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2019-10-13 23:14:12,668 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 43 [2019-10-13 23:14:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:12,668 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2019-10-13 23:14:12,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2019-10-13 23:14:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:12,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:12,674 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:12,674 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:12,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:12,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1992754323, now seen corresponding path program 1 times [2019-10-13 23:14:12,675 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:12,676 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811558649] [2019-10-13 23:14:12,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:12,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811558649] [2019-10-13 23:14:12,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:12,886 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:12,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73887556] [2019-10-13 23:14:12,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:12,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:12,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:12,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:12,889 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 7 states. [2019-10-13 23:14:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:13,206 INFO L93 Difference]: Finished difference Result 213 states and 250 transitions. [2019-10-13 23:14:13,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:14:13,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:14:13,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:13,212 INFO L225 Difference]: With dead ends: 213 [2019-10-13 23:14:13,212 INFO L226 Difference]: Without dead ends: 164 [2019-10-13 23:14:13,213 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:13,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-13 23:14:13,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2019-10-13 23:14:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 23:14:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2019-10-13 23:14:13,234 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 46 [2019-10-13 23:14:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:13,235 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2019-10-13 23:14:13,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2019-10-13 23:14:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:14:13,237 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:13,237 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:13,237 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:13,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:13,238 INFO L82 PathProgramCache]: Analyzing trace with hash 104740103, now seen corresponding path program 1 times [2019-10-13 23:14:13,238 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:13,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089969948] [2019-10-13 23:14:13,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089969948] [2019-10-13 23:14:13,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:13,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9417262] [2019-10-13 23:14:13,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:13,321 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:13,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:13,321 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 6 states. [2019-10-13 23:14:13,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:13,464 INFO L93 Difference]: Finished difference Result 379 states and 456 transitions. [2019-10-13 23:14:13,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:13,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-13 23:14:13,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:13,470 INFO L225 Difference]: With dead ends: 379 [2019-10-13 23:14:13,470 INFO L226 Difference]: Without dead ends: 255 [2019-10-13 23:14:13,472 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:13,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-10-13 23:14:13,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2019-10-13 23:14:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-10-13 23:14:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions. [2019-10-13 23:14:13,511 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 49 [2019-10-13 23:14:13,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:13,512 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 284 transitions. [2019-10-13 23:14:13,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions. [2019-10-13 23:14:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:14:13,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:13,516 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:13,517 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:13,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:13,517 INFO L82 PathProgramCache]: Analyzing trace with hash 932498649, now seen corresponding path program 1 times [2019-10-13 23:14:13,518 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:13,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292259198] [2019-10-13 23:14:13,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292259198] [2019-10-13 23:14:13,621 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:13,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618937986] [2019-10-13 23:14:13,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:13,623 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:13,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:13,625 INFO L87 Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 6 states. [2019-10-13 23:14:13,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:13,768 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2019-10-13 23:14:13,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:13,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-10-13 23:14:13,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:13,770 INFO L225 Difference]: With dead ends: 443 [2019-10-13 23:14:13,770 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:13,777 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:13,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:13,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:13,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2019-10-13 23:14:13,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:13,779 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:13,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:13,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:13,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:14,367 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 579) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point L569-2(lines 569 590) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point L591(lines 568 592) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 544 599) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 544 599) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 636) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 600 659) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point L626-2(lines 626 651) no Hoare annotation was computed. [2019-10-13 23:14:14,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 600 659) no Hoare annotation was computed. [2019-10-13 23:14:14,369 INFO L443 ceAbstractionStarter]: For program point L652(lines 625 653) no Hoare annotation was computed. [2019-10-13 23:14:14,369 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 600 659) no Hoare annotation was computed. [2019-10-13 23:14:14,369 INFO L443 ceAbstractionStarter]: For program point L645(line 645) no Hoare annotation was computed. [2019-10-13 23:14:14,369 INFO L443 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2019-10-13 23:14:14,369 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 133 139) the Hoare annotation is: true [2019-10-13 23:14:14,369 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 133 139) no Hoare annotation was computed. [2019-10-13 23:14:14,369 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 140 148) no Hoare annotation was computed. [2019-10-13 23:14:14,370 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 140 148) the Hoare annotation is: true [2019-10-13 23:14:14,370 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 433 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,370 INFO L439 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,370 INFO L439 ceAbstractionStarter]: At program point L445-1(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,370 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 450) no Hoare annotation was computed. [2019-10-13 23:14:14,371 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 443 450) no Hoare annotation was computed. [2019-10-13 23:14:14,371 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-13 23:14:14,371 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 433 455) no Hoare annotation was computed. [2019-10-13 23:14:14,371 INFO L439 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,371 INFO L439 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,372 INFO L439 ceAbstractionStarter]: At program point L439-1(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,372 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2019-10-13 23:14:14,372 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2019-10-13 23:14:14,372 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2019-10-13 23:14:14,372 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 23:14:14,372 INFO L443 ceAbstractionStarter]: For program point L409(line 409) no Hoare annotation was computed. [2019-10-13 23:14:14,372 INFO L443 ceAbstractionStarter]: For program point L408(line 408) no Hoare annotation was computed. [2019-10-13 23:14:14,372 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 23:14:14,373 INFO L443 ceAbstractionStarter]: For program point L406(line 406) no Hoare annotation was computed. [2019-10-13 23:14:14,373 INFO L443 ceAbstractionStarter]: For program point L405(line 405) no Hoare annotation was computed. [2019-10-13 23:14:14,373 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 23:14:14,373 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-10-13 23:14:14,373 INFO L443 ceAbstractionStarter]: For program point L402(line 402) no Hoare annotation was computed. [2019-10-13 23:14:14,373 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 23:14:14,373 INFO L443 ceAbstractionStarter]: For program point L400(line 400) no Hoare annotation was computed. [2019-10-13 23:14:14,374 INFO L443 ceAbstractionStarter]: For program point L399(line 399) no Hoare annotation was computed. [2019-10-13 23:14:14,374 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 23:14:14,374 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-10-13 23:14:14,374 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 264 278) no Hoare annotation was computed. [2019-10-13 23:14:14,374 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:14,374 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-10-13 23:14:14,374 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 264 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:14:14,374 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2019-10-13 23:14:14,375 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2019-10-13 23:14:14,375 INFO L443 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2019-10-13 23:14:14,375 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 228 263) no Hoare annotation was computed. [2019-10-13 23:14:14,375 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 228 263) no Hoare annotation was computed. [2019-10-13 23:14:14,375 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-10-13 23:14:14,375 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 126 132) no Hoare annotation was computed. [2019-10-13 23:14:14,375 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 126 132) the Hoare annotation is: true [2019-10-13 23:14:14,376 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 498 543) no Hoare annotation was computed. [2019-10-13 23:14:14,376 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 498 543) no Hoare annotation was computed. [2019-10-13 23:14:14,376 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 811 856) no Hoare annotation was computed. [2019-10-13 23:14:14,376 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 811 856) no Hoare annotation was computed. [2019-10-13 23:14:14,376 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 423 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,376 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 423 432) no Hoare annotation was computed. [2019-10-13 23:14:14,376 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 423 432) no Hoare annotation was computed. [2019-10-13 23:14:14,376 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 208 218) no Hoare annotation was computed. [2019-10-13 23:14:14,377 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2019-10-13 23:14:14,377 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-13 23:14:14,377 INFO L443 ceAbstractionStarter]: For program point L213-1(line 213) no Hoare annotation was computed. [2019-10-13 23:14:14,377 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2019-10-13 23:14:14,377 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2019-10-13 23:14:14,377 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 191) no Hoare annotation was computed. [2019-10-13 23:14:14,377 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 185 191) the Hoare annotation is: true [2019-10-13 23:14:14,377 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,378 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,378 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-10-13 23:14:14,378 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,378 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-13 23:14:14,378 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-13 23:14:14,378 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-13 23:14:14,379 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,379 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 23:14:14,379 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 23:14:14,379 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,379 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,379 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 23:14:14,379 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-13 23:14:14,380 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,380 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-13 23:14:14,380 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 765 810) no Hoare annotation was computed. [2019-10-13 23:14:14,380 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 765 810) no Hoare annotation was computed. [2019-10-13 23:14:14,380 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 328 350) no Hoare annotation was computed. [2019-10-13 23:14:14,380 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 328 350) no Hoare annotation was computed. [2019-10-13 23:14:14,380 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 116 125) no Hoare annotation was computed. [2019-10-13 23:14:14,380 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 116 125) no Hoare annotation was computed. [2019-10-13 23:14:14,381 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 662 764) no Hoare annotation was computed. [2019-10-13 23:14:14,381 INFO L443 ceAbstractionStarter]: For program point L727(line 727) no Hoare annotation was computed. [2019-10-13 23:14:14,381 INFO L443 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2019-10-13 23:14:14,381 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 690) no Hoare annotation was computed. [2019-10-13 23:14:14,381 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 662 764) no Hoare annotation was computed. [2019-10-13 23:14:14,381 INFO L443 ceAbstractionStarter]: For program point L711-2(lines 711 731) no Hoare annotation was computed. [2019-10-13 23:14:14,381 INFO L443 ceAbstractionStarter]: For program point L732(lines 710 733) no Hoare annotation was computed. [2019-10-13 23:14:14,382 INFO L443 ceAbstractionStarter]: For program point L691(lines 691 707) no Hoare annotation was computed. [2019-10-13 23:14:14,382 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 662 764) no Hoare annotation was computed. [2019-10-13 23:14:14,382 INFO L443 ceAbstractionStarter]: For program point L712(lines 711 731) no Hoare annotation was computed. [2019-10-13 23:14:14,382 INFO L443 ceAbstractionStarter]: For program point L743(line 743) no Hoare annotation was computed. [2019-10-13 23:14:14,382 INFO L443 ceAbstractionStarter]: For program point L743-1(line 743) no Hoare annotation was computed. [2019-10-13 23:14:14,382 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 749) no Hoare annotation was computed. [2019-10-13 23:14:14,382 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:14,383 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,383 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 192 199) no Hoare annotation was computed. [2019-10-13 23:14:14,383 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 192 199) no Hoare annotation was computed. [2019-10-13 23:14:14,383 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 351 359) no Hoare annotation was computed. [2019-10-13 23:14:14,383 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 351 359) no Hoare annotation was computed. [2019-10-13 23:14:14,383 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: true [2019-10-13 23:14:14,383 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2019-10-13 23:14:14,383 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,384 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,384 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: true [2019-10-13 23:14:14,384 INFO L439 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:14:14,384 INFO L446 ceAbstractionStarter]: At program point L172(lines 172 178) the Hoare annotation is: true [2019-10-13 23:14:14,384 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2019-10-13 23:14:14,384 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:14,384 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2019-10-13 23:14:14,384 INFO L443 ceAbstractionStarter]: For program point L165(lines 164 183) no Hoare annotation was computed. [2019-10-13 23:14:14,385 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2019-10-13 23:14:14,385 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-13 23:14:14,385 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2019-10-13 23:14:14,385 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2019-10-13 23:14:14,385 INFO L446 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2019-10-13 23:14:14,385 INFO L446 ceAbstractionStarter]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2019-10-13 23:14:14,385 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-10-13 23:14:14,385 INFO L443 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2019-10-13 23:14:14,386 INFO L446 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2019-10-13 23:14:14,386 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2019-10-13 23:14:14,386 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2019-10-13 23:14:14,386 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2019-10-13 23:14:14,386 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2019-10-13 23:14:14,386 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2019-10-13 23:14:14,386 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2019-10-13 23:14:14,386 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,387 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:14,387 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:14,387 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,387 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2019-10-13 23:14:14,387 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2019-10-13 23:14:14,387 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2019-10-13 23:14:14,387 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 457 464) the Hoare annotation is: true [2019-10-13 23:14:14,387 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 457 464) no Hoare annotation was computed. [2019-10-13 23:14:14,388 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:14,388 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-13 23:14:14,388 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 466 490) the Hoare annotation is: true [2019-10-13 23:14:14,388 INFO L439 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:14,388 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-10-13 23:14:14,388 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 487) no Hoare annotation was computed. [2019-10-13 23:14:14,388 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 466 490) no Hoare annotation was computed. [2019-10-13 23:14:14,388 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-10-13 23:14:14,389 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 466 490) no Hoare annotation was computed. [2019-10-13 23:14:14,389 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-10-13 23:14:14,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:14 BoogieIcfgContainer [2019-10-13 23:14:14,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:14,404 INFO L168 Benchmark]: Toolchain (without parser) took 4715.83 ms. Allocated memory was 139.5 MB in the beginning and 248.0 MB in the end (delta: 108.5 MB). Free memory was 102.1 MB in the beginning and 148.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 121.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,405 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.55 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 172.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,407 INFO L168 Benchmark]: Boogie Preprocessor took 88.52 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 168.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,409 INFO L168 Benchmark]: RCFGBuilder took 1490.11 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 159.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,410 INFO L168 Benchmark]: TraceAbstraction took 2543.22 ms. Allocated memory was 237.5 MB in the beginning and 248.0 MB in the end (delta: 10.5 MB). Free memory was 159.9 MB in the beginning and 148.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 589.55 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 172.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.52 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 168.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1490.11 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 159.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2543.22 ms. Allocated memory was 237.5 MB in the beginning and 248.0 MB in the end (delta: 10.5 MB). Free memory was 159.9 MB in the beginning and 148.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 157 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 423 SDtfs, 201 SDslu, 834 SDs, 0 SdLazy, 228 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 294 PreInvPairs, 332 NumberOfFragments, 374 HoareAnnotationTreeSize, 294 FomulaSimplifications, 313 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1177 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 19393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...