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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:16,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:16,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:16,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:16,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:16,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:16,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:16,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:16,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:16,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:16,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:16,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:16,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:16,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:16,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:16,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:16,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:16,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:16,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:16,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:16,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:16,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:16,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:16,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:16,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:16,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:16,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:16,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:16,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:16,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:16,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:16,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:16,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:16,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:16,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:16,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:16,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:16,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:16,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:16,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:16,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:16,435 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 23:14:16,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:16,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:16,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:16,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:16,451 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:16,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:16,451 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:16,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:16,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:16,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:16,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:16,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:16,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:16,453 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:16,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:16,453 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:16,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:16,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:16,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:16,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:16,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:16,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:16,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:16,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:16,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:16,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:16,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:16,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:16,456 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 23:14:16,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:16,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:16,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:16,757 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:16,758 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:16,758 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-10-13 23:14:16,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9aa7ad9/1f42d2218a694c0db60704ac955e8287/FLAGf8428bcd4 [2019-10-13 23:14:17,285 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:17,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-10-13 23:14:17,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9aa7ad9/1f42d2218a694c0db60704ac955e8287/FLAGf8428bcd4 [2019-10-13 23:14:17,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9aa7ad9/1f42d2218a694c0db60704ac955e8287 [2019-10-13 23:14:17,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:17,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:17,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:17,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:17,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:17,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:17" (1/1) ... [2019-10-13 23:14:17,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b809c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:17, skipping insertion in model container [2019-10-13 23:14:17,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:17" (1/1) ... [2019-10-13 23:14:17,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:17,730 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:18,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:18,155 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:18,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:18,277 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:18,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18 WrapperNode [2019-10-13 23:14:18,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:18,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:18,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:18,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:18,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (1/1) ... [2019-10-13 23:14:18,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:18,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:18,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:18,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:18,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (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 23:14:18,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:18,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:18,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:18,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:18,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:18,486 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:14:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:18,506 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:14:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:20,168 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:20,169 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:20,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:20 BoogieIcfgContainer [2019-10-13 23:14:20,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:20,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:20,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:20,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:20,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:17" (1/3) ... [2019-10-13 23:14:20,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4876ff45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:20, skipping insertion in model container [2019-10-13 23:14:20,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:18" (2/3) ... [2019-10-13 23:14:20,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4876ff45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:20, skipping insertion in model container [2019-10-13 23:14:20,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:20" (3/3) ... [2019-10-13 23:14:20,178 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2019-10-13 23:14:20,188 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:20,196 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:20,208 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:20,234 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:20,234 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:20,235 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:20,235 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:20,235 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:20,235 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:20,235 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:20,236 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2019-10-13 23:14:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:20,268 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:20,270 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 23:14:20,272 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:20,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:20,279 INFO L82 PathProgramCache]: Analyzing trace with hash -832197615, now seen corresponding path program 1 times [2019-10-13 23:14:20,290 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:20,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557153690] [2019-10-13 23:14:20,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:20,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:20,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:20,600 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 23:14:20,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557153690] [2019-10-13 23:14:20,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:20,604 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:20,604 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722106051] [2019-10-13 23:14:20,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:20,610 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:20,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:20,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:20,627 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2019-10-13 23:14:20,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:20,676 INFO L93 Difference]: Finished difference Result 139 states and 168 transitions. [2019-10-13 23:14:20,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:20,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:20,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:20,687 INFO L225 Difference]: With dead ends: 139 [2019-10-13 23:14:20,688 INFO L226 Difference]: Without dead ends: 70 [2019-10-13 23:14:20,691 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 23:14:20,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-13 23:14:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-13 23:14:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-13 23:14:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2019-10-13 23:14:20,733 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 42 [2019-10-13 23:14:20,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:20,734 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2019-10-13 23:14:20,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2019-10-13 23:14:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:20,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:20,737 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 23:14:20,738 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:20,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:20,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1268489908, now seen corresponding path program 1 times [2019-10-13 23:14:20,738 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:20,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180020940] [2019-10-13 23:14:20,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:20,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:20,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:20,891 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 23:14:20,891 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180020940] [2019-10-13 23:14:20,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:20,892 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:20,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799745638] [2019-10-13 23:14:20,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:20,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:20,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:20,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:20,895 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 3 states. [2019-10-13 23:14:20,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:20,910 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2019-10-13 23:14:20,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:20,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:20,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:20,913 INFO L225 Difference]: With dead ends: 97 [2019-10-13 23:14:20,913 INFO L226 Difference]: Without dead ends: 62 [2019-10-13 23:14:20,915 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 23:14:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-13 23:14:20,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-10-13 23:14:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-13 23:14:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2019-10-13 23:14:20,927 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 43 [2019-10-13 23:14:20,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:20,928 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2019-10-13 23:14:20,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:20,930 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2019-10-13 23:14:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:14:20,932 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:20,932 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] [2019-10-13 23:14:20,933 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:20,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:20,933 INFO L82 PathProgramCache]: Analyzing trace with hash -879520712, now seen corresponding path program 1 times [2019-10-13 23:14:20,935 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:20,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578302788] [2019-10-13 23:14:20,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:20,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:20,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:21,109 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 23:14:21,110 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578302788] [2019-10-13 23:14:21,111 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:21,111 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:21,111 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414041876] [2019-10-13 23:14:21,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:21,113 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:21,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:21,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:21,114 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 7 states. [2019-10-13 23:14:21,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:21,379 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2019-10-13 23:14:21,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:21,383 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 23:14:21,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:21,385 INFO L225 Difference]: With dead ends: 102 [2019-10-13 23:14:21,386 INFO L226 Difference]: Without dead ends: 62 [2019-10-13 23:14:21,386 INFO L600 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 [2019-10-13 23:14:21,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-13 23:14:21,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-10-13 23:14:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-13 23:14:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-10-13 23:14:21,403 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 45 [2019-10-13 23:14:21,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:21,406 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-10-13 23:14:21,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-10-13 23:14:21,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 23:14:21,411 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:21,411 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] [2019-10-13 23:14:21,412 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:21,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:21,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1979104421, now seen corresponding path program 1 times [2019-10-13 23:14:21,413 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:21,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240183644] [2019-10-13 23:14:21,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:21,561 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 23:14:21,562 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240183644] [2019-10-13 23:14:21,562 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:21,562 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:21,562 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772078179] [2019-10-13 23:14:21,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:21,564 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:21,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:21,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:21,565 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 6 states. [2019-10-13 23:14:21,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:21,702 INFO L93 Difference]: Finished difference Result 135 states and 150 transitions. [2019-10-13 23:14:21,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:21,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2019-10-13 23:14:21,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:21,707 INFO L225 Difference]: With dead ends: 135 [2019-10-13 23:14:21,708 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 23:14:21,708 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 23:14:21,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 23:14:21,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2019-10-13 23:14:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-10-13 23:14:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-10-13 23:14:21,723 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 48 [2019-10-13 23:14:21,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:21,724 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-10-13 23:14:21,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-10-13 23:14:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:14:21,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:21,726 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] [2019-10-13 23:14:21,726 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:21,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:21,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1620772985, now seen corresponding path program 1 times [2019-10-13 23:14:21,727 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:21,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713528261] [2019-10-13 23:14:21,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:21,856 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 23:14:21,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713528261] [2019-10-13 23:14:21,856 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:21,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:21,857 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748549498] [2019-10-13 23:14:21,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:21,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:21,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:21,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:21,858 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 6 states. [2019-10-13 23:14:22,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:22,038 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2019-10-13 23:14:22,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:22,039 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-13 23:14:22,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:22,040 INFO L225 Difference]: With dead ends: 153 [2019-10-13 23:14:22,040 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:22,041 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 23:14:22,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:22,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-10-13 23:14:22,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:22,043 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:22,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:22,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:22,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:22,539 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-10-13 23:14:22,539 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:14:22,540 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-10-13 23:14:22,541 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:14:22,541 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-13 23:14:22,541 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-13 23:14:22,541 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 23:14:22,541 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 23:14:22,541 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 23:14:22,542 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 23:14:22,542 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,542 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2019-10-13 23:14:22,542 INFO L439 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,544 INFO L439 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,544 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 631) no Hoare annotation was computed. [2019-10-13 23:14:22,544 INFO L443 ceAbstractionStarter]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2019-10-13 23:14:22,544 INFO L443 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2019-10-13 23:14:22,544 INFO L439 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,544 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,544 INFO L439 ceAbstractionStarter]: At program point L620-1(line 620) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,545 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 23:14:22,545 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2019-10-13 23:14:22,545 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2019-10-13 23:14:22,545 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2019-10-13 23:14:22,546 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-13 23:14:22,546 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-13 23:14:22,546 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 23:14:22,546 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 23:14:22,546 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 23:14:22,546 INFO L443 ceAbstractionStarter]: For program point L585(line 585) no Hoare annotation was computed. [2019-10-13 23:14:22,546 INFO L443 ceAbstractionStarter]: For program point L584(line 584) no Hoare annotation was computed. [2019-10-13 23:14:22,547 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 23:14:22,547 INFO L443 ceAbstractionStarter]: For program point L582(line 582) no Hoare annotation was computed. [2019-10-13 23:14:22,547 INFO L443 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-10-13 23:14:22,547 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 23:14:22,548 INFO L443 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed. [2019-10-13 23:14:22,549 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-13 23:14:22,549 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 676 683) no Hoare annotation was computed. [2019-10-13 23:14:22,549 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 676 683) no Hoare annotation was computed. [2019-10-13 23:14:22,549 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2019-10-13 23:14:22,549 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2019-10-13 23:14:22,549 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-13 23:14:22,549 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-13 23:14:22,550 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 730 765) no Hoare annotation was computed. [2019-10-13 23:14:22,550 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 730 765) no Hoare annotation was computed. [2019-10-13 23:14:22,550 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 23:14:22,550 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 23:14:22,550 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-10-13 23:14:22,551 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-10-13 23:14:22,551 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-10-13 23:14:22,551 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-10-13 23:14:22,551 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,551 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2019-10-13 23:14:22,551 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2019-10-13 23:14:22,551 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 710 720) no Hoare annotation was computed. [2019-10-13 23:14:22,551 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-13 23:14:22,552 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 710 720) no Hoare annotation was computed. [2019-10-13 23:14:22,552 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-13 23:14:22,552 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 702 709) no Hoare annotation was computed. [2019-10-13 23:14:22,552 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2019-10-13 23:14:22,552 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 669 675) no Hoare annotation was computed. [2019-10-13 23:14:22,552 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 669 675) the Hoare annotation is: true [2019-10-13 23:14:22,552 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 767 830) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,553 INFO L439 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:22,553 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-10-13 23:14:22,553 INFO L443 ceAbstractionStarter]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2019-10-13 23:14:22,553 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 767 830) no Hoare annotation was computed. [2019-10-13 23:14:22,553 INFO L439 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:22,553 INFO L439 ceAbstractionStarter]: At program point L820(lines 777 822) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:22,553 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 793) no Hoare annotation was computed. [2019-10-13 23:14:22,554 INFO L443 ceAbstractionStarter]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2019-10-13 23:14:22,554 INFO L439 ceAbstractionStarter]: At program point L823(lines 776 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:22,554 INFO L439 ceAbstractionStarter]: At program point L813-2(lines 807 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:22,554 INFO L443 ceAbstractionStarter]: For program point L778(lines 777 822) no Hoare annotation was computed. [2019-10-13 23:14:22,554 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 767 830) no Hoare annotation was computed. [2019-10-13 23:14:22,554 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-13 23:14:22,554 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-13 23:14:22,559 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2019-10-13 23:14:22,559 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2019-10-13 23:14:22,559 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:14:22,559 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:14:22,560 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:14:22,560 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-10-13 23:14:22,560 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-10-13 23:14:22,560 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-10-13 23:14:22,560 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-13 23:14:22,560 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-13 23:14:22,564 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-10-13 23:14:22,564 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:14:22,564 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point L690-1(line 690) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 685 701) no Hoare annotation was computed. [2019-10-13 23:14:22,565 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 685 701) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 685 701) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 520 528) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:22,566 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:22,567 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2019-10-13 23:14:22,567 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2019-10-13 23:14:22,567 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2019-10-13 23:14:22,567 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2019-10-13 23:14:22,567 INFO L446 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: true [2019-10-13 23:14:22,567 INFO L446 ceAbstractionStarter]: At program point L656(lines 656 662) the Hoare annotation is: true [2019-10-13 23:14:22,567 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: true [2019-10-13 23:14:22,568 INFO L439 ceAbstractionStarter]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:22,568 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2019-10-13 23:14:22,568 INFO L443 ceAbstractionStarter]: For program point L649(lines 648 667) no Hoare annotation was computed. [2019-10-13 23:14:22,568 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2019-10-13 23:14:22,568 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2019-10-13 23:14:22,568 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2019-10-13 23:14:22,568 INFO L446 ceAbstractionStarter]: At program point L566(lines 541 570) the Hoare annotation is: true [2019-10-13 23:14:22,568 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-13 23:14:22,569 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-10-13 23:14:22,569 INFO L446 ceAbstractionStarter]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2019-10-13 23:14:22,569 INFO L446 ceAbstractionStarter]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2019-10-13 23:14:22,569 INFO L446 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2019-10-13 23:14:22,569 INFO L443 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2019-10-13 23:14:22,569 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2019-10-13 23:14:22,569 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2019-10-13 23:14:22,570 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2019-10-13 23:14:22,570 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2019-10-13 23:14:22,570 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:22,570 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 23:14:22,570 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:22,570 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:22,570 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2019-10-13 23:14:22,570 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: true [2019-10-13 23:14:22,571 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2019-10-13 23:14:22,571 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2019-10-13 23:14:22,571 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2019-10-13 23:14:22,571 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 832 856) the Hoare annotation is: true [2019-10-13 23:14:22,571 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 832 856) no Hoare annotation was computed. [2019-10-13 23:14:22,571 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:22,572 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 850) no Hoare annotation was computed. [2019-10-13 23:14:22,572 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:22,572 INFO L443 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2019-10-13 23:14:22,572 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 853) no Hoare annotation was computed. [2019-10-13 23:14:22,572 INFO L443 ceAbstractionStarter]: For program point L840-1(lines 832 856) no Hoare annotation was computed. [2019-10-13 23:14:22,572 INFO L446 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2019-10-13 23:14:22,572 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-13 23:14:22,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:22 BoogieIcfgContainer [2019-10-13 23:14:22,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:22,603 INFO L168 Benchmark]: Toolchain (without parser) took 4955.39 ms. Allocated memory was 144.2 MB in the beginning and 251.7 MB in the end (delta: 107.5 MB). Free memory was 101.0 MB in the beginning and 195.2 MB in the end (delta: -94.2 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:22,605 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:22,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.70 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 169.6 MB in the end (delta: -68.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:22,608 INFO L168 Benchmark]: Boogie Preprocessor took 137.86 ms. Allocated memory is still 201.3 MB. Free memory was 169.6 MB in the beginning and 165.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:22,614 INFO L168 Benchmark]: RCFGBuilder took 1753.75 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.9 MB in the beginning and 154.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:22,615 INFO L168 Benchmark]: TraceAbstraction took 2427.40 ms. Allocated memory was 232.3 MB in the beginning and 251.7 MB in the end (delta: 19.4 MB). Free memory was 153.2 MB in the beginning and 195.2 MB in the end (delta: -41.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:22,623 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 144.2 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.70 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 169.6 MB in the end (delta: -68.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.86 ms. Allocated memory is still 201.3 MB. Free memory was 169.6 MB in the beginning and 165.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1753.75 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.9 MB in the beginning and 154.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2427.40 ms. Allocated memory was 232.3 MB in the beginning and 251.7 MB in the end (delta: 19.4 MB). Free memory was 153.2 MB in the beginning and 195.2 MB in the end (delta: -41.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 777]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || 0 == splverifierCounter - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 157 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 343 SDtfs, 122 SDslu, 543 SDs, 0 SdLazy, 161 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 151 PreInvPairs, 163 NumberOfFragments, 277 HoareAnnotationTreeSize, 151 FomulaSimplifications, 61 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 567 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 19298 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...