java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:53,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:53,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:53,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:53,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:53,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:53,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:53,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:53,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:53,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:53,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:53,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:53,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:53,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:53,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:53,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:53,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:53,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:53,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:53,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:53,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:53,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:53,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:53,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:53,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:53,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:53,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:53,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:53,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:53,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:53,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:53,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:53,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:53,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:53,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:53,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:53,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:53,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:53,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:53,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:53,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:53,319 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 23:17:53,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:53,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:53,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:53,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:53,360 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:53,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:53,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:53,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:53,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:53,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:53,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:53,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:53,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:53,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:53,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:53,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:53,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:53,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:53,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:53,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:53,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:53,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:53,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:53,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:53,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:53,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:53,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:53,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:53,367 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 23:17:53,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:53,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:53,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:53,690 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:53,691 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:53,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2019-10-13 23:17:53,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b5ed560/162a1b5d4cd749189288928b331fbf19/FLAG854dd611c [2019-10-13 23:17:54,266 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:54,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2019-10-13 23:17:54,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b5ed560/162a1b5d4cd749189288928b331fbf19/FLAG854dd611c [2019-10-13 23:17:54,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b5ed560/162a1b5d4cd749189288928b331fbf19 [2019-10-13 23:17:54,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:54,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:54,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:54,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:54,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:54,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e20f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:54, skipping insertion in model container [2019-10-13 23:17:54,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:54" (1/1) ... [2019-10-13 23:17:54,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:54,719 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:55,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:55,210 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:55,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:55,337 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:55,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55 WrapperNode [2019-10-13 23:17:55,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:55,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:55,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:55,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:55,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (1/1) ... [2019-10-13 23:17:55,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (1/1) ... [2019-10-13 23:17:55,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (1/1) ... [2019-10-13 23:17:55,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (1/1) ... [2019-10-13 23:17:55,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (1/1) ... [2019-10-13 23:17:55,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (1/1) ... [2019-10-13 23:17:55,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (1/1) ... [2019-10-13 23:17:55,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:55,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:55,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:55,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:55,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (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 23:17:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:17:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:17:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:17:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:17:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:17:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:17:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:17:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:17:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:57,249 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:57,250 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:57,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:57 BoogieIcfgContainer [2019-10-13 23:17:57,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:57,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:57,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:57,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:57,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:54" (1/3) ... [2019-10-13 23:17:57,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227fc221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:57, skipping insertion in model container [2019-10-13 23:17:57,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:55" (2/3) ... [2019-10-13 23:17:57,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227fc221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:57, skipping insertion in model container [2019-10-13 23:17:57,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:57" (3/3) ... [2019-10-13 23:17:57,259 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2019-10-13 23:17:57,269 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:57,278 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:57,289 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:57,316 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:57,317 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:57,317 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:57,317 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:57,317 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:57,317 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:57,317 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:57,317 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:57,343 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2019-10-13 23:17:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:57,357 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:57,358 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:57,360 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:57,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:57,366 INFO L82 PathProgramCache]: Analyzing trace with hash -2062077994, now seen corresponding path program 1 times [2019-10-13 23:17:57,375 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:57,376 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353322196] [2019-10-13 23:17:57,376 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,376 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:57,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353322196] [2019-10-13 23:17:57,812 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:57,816 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:57,817 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559424804] [2019-10-13 23:17:57,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:57,825 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:57,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:57,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:57,838 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2019-10-13 23:17:57,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:57,877 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2019-10-13 23:17:57,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:57,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:57,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:57,892 INFO L225 Difference]: With dead ends: 220 [2019-10-13 23:17:57,892 INFO L226 Difference]: Without dead ends: 112 [2019-10-13 23:17:57,897 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 23:17:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-13 23:17:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-13 23:17:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-13 23:17:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2019-10-13 23:17:57,950 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 52 [2019-10-13 23:17:57,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:57,950 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2019-10-13 23:17:57,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2019-10-13 23:17:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:57,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:57,955 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:57,955 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:57,956 INFO L82 PathProgramCache]: Analyzing trace with hash -182402310, now seen corresponding path program 1 times [2019-10-13 23:17:57,956 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:57,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572064698] [2019-10-13 23:17:57,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:57,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:58,114 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572064698] [2019-10-13 23:17:58,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:58,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:58,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472779785] [2019-10-13 23:17:58,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:58,117 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:58,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:58,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:58,118 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 3 states. [2019-10-13 23:17:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:58,141 INFO L93 Difference]: Finished difference Result 178 states and 206 transitions. [2019-10-13 23:17:58,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:58,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:58,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:58,144 INFO L225 Difference]: With dead ends: 178 [2019-10-13 23:17:58,145 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 23:17:58,146 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 23:17:58,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 23:17:58,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 23:17:58,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 23:17:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2019-10-13 23:17:58,162 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 53 [2019-10-13 23:17:58,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:58,163 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2019-10-13 23:17:58,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2019-10-13 23:17:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:17:58,169 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:58,169 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:58,170 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:58,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:58,172 INFO L82 PathProgramCache]: Analyzing trace with hash -624207922, now seen corresponding path program 1 times [2019-10-13 23:17:58,172 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:58,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13770524] [2019-10-13 23:17:58,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:58,173 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:58,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:58,443 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13770524] [2019-10-13 23:17:58,444 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:58,444 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:58,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42108625] [2019-10-13 23:17:58,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:58,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:58,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:58,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:58,447 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 7 states. [2019-10-13 23:17:58,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:58,829 INFO L93 Difference]: Finished difference Result 183 states and 212 transitions. [2019-10-13 23:17:58,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:58,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-13 23:17:58,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:58,833 INFO L225 Difference]: With dead ends: 183 [2019-10-13 23:17:58,833 INFO L226 Difference]: Without dead ends: 104 [2019-10-13 23:17:58,834 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-13 23:17:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-13 23:17:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-13 23:17:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2019-10-13 23:17:58,848 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 55 [2019-10-13 23:17:58,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:58,851 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2019-10-13 23:17:58,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2019-10-13 23:17:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 23:17:58,854 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:58,854 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:58,855 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:58,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:58,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1943594957, now seen corresponding path program 1 times [2019-10-13 23:17:58,855 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:58,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211277251] [2019-10-13 23:17:58,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:58,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:58,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:58,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211277251] [2019-10-13 23:17:58,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:58,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:58,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098212443] [2019-10-13 23:17:58,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:58,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:58,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:58,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:58,983 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand 7 states. [2019-10-13 23:17:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:59,341 INFO L93 Difference]: Finished difference Result 154 states and 179 transitions. [2019-10-13 23:17:59,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:17:59,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2019-10-13 23:17:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:59,347 INFO L225 Difference]: With dead ends: 154 [2019-10-13 23:17:59,347 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:59,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:17:59,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:59,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:59,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-10-13 23:17:59,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:59,352 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:59,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:59,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:59,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:59,882 INFO L443 ceAbstractionStarter]: For program point L412-2(lines 412 433) no Hoare annotation was computed. [2019-10-13 23:17:59,882 INFO L443 ceAbstractionStarter]: For program point L434(lines 411 435) no Hoare annotation was computed. [2019-10-13 23:17:59,883 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 387 442) no Hoare annotation was computed. [2019-10-13 23:17:59,883 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 387 442) no Hoare annotation was computed. [2019-10-13 23:17:59,883 INFO L443 ceAbstractionStarter]: For program point L418(lines 418 422) no Hoare annotation was computed. [2019-10-13 23:17:59,883 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-10-13 23:17:59,884 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 443 502) no Hoare annotation was computed. [2019-10-13 23:17:59,884 INFO L443 ceAbstractionStarter]: For program point L469-2(lines 469 494) no Hoare annotation was computed. [2019-10-13 23:17:59,884 INFO L443 ceAbstractionStarter]: For program point L495(lines 468 496) no Hoare annotation was computed. [2019-10-13 23:17:59,884 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 443 502) no Hoare annotation was computed. [2019-10-13 23:17:59,884 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 443 502) no Hoare annotation was computed. [2019-10-13 23:17:59,884 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 23:17:59,884 INFO L443 ceAbstractionStarter]: For program point L488-1(line 488) no Hoare annotation was computed. [2019-10-13 23:17:59,885 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2019-10-13 23:17:59,885 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2019-10-13 23:17:59,885 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2019-10-13 23:17:59,885 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2019-10-13 23:17:59,885 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 150 157) the Hoare annotation is: true [2019-10-13 23:17:59,885 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2019-10-13 23:17:59,886 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 158 167) the Hoare annotation is: true [2019-10-13 23:17:59,886 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 158 167) no Hoare annotation was computed. [2019-10-13 23:17:59,886 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 23:17:59,886 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,886 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 187) no Hoare annotation was computed. [2019-10-13 23:17:59,886 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 190) no Hoare annotation was computed. [2019-10-13 23:17:59,887 INFO L446 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2019-10-13 23:17:59,887 INFO L443 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2019-10-13 23:17:59,887 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 168 196) the Hoare annotation is: true [2019-10-13 23:17:59,887 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 193) no Hoare annotation was computed. [2019-10-13 23:17:59,887 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 168 196) no Hoare annotation was computed. [2019-10-13 23:17:59,887 INFO L446 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: true [2019-10-13 23:17:59,888 INFO L443 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2019-10-13 23:17:59,888 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 168 196) no Hoare annotation was computed. [2019-10-13 23:17:59,888 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,888 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,888 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,888 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,889 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-13 23:17:59,889 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:59,889 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:59,889 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-13 23:17:59,889 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-13 23:17:59,889 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 23:17:59,890 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:17:59,890 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:17:59,890 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:17:59,890 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:17:59,890 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:17:59,890 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:17:59,890 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 23:17:59,891 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 23:17:59,892 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 23:17:59,892 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 23:17:59,892 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2019-10-13 23:17:59,892 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2019-10-13 23:17:59,892 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2019-10-13 23:17:59,892 INFO L446 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2019-10-13 23:17:59,893 INFO L443 ceAbstractionStarter]: For program point L936-1(line 936) no Hoare annotation was computed. [2019-10-13 23:17:59,893 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2019-10-13 23:17:59,893 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-13 23:17:59,893 INFO L443 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2019-10-13 23:17:59,893 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2019-10-13 23:17:59,893 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2019-10-13 23:17:59,893 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2019-10-13 23:17:59,894 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2019-10-13 23:17:59,894 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 341 386) no Hoare annotation was computed. [2019-10-13 23:17:59,894 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 341 386) no Hoare annotation was computed. [2019-10-13 23:17:59,894 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 654 699) no Hoare annotation was computed. [2019-10-13 23:17:59,894 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 654 699) no Hoare annotation was computed. [2019-10-13 23:17:59,894 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,894 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,895 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-13 23:17:59,895 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-13 23:17:59,895 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2019-10-13 23:17:59,895 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-10-13 23:17:59,895 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-13 23:17:59,895 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2019-10-13 23:17:59,896 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: true [2019-10-13 23:17:59,896 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2019-10-13 23:17:59,896 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 832 856) no Hoare annotation was computed. [2019-10-13 23:17:59,896 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 832 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,896 INFO L439 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,896 INFO L443 ceAbstractionStarter]: For program point L851-1(lines 832 856) no Hoare annotation was computed. [2019-10-13 23:17:59,897 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,897 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,897 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 848) no Hoare annotation was computed. [2019-10-13 23:17:59,897 INFO L439 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,897 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-13 23:17:59,897 INFO L443 ceAbstractionStarter]: For program point L836(lines 836 853) no Hoare annotation was computed. [2019-10-13 23:17:59,897 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 798 804) no Hoare annotation was computed. [2019-10-13 23:17:59,898 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 798 804) the Hoare annotation is: true [2019-10-13 23:17:59,898 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 701 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,898 INFO L439 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,898 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2019-10-13 23:17:59,898 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2019-10-13 23:17:59,898 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 701 764) no Hoare annotation was computed. [2019-10-13 23:17:59,898 INFO L439 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,899 INFO L439 ceAbstractionStarter]: At program point L754(lines 711 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,899 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 727) no Hoare annotation was computed. [2019-10-13 23:17:59,899 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2019-10-13 23:17:59,899 INFO L439 ceAbstractionStarter]: At program point L757(lines 710 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,899 INFO L439 ceAbstractionStarter]: At program point L747-2(lines 741 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,899 INFO L443 ceAbstractionStarter]: For program point L712(lines 711 756) no Hoare annotation was computed. [2019-10-13 23:17:59,899 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 701 764) no Hoare annotation was computed. [2019-10-13 23:17:59,900 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 608 653) no Hoare annotation was computed. [2019-10-13 23:17:59,900 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 608 653) no Hoare annotation was computed. [2019-10-13 23:17:59,900 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 290 298) the Hoare annotation is: true [2019-10-13 23:17:59,900 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 290 298) no Hoare annotation was computed. [2019-10-13 23:17:59,900 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 258 280) no Hoare annotation was computed. [2019-10-13 23:17:59,900 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 258 280) no Hoare annotation was computed. [2019-10-13 23:17:59,901 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2019-10-13 23:17:59,901 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2019-10-13 23:17:59,901 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 505 607) no Hoare annotation was computed. [2019-10-13 23:17:59,901 INFO L443 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2019-10-13 23:17:59,901 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-13 23:17:59,901 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2019-10-13 23:17:59,902 INFO L443 ceAbstractionStarter]: For program point L554-2(lines 554 574) no Hoare annotation was computed. [2019-10-13 23:17:59,902 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 505 607) no Hoare annotation was computed. [2019-10-13 23:17:59,902 INFO L443 ceAbstractionStarter]: For program point L575(lines 553 576) no Hoare annotation was computed. [2019-10-13 23:17:59,902 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 550) no Hoare annotation was computed. [2019-10-13 23:17:59,902 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 505 607) no Hoare annotation was computed. [2019-10-13 23:17:59,902 INFO L443 ceAbstractionStarter]: For program point L555(lines 554 574) no Hoare annotation was computed. [2019-10-13 23:17:59,902 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 23:17:59,903 INFO L443 ceAbstractionStarter]: For program point L586-1(line 586) no Hoare annotation was computed. [2019-10-13 23:17:59,903 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 592) no Hoare annotation was computed. [2019-10-13 23:17:59,903 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:17:59,903 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,903 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 857 864) no Hoare annotation was computed. [2019-10-13 23:17:59,903 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 857 864) no Hoare annotation was computed. [2019-10-13 23:17:59,903 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 281 289) the Hoare annotation is: true [2019-10-13 23:17:59,904 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 281 289) no Hoare annotation was computed. [2019-10-13 23:17:59,904 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 237 248) the Hoare annotation is: true [2019-10-13 23:17:59,904 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2019-10-13 23:17:59,904 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,904 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,904 INFO L439 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,904 INFO L439 ceAbstractionStarter]: At program point L785(lines 785 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,905 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 797) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,905 INFO L439 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,905 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 797) no Hoare annotation was computed. [2019-10-13 23:17:59,905 INFO L443 ceAbstractionStarter]: For program point L778(lines 774 796) no Hoare annotation was computed. [2019-10-13 23:17:59,905 INFO L443 ceAbstractionStarter]: For program point L776(lines 774 796) no Hoare annotation was computed. [2019-10-13 23:17:59,905 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 797) no Hoare annotation was computed. [2019-10-13 23:17:59,905 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 23:17:59,906 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 23:17:59,906 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 23:17:59,906 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 23:17:59,906 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 23:17:59,906 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 23:17:59,906 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 23:17:59,906 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 23:17:59,906 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 23:17:59,907 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 249 257) the Hoare annotation is: true [2019-10-13 23:17:59,907 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2019-10-13 23:17:59,907 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 213 224) the Hoare annotation is: true [2019-10-13 23:17:59,907 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 213 224) no Hoare annotation was computed. [2019-10-13 23:17:59,907 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 23:17:59,907 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 23:17:59,907 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,908 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:59,908 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:59,908 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:59,908 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2019-10-13 23:17:59,908 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 225 236) the Hoare annotation is: true [2019-10-13 23:17:59,908 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 198 205) the Hoare annotation is: true [2019-10-13 23:17:59,909 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2019-10-13 23:17:59,909 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 198 205) no Hoare annotation was computed. [2019-10-13 23:17:59,909 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 806 830) no Hoare annotation was computed. [2019-10-13 23:17:59,909 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 806 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,909 INFO L439 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,909 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 806 830) no Hoare annotation was computed. [2019-10-13 23:17:59,909 INFO L439 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,910 INFO L439 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,910 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 822) no Hoare annotation was computed. [2019-10-13 23:17:59,910 INFO L439 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:17:59,910 INFO L443 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2019-10-13 23:17:59,910 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 827) no Hoare annotation was computed. [2019-10-13 23:17:59,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:59 BoogieIcfgContainer [2019-10-13 23:17:59,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:59,931 INFO L168 Benchmark]: Toolchain (without parser) took 5296.96 ms. Allocated memory was 137.9 MB in the beginning and 248.5 MB in the end (delta: 110.6 MB). Free memory was 100.5 MB in the beginning and 161.5 MB in the end (delta: -61.0 MB). Peak memory consumption was 125.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,932 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.18 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 169.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,934 INFO L168 Benchmark]: Boogie Preprocessor took 113.21 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,935 INFO L168 Benchmark]: RCFGBuilder took 1798.70 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 164.9 MB in the beginning and 148.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,936 INFO L168 Benchmark]: TraceAbstraction took 2672.49 ms. Allocated memory was 234.9 MB in the beginning and 248.5 MB in the end (delta: 13.6 MB). Free memory was 146.8 MB in the beginning and 161.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:59,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.18 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 169.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.21 ms. Allocated memory is still 202.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1798.70 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 164.9 MB in the beginning and 148.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2672.49 ms. Allocated memory was 234.9 MB in the beginning and 248.5 MB in the end (delta: 13.6 MB). Free memory was 146.8 MB in the beginning and 161.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: 711]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 184 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 426 SDtfs, 172 SDslu, 435 SDs, 0 SdLazy, 282 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 231 PreInvPairs, 238 NumberOfFragments, 384 HoareAnnotationTreeSize, 231 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 386 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 22082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...