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_spec4_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:44,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:44,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:44,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:44,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:44,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:44,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:44,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:44,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:44,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:44,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:44,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:44,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:44,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:44,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:44,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:44,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:44,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:44,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:44,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:44,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:44,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:44,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:44,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:44,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:44,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:44,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:44,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:44,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:44,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:44,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:44,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:44,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:44,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:44,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:44,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:44,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:44,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:44,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:44,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:44,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:44,354 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 23:16:44,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:44,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:44,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:44,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:44,385 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:44,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:44,386 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:44,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:44,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:44,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:44,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:44,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:44,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:44,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:44,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:44,389 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:44,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:44,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:44,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:44,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:44,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:44,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:44,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:44,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:44,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:44,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:44,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:44,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:44,391 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 23:16:44,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:44,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:44,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:44,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:44,714 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:44,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-13 23:16:44,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09dd89c6b/432f02d0eb3f4c72a5c7dbba8c93d622/FLAGe5c2b7685 [2019-10-13 23:16:45,301 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:45,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-13 23:16:45,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09dd89c6b/432f02d0eb3f4c72a5c7dbba8c93d622/FLAGe5c2b7685 [2019-10-13 23:16:45,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09dd89c6b/432f02d0eb3f4c72a5c7dbba8c93d622 [2019-10-13 23:16:45,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:45,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:45,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:45,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:45,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:45,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:45" (1/1) ... [2019-10-13 23:16:45,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbc4866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:45, skipping insertion in model container [2019-10-13 23:16:45,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:45" (1/1) ... [2019-10-13 23:16:45,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:45,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:46,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:46,169 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:46,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:46,326 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:46,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46 WrapperNode [2019-10-13 23:16:46,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:46,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:46,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:46,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:46,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (1/1) ... [2019-10-13 23:16:46,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (1/1) ... [2019-10-13 23:16:46,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (1/1) ... [2019-10-13 23:16:46,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (1/1) ... [2019-10-13 23:16:46,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (1/1) ... [2019-10-13 23:16:46,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (1/1) ... [2019-10-13 23:16:46,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (1/1) ... [2019-10-13 23:16:46,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:46,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:46,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:46,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:46,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (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 23:16:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:46,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:46,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:16:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:16:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:16:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:16:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:16:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:46,510 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:46,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:46,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:16:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:16:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:16:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:16:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 23:16:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:48,417 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:48,418 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:48,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:48 BoogieIcfgContainer [2019-10-13 23:16:48,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:48,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:48,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:48,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:48,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:45" (1/3) ... [2019-10-13 23:16:48,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7006d407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:48, skipping insertion in model container [2019-10-13 23:16:48,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:46" (2/3) ... [2019-10-13 23:16:48,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7006d407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:48, skipping insertion in model container [2019-10-13 23:16:48,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:48" (3/3) ... [2019-10-13 23:16:48,430 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-10-13 23:16:48,444 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:48,455 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:48,471 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:48,503 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:48,503 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:48,503 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:48,504 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:48,504 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:48,504 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:48,504 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:48,505 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-10-13 23:16:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:16:48,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:48,546 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 23:16:48,549 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:48,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:48,555 INFO L82 PathProgramCache]: Analyzing trace with hash 186507967, now seen corresponding path program 1 times [2019-10-13 23:16:48,568 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:48,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739929713] [2019-10-13 23:16:48,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:48,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:48,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:48,931 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 23:16:48,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739929713] [2019-10-13 23:16:48,933 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:48,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:48,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593361932] [2019-10-13 23:16:48,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:48,946 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:48,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:48,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:48,960 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-10-13 23:16:48,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:48,999 INFO L93 Difference]: Finished difference Result 221 states and 272 transitions. [2019-10-13 23:16:48,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:49,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:16:49,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:49,015 INFO L225 Difference]: With dead ends: 221 [2019-10-13 23:16:49,015 INFO L226 Difference]: Without dead ends: 111 [2019-10-13 23:16:49,020 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 23:16:49,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-13 23:16:49,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-13 23:16:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-13 23:16:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2019-10-13 23:16:49,083 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 42 [2019-10-13 23:16:49,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:49,084 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2019-10-13 23:16:49,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2019-10-13 23:16:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:16:49,088 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:49,088 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 23:16:49,088 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:49,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:49,089 INFO L82 PathProgramCache]: Analyzing trace with hash 950723943, now seen corresponding path program 1 times [2019-10-13 23:16:49,089 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:49,089 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024216318] [2019-10-13 23:16:49,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:49,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:49,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:49,222 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 23:16:49,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024216318] [2019-10-13 23:16:49,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:49,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:49,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167213426] [2019-10-13 23:16:49,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:49,227 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:49,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:49,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:49,228 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2019-10-13 23:16:49,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:49,270 INFO L93 Difference]: Finished difference Result 172 states and 200 transitions. [2019-10-13 23:16:49,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:49,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:16:49,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:49,274 INFO L225 Difference]: With dead ends: 172 [2019-10-13 23:16:49,274 INFO L226 Difference]: Without dead ends: 103 [2019-10-13 23:16:49,276 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 23:16:49,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-13 23:16:49,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-13 23:16:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-13 23:16:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2019-10-13 23:16:49,290 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 43 [2019-10-13 23:16:49,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:49,291 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2019-10-13 23:16:49,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2019-10-13 23:16:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:16:49,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:49,294 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:49,294 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:49,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:49,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1147089187, now seen corresponding path program 1 times [2019-10-13 23:16:49,295 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:49,295 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869512070] [2019-10-13 23:16:49,295 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:49,296 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:49,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:49,514 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 23:16:49,514 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869512070] [2019-10-13 23:16:49,515 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:49,515 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:49,515 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372205994] [2019-10-13 23:16:49,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:49,516 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:49,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:49,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:49,517 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand 7 states. [2019-10-13 23:16:50,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:50,032 INFO L93 Difference]: Finished difference Result 309 states and 370 transitions. [2019-10-13 23:16:50,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:16:50,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:16:50,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:50,038 INFO L225 Difference]: With dead ends: 309 [2019-10-13 23:16:50,038 INFO L226 Difference]: Without dead ends: 228 [2019-10-13 23:16:50,039 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:50,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-13 23:16:50,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2019-10-13 23:16:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-13 23:16:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 263 transitions. [2019-10-13 23:16:50,089 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 263 transitions. Word has length 46 [2019-10-13 23:16:50,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:50,089 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 263 transitions. [2019-10-13 23:16:50,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions. [2019-10-13 23:16:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:16:50,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:50,093 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 23:16:50,093 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:50,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:50,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1329475510, now seen corresponding path program 1 times [2019-10-13 23:16:50,094 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:50,094 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425236478] [2019-10-13 23:16:50,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:50,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:50,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:50,227 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 23:16:50,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425236478] [2019-10-13 23:16:50,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:50,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:50,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657286900] [2019-10-13 23:16:50,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:50,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:50,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:50,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:50,230 INFO L87 Difference]: Start difference. First operand 220 states and 263 transitions. Second operand 10 states. [2019-10-13 23:16:50,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:50,890 INFO L93 Difference]: Finished difference Result 775 states and 974 transitions. [2019-10-13 23:16:50,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:16:50,891 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-13 23:16:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:50,897 INFO L225 Difference]: With dead ends: 775 [2019-10-13 23:16:50,898 INFO L226 Difference]: Without dead ends: 577 [2019-10-13 23:16:50,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:16:50,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-13 23:16:50,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 553. [2019-10-13 23:16:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2019-10-13 23:16:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 680 transitions. [2019-10-13 23:16:50,975 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 680 transitions. Word has length 51 [2019-10-13 23:16:50,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:50,976 INFO L462 AbstractCegarLoop]: Abstraction has 553 states and 680 transitions. [2019-10-13 23:16:50,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 680 transitions. [2019-10-13 23:16:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:16:50,987 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:50,990 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:50,990 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:50,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:50,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1049497144, now seen corresponding path program 1 times [2019-10-13 23:16:50,991 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:50,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346439406] [2019-10-13 23:16:50,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:50,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:50,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:51,117 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 23:16:51,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346439406] [2019-10-13 23:16:51,119 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:51,119 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:16:51,119 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315591168] [2019-10-13 23:16:51,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:16:51,120 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:51,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:16:51,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:16:51,122 INFO L87 Difference]: Start difference. First operand 553 states and 680 transitions. Second operand 4 states. [2019-10-13 23:16:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:51,279 INFO L93 Difference]: Finished difference Result 916 states and 1165 transitions. [2019-10-13 23:16:51,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:16:51,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2019-10-13 23:16:51,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:51,286 INFO L225 Difference]: With dead ends: 916 [2019-10-13 23:16:51,286 INFO L226 Difference]: Without dead ends: 385 [2019-10-13 23:16:51,289 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:16:51,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-13 23:16:51,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 373. [2019-10-13 23:16:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-13 23:16:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 420 transitions. [2019-10-13 23:16:51,334 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 420 transitions. Word has length 57 [2019-10-13 23:16:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:51,335 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 420 transitions. [2019-10-13 23:16:51,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:16:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2019-10-13 23:16:51,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 23:16:51,342 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:51,343 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:51,343 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:51,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:51,344 INFO L82 PathProgramCache]: Analyzing trace with hash 130770556, now seen corresponding path program 1 times [2019-10-13 23:16:51,344 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:51,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464094132] [2019-10-13 23:16:51,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:51,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:51,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 23:16:51,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464094132] [2019-10-13 23:16:51,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677252578] [2019-10-13 23:16:51,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:51,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 23:16:51,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:16:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:16:51,817 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:16:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:16:51,959 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 23:16:51,959 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-13 23:16:51,959 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927291914] [2019-10-13 23:16:51,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:51,960 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:51,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:51,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:16:51,961 INFO L87 Difference]: Start difference. First operand 373 states and 420 transitions. Second operand 7 states. [2019-10-13 23:16:52,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:52,132 INFO L93 Difference]: Finished difference Result 379 states and 426 transitions. [2019-10-13 23:16:52,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:52,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-10-13 23:16:52,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:52,133 INFO L225 Difference]: With dead ends: 379 [2019-10-13 23:16:52,133 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:52,135 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:16:52,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:52,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-13 23:16:52,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:52,136 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:52,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:52,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:52,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:16:52,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:53,508 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-13 23:16:53,873 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-13 23:16:53,873 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-13 23:16:53,873 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-13 23:16:53,874 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 23:16:53,875 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 532 538) the Hoare annotation is: true [2019-10-13 23:16:53,875 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 532 538) no Hoare annotation was computed. [2019-10-13 23:16:53,875 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 539 547) no Hoare annotation was computed. [2019-10-13 23:16:53,875 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 539 547) the Hoare annotation is: true [2019-10-13 23:16:53,875 INFO L439 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:16:53,875 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2019-10-13 23:16:53,875 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-10-13 23:16:53,875 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-13 23:16:53,876 INFO L443 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-10-13 23:16:53,876 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-10-13 23:16:53,876 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2019-10-13 23:16:53,876 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 23:16:53,876 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 23:16:53,876 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2019-10-13 23:16:53,876 INFO L439 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,877 INFO L439 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,877 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,877 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-10-13 23:16:53,877 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2019-10-13 23:16:53,877 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-13 23:16:53,877 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,878 INFO L439 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,878 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2019-10-13 23:16:53,878 INFO L439 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,878 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 874 897) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 874 897) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point L892(line 892) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 874 897) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-13 23:16:53,879 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-13 23:16:53,880 INFO L443 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2019-10-13 23:16:53,881 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2019-10-13 23:16:53,881 INFO L439 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:16:53,881 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:16:53,881 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-10-13 23:16:53,881 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-13 23:16:53,881 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2019-10-13 23:16:53,882 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2019-10-13 23:16:53,882 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2019-10-13 23:16:53,882 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-13 23:16:53,882 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-13 23:16:53,882 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-13 23:16:53,882 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-10-13 23:16:53,882 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 746 781) no Hoare annotation was computed. [2019-10-13 23:16:53,882 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 746 781) no Hoare annotation was computed. [2019-10-13 23:16:53,883 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 525 531) no Hoare annotation was computed. [2019-10-13 23:16:53,883 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 525 531) the Hoare annotation is: true [2019-10-13 23:16:53,883 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-13 23:16:53,883 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-13 23:16:53,883 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-13 23:16:53,883 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-13 23:16:53,884 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 905 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,884 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 905 914) no Hoare annotation was computed. [2019-10-13 23:16:53,884 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 905 914) no Hoare annotation was computed. [2019-10-13 23:16:53,884 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2019-10-13 23:16:53,884 INFO L446 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2019-10-13 23:16:53,884 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2019-10-13 23:16:53,884 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-10-13 23:16:53,884 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2019-10-13 23:16:53,885 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2019-10-13 23:16:53,885 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:53,885 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2019-10-13 23:16:53,885 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:16:53,885 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:16:53,885 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2019-10-13 23:16:53,885 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2019-10-13 23:16:53,885 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:53,885 INFO L439 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:16:53,886 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-13 23:16:53,886 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2019-10-13 23:16:53,886 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2019-10-13 23:16:53,886 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2019-10-13 23:16:53,886 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 552 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,886 INFO L439 ceAbstractionStarter]: At program point L607(lines 562 609) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,886 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,886 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-10-13 23:16:53,886 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2019-10-13 23:16:53,886 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 552 617) no Hoare annotation was computed. [2019-10-13 23:16:53,886 INFO L439 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,887 INFO L439 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,887 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2019-10-13 23:16:53,887 INFO L439 ceAbstractionStarter]: At program point L598-1(lines 592 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,887 INFO L443 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2019-10-13 23:16:53,887 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2019-10-13 23:16:53,887 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:53,887 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-10-13 23:16:53,887 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 552 617) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-13 23:16:53,888 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-13 23:16:53,889 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-13 23:16:53,890 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-13 23:16:53,890 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 515 524) no Hoare annotation was computed. [2019-10-13 23:16:53,890 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 515 524) no Hoare annotation was computed. [2019-10-13 23:16:53,890 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:16:53,890 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:53,890 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 717) no Hoare annotation was computed. [2019-10-13 23:16:53,890 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 710 717) no Hoare annotation was computed. [2019-10-13 23:16:53,890 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2019-10-13 23:16:53,891 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-13 23:16:53,891 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:53,891 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:53,891 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2019-10-13 23:16:53,891 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2019-10-13 23:16:53,891 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2019-10-13 23:16:53,891 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-13 23:16:53,891 INFO L439 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 23:16:53,891 INFO L439 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-13 23:16:53,891 INFO L439 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:16:53,892 INFO L443 ceAbstractionStarter]: For program point L631(lines 630 649) no Hoare annotation was computed. [2019-10-13 23:16:53,892 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-13 23:16:53,892 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2019-10-13 23:16:53,892 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2019-10-13 23:16:53,892 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-13 23:16:53,892 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 844 873) no Hoare annotation was computed. [2019-10-13 23:16:53,892 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 844 873) the Hoare annotation is: true [2019-10-13 23:16:53,892 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-10-13 23:16:53,892 INFO L446 ceAbstractionStarter]: At program point L858-1(lines 858 862) the Hoare annotation is: true [2019-10-13 23:16:53,892 INFO L446 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: true [2019-10-13 23:16:53,892 INFO L446 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2019-10-13 23:16:53,893 INFO L443 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-10-13 23:16:53,893 INFO L446 ceAbstractionStarter]: At program point L869(lines 844 873) the Hoare annotation is: true [2019-10-13 23:16:53,893 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2019-10-13 23:16:53,893 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2019-10-13 23:16:53,893 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 898 904) no Hoare annotation was computed. [2019-10-13 23:16:53,893 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 898 904) the Hoare annotation is: true [2019-10-13 23:16:53,893 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:53,893 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:53,894 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:53,894 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:53,895 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2019-10-13 23:16:53,895 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-13 23:16:53,895 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:16:53,896 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:16:53,896 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:16:53,896 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:16:53,896 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2019-10-13 23:16:53,896 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:16:53,896 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2019-10-13 23:16:53,896 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:53,897 INFO L439 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:16:53,897 INFO L443 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2019-10-13 23:16:53,897 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2019-10-13 23:16:53,897 INFO L439 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:53,897 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2019-10-13 23:16:53,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:53 BoogieIcfgContainer [2019-10-13 23:16:53,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:53,914 INFO L168 Benchmark]: Toolchain (without parser) took 8281.30 ms. Allocated memory was 136.8 MB in the beginning and 300.4 MB in the end (delta: 163.6 MB). Free memory was 100.5 MB in the beginning and 160.2 MB in the end (delta: -59.8 MB). Peak memory consumption was 180.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:53,915 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:16:53,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.93 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 170.6 MB in the end (delta: -70.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:53,916 INFO L168 Benchmark]: Boogie Preprocessor took 115.29 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:53,917 INFO L168 Benchmark]: RCFGBuilder took 1976.80 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.4 MB in the beginning and 150.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:53,919 INFO L168 Benchmark]: TraceAbstraction took 5490.03 ms. Allocated memory was 232.3 MB in the beginning and 300.4 MB in the end (delta: 68.2 MB). Free memory was 150.4 MB in the beginning and 160.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:53,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.93 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 170.6 MB in the end (delta: -70.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.29 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1976.80 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.4 MB in the beginning and 150.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5490.03 ms. Allocated memory was 232.3 MB in the beginning and 300.4 MB in the end (delta: 68.2 MB). Free memory was 150.4 MB in the beginning and 160.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 562]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 5.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 703 SDtfs, 564 SDslu, 1580 SDs, 0 SdLazy, 599 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 44 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 715 PreInvPairs, 773 NumberOfFragments, 577 HoareAnnotationTreeSize, 715 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 3095 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 51024 SizeOfPredicates, 2 NumberOfNonLiveVariables, 738 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 57/60 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...