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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:11,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:11,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:11,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:11,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:11,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:11,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:11,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:11,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:11,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:11,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:11,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:11,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:11,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:11,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:11,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:11,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:11,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:11,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:11,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:11,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:11,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:11,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:11,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:11,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:11,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:11,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:11,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:11,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:11,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:11,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:11,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:11,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:11,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:11,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:11,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:11,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:11,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:11,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:11,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:11,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:11,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:19:11,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:11,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:11,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:11,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:11,460 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:11,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:11,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:11,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:11,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:11,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:11,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:11,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:11,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:11,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:11,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:11,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:11,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:11,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:11,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:11,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:11,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:11,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:11,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:11,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:11,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:11,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:11,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:11,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:11,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:19:11,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:11,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:11,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:11,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:11,784 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:11,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2019-10-07 15:19:11,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855869615/7cd3bd17d3ba46b6a18dcd5767f7ffc8/FLAGf0a22079b [2019-10-07 15:19:12,332 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:12,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2019-10-07 15:19:12,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855869615/7cd3bd17d3ba46b6a18dcd5767f7ffc8/FLAGf0a22079b [2019-10-07 15:19:12,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855869615/7cd3bd17d3ba46b6a18dcd5767f7ffc8 [2019-10-07 15:19:12,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:12,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:12,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:12,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:12,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:12,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191613fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12, skipping insertion in model container [2019-10-07 15:19:12,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,683 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:12,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:13,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:13,205 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:13,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:13,321 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:13,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13 WrapperNode [2019-10-07 15:19:13,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:13,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:13,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:13,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:13,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... [2019-10-07 15:19:13,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... [2019-10-07 15:19:13,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... [2019-10-07 15:19:13,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... [2019-10-07 15:19:13,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... [2019-10-07 15:19:13,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... [2019-10-07 15:19:13,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... [2019-10-07 15:19:13,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:13,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:13,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:13,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:13,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:19:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:14,924 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:14,925 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:14,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:14 BoogieIcfgContainer [2019-10-07 15:19:14,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:14,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:14,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:14,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:14,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:12" (1/3) ... [2019-10-07 15:19:14,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff4297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:14, skipping insertion in model container [2019-10-07 15:19:14,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:13" (2/3) ... [2019-10-07 15:19:14,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ff4297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:14, skipping insertion in model container [2019-10-07 15:19:14,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:14" (3/3) ... [2019-10-07 15:19:14,934 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2019-10-07 15:19:14,943 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:14,952 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:14,963 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:14,989 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:14,989 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:14,989 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:14,989 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:14,990 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:14,990 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:14,990 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:14,990 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-10-07 15:19:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:15,025 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:15,026 INFO L385 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] [2019-10-07 15:19:15,028 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:15,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:15,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2078575812, now seen corresponding path program 1 times [2019-10-07 15:19:15,047 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:15,047 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,047 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:15,444 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,444 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:15,445 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:15,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:15,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:15,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:15,464 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-10-07 15:19:15,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:15,497 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2019-10-07 15:19:15,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:15,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:15,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:15,510 INFO L225 Difference]: With dead ends: 189 [2019-10-07 15:19:15,510 INFO L226 Difference]: Without dead ends: 95 [2019-10-07 15:19:15,515 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-07 15:19:15,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-07 15:19:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-07 15:19:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2019-10-07 15:19:15,567 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 42 [2019-10-07 15:19:15,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:15,568 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2019-10-07 15:19:15,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2019-10-07 15:19:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:15,572 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:15,572 INFO L385 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] [2019-10-07 15:19:15,572 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:15,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:15,573 INFO L82 PathProgramCache]: Analyzing trace with hash -539304709, now seen corresponding path program 1 times [2019-10-07 15:19:15,573 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:15,573 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,574 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:15,752 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,752 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:15,752 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:15,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:15,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:15,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:15,756 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2019-10-07 15:19:15,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:15,791 INFO L93 Difference]: Finished difference Result 140 states and 160 transitions. [2019-10-07 15:19:15,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:15,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:15,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:15,797 INFO L225 Difference]: With dead ends: 140 [2019-10-07 15:19:15,798 INFO L226 Difference]: Without dead ends: 87 [2019-10-07 15:19:15,799 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:15,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-07 15:19:15,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-10-07 15:19:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-07 15:19:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2019-10-07 15:19:15,818 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 43 [2019-10-07 15:19:15,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:15,819 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2019-10-07 15:19:15,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2019-10-07 15:19:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:19:15,821 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:15,821 INFO L385 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] [2019-10-07 15:19:15,822 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:15,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:15,823 INFO L82 PathProgramCache]: Analyzing trace with hash -2140571742, now seen corresponding path program 1 times [2019-10-07 15:19:15,823 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:15,823 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:16,006 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,006 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:16,006 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:16,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:16,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:16,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:16,008 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 7 states. [2019-10-07 15:19:16,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:16,433 INFO L93 Difference]: Finished difference Result 261 states and 310 transitions. [2019-10-07 15:19:16,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:19:16,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:19:16,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:16,437 INFO L225 Difference]: With dead ends: 261 [2019-10-07 15:19:16,438 INFO L226 Difference]: Without dead ends: 196 [2019-10-07 15:19:16,439 INFO L606 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 [2019-10-07 15:19:16,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-10-07 15:19:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 188. [2019-10-07 15:19:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-10-07 15:19:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 223 transitions. [2019-10-07 15:19:16,479 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 223 transitions. Word has length 46 [2019-10-07 15:19:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:16,480 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 223 transitions. [2019-10-07 15:19:16,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 223 transitions. [2019-10-07 15:19:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:19:16,486 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:16,486 INFO L385 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] [2019-10-07 15:19:16,486 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:16,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:16,487 INFO L82 PathProgramCache]: Analyzing trace with hash -924862080, now seen corresponding path program 1 times [2019-10-07 15:19:16,490 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:16,490 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,491 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:16,671 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,671 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:16,671 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:16,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:16,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:16,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:16,672 INFO L87 Difference]: Start difference. First operand 188 states and 223 transitions. Second operand 10 states. [2019-10-07 15:19:17,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:17,160 INFO L93 Difference]: Finished difference Result 647 states and 814 transitions. [2019-10-07 15:19:17,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:17,160 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-07 15:19:17,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:17,188 INFO L225 Difference]: With dead ends: 647 [2019-10-07 15:19:17,189 INFO L226 Difference]: Without dead ends: 481 [2019-10-07 15:19:17,195 INFO L606 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 [2019-10-07 15:19:17,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-10-07 15:19:17,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 457. [2019-10-07 15:19:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-07 15:19:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 560 transitions. [2019-10-07 15:19:17,277 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 560 transitions. Word has length 51 [2019-10-07 15:19:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:17,278 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 560 transitions. [2019-10-07 15:19:17,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 560 transitions. [2019-10-07 15:19:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:19:17,285 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:17,285 INFO L385 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] [2019-10-07 15:19:17,285 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:17,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:17,286 INFO L82 PathProgramCache]: Analyzing trace with hash 966656104, now seen corresponding path program 1 times [2019-10-07 15:19:17,286 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:17,288 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,288 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,288 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:17,368 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,368 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:17,369 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:19:17,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:19:17,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:19:17,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:19:17,370 INFO L87 Difference]: Start difference. First operand 457 states and 560 transitions. Second operand 4 states. [2019-10-07 15:19:17,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:17,532 INFO L93 Difference]: Finished difference Result 790 states and 1003 transitions. [2019-10-07 15:19:17,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 15:19:17,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-07 15:19:17,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:17,536 INFO L225 Difference]: With dead ends: 790 [2019-10-07 15:19:17,536 INFO L226 Difference]: Without dead ends: 355 [2019-10-07 15:19:17,540 INFO L606 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 [2019-10-07 15:19:17,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-10-07 15:19:17,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 343. [2019-10-07 15:19:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-07 15:19:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 390 transitions. [2019-10-07 15:19:17,569 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 390 transitions. Word has length 54 [2019-10-07 15:19:17,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:17,570 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 390 transitions. [2019-10-07 15:19:17,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:19:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 390 transitions. [2019-10-07 15:19:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 15:19:17,572 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:17,572 INFO L385 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] [2019-10-07 15:19:17,573 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:17,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:17,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1065025927, now seen corresponding path program 1 times [2019-10-07 15:19:17,573 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:17,574 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,574 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,574 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:19:17,673 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,673 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:17,673 INFO L95 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 [2019-10-07 15:19:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:17,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 15:19:17,939 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:19:18,051 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:18,052 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:18,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:18,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:18,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:18,055 INFO L87 Difference]: Start difference. First operand 343 states and 390 transitions. Second operand 7 states. [2019-10-07 15:19:18,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:18,208 INFO L93 Difference]: Finished difference Result 349 states and 396 transitions. [2019-10-07 15:19:18,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:18,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-10-07 15:19:18,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:18,209 INFO L225 Difference]: With dead ends: 349 [2019-10-07 15:19:18,209 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:18,210 INFO L606 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 [2019-10-07 15:19:18,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:18,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-07 15:19:18,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:18,213 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:18,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:18,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:18,420 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:18,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:18,924 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:19:19,153 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 19 [2019-10-07 15:19:19,710 INFO L443 ceAbstractionStarter]: For program point L641-2(lines 641 662) no Hoare annotation was computed. [2019-10-07 15:19:19,710 INFO L443 ceAbstractionStarter]: For program point L663(lines 640 664) no Hoare annotation was computed. [2019-10-07 15:19:19,710 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 651) no Hoare annotation was computed. [2019-10-07 15:19:19,710 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 616 671) no Hoare annotation was computed. [2019-10-07 15:19:19,710 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 616 671) no Hoare annotation was computed. [2019-10-07 15:19:19,710 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L443 ceAbstractionStarter]: For program point L698-2(lines 698 723) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 672 731) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L443 ceAbstractionStarter]: For program point L724(lines 697 725) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 672 731) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 672 731) no Hoare annotation was computed. [2019-10-07 15:19:19,711 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2019-10-07 15:19:19,712 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2019-10-07 15:19:19,712 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2019-10-07 15:19:19,712 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2019-10-07 15:19:19,712 INFO L446 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2019-10-07 15:19:19,712 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-10-07 15:19:19,712 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2019-10-07 15:19:19,712 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2019-10-07 15:19:19,713 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:19:19,713 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2019-10-07 15:19:19,713 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:19:19,713 INFO L443 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2019-10-07 15:19:19,713 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2019-10-07 15:19:19,713 INFO L443 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2019-10-07 15:19:19,713 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:19:19,714 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-07 15:19:19,714 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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))) [2019-10-07 15:19:19,714 INFO L439 ceAbstractionStarter]: At program point L126(line 126) 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))) [2019-10-07 15:19:19,714 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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))) [2019-10-07 15:19:19,714 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) 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))) [2019-10-07 15:19:19,715 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-07 15:19:19,715 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,715 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,715 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:19:19,716 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:19,716 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:19:19,716 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:19,716 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:19:19,716 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:19,716 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:19:19,716 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:19:19,717 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:19:19,717 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:19:19,717 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:19:19,717 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:19:19,717 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:19:19,717 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:19:19,718 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:19:19,718 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:19:19,718 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:19:19,718 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:19:19,718 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2019-10-07 15:19:19,718 INFO L439 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:19,718 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 513 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,719 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-10-07 15:19:19,719 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2019-10-07 15:19:19,719 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2019-10-07 15:19:19,719 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2019-10-07 15:19:19,719 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2019-10-07 15:19:19,719 INFO L446 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2019-10-07 15:19:19,720 INFO L443 ceAbstractionStarter]: For program point L501-1(line 501) no Hoare annotation was computed. [2019-10-07 15:19:19,720 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-07 15:19:19,720 INFO L443 ceAbstractionStarter]: For program point L488-1(line 488) no Hoare annotation was computed. [2019-10-07 15:19:19,720 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 458 493) no Hoare annotation was computed. [2019-10-07 15:19:19,720 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 458 493) no Hoare annotation was computed. [2019-10-07 15:19:19,720 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2019-10-07 15:19:19,720 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2019-10-07 15:19:19,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 570 615) no Hoare annotation was computed. [2019-10-07 15:19:19,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 570 615) no Hoare annotation was computed. [2019-10-07 15:19:19,721 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 883 928) no Hoare annotation was computed. [2019-10-07 15:19:19,721 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 883 928) no Hoare annotation was computed. [2019-10-07 15:19:19,721 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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))) [2019-10-07 15:19:19,721 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:19:19,721 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:19:19,722 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 438 448) no Hoare annotation was computed. [2019-10-07 15:19:19,722 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-07 15:19:19,722 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 438 448) no Hoare annotation was computed. [2019-10-07 15:19:19,722 INFO L443 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2019-10-07 15:19:19,722 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2019-10-07 15:19:19,722 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2019-10-07 15:19:19,722 INFO L439 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,723 INFO L443 ceAbstractionStarter]: For program point L385-1(line 385) no Hoare annotation was computed. [2019-10-07 15:19:19,723 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 400) no Hoare annotation was computed. [2019-10-07 15:19:19,723 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2019-10-07 15:19:19,723 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 379 403) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,723 INFO L439 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,723 INFO L443 ceAbstractionStarter]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2019-10-07 15:19:19,723 INFO L439 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,724 INFO L439 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:19,724 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 395) no Hoare annotation was computed. [2019-10-07 15:19:19,724 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2019-10-07 15:19:19,724 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2019-10-07 15:19:19,724 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 275 340) 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))) [2019-10-07 15:19:19,724 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2019-10-07 15:19:19,725 INFO L439 ceAbstractionStarter]: At program point L333(lines 284 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,725 INFO L439 ceAbstractionStarter]: At program point L323(line 323) 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))) [2019-10-07 15:19:19,725 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-10-07 15:19:19,725 INFO L439 ceAbstractionStarter]: At program point L321-1(lines 315 328) 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))) [2019-10-07 15:19:19,725 INFO L443 ceAbstractionStarter]: For program point L286(lines 285 332) no Hoare annotation was computed. [2019-10-07 15:19:19,725 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 328) no Hoare annotation was computed. [2019-10-07 15:19:19,725 INFO L439 ceAbstractionStarter]: At program point L307(line 307) 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))) [2019-10-07 15:19:19,726 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2019-10-07 15:19:19,726 INFO L443 ceAbstractionStarter]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2019-10-07 15:19:19,726 INFO L439 ceAbstractionStarter]: At program point L330(lines 285 332) 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))) [2019-10-07 15:19:19,726 INFO L439 ceAbstractionStarter]: At program point L297(line 297) 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))) [2019-10-07 15:19:19,726 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-10-07 15:19:19,726 INFO L443 ceAbstractionStarter]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2019-10-07 15:19:19,727 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2019-10-07 15:19:19,727 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 837 882) no Hoare annotation was computed. [2019-10-07 15:19:19,727 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 837 882) no Hoare annotation was computed. [2019-10-07 15:19:19,727 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 404 411) no Hoare annotation was computed. [2019-10-07 15:19:19,727 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 404 411) no Hoare annotation was computed. [2019-10-07 15:19:19,727 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2019-10-07 15:19:19,727 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2019-10-07 15:19:19,728 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 232 254) no Hoare annotation was computed. [2019-10-07 15:19:19,728 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 232 254) no Hoare annotation was computed. [2019-10-07 15:19:19,728 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 530 539) no Hoare annotation was computed. [2019-10-07 15:19:19,728 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 530 539) no Hoare annotation was computed. [2019-10-07 15:19:19,728 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-07 15:19:19,728 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 734 836) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point L783-2(lines 783 803) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 734 836) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point L804(lines 782 805) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 779) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 734 836) no Hoare annotation was computed. [2019-10-07 15:19:19,729 INFO L443 ceAbstractionStarter]: For program point L784(lines 783 803) no Hoare annotation was computed. [2019-10-07 15:19:19,730 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-07 15:19:19,730 INFO L443 ceAbstractionStarter]: For program point L815-1(line 815) no Hoare annotation was computed. [2019-10-07 15:19:19,730 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 821) no Hoare annotation was computed. [2019-10-07 15:19:19,730 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:19:19,730 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,730 INFO L443 ceAbstractionStarter]: For program point L418-1(line 418) no Hoare annotation was computed. [2019-10-07 15:19:19,730 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 413 429) no Hoare annotation was computed. [2019-10-07 15:19:19,731 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 413 429) no Hoare annotation was computed. [2019-10-07 15:19:19,731 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-07 15:19:19,731 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 413 429) no Hoare annotation was computed. [2019-10-07 15:19:19,731 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-10-07 15:19:19,731 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-07 15:19:19,731 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2019-10-07 15:19:19,731 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2019-10-07 15:19:19,732 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 211 222) the Hoare annotation is: true [2019-10-07 15:19:19,732 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2019-10-07 15:19:19,732 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,732 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,732 INFO L439 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:19,732 INFO L443 ceAbstractionStarter]: For program point L351(lines 350 369) no Hoare annotation was computed. [2019-10-07 15:19:19,733 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 347 370) 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)))) [2019-10-07 15:19:19,733 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2019-10-07 15:19:19,733 INFO L439 ceAbstractionStarter]: At program point L360(line 360) 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))))) [2019-10-07 15:19:19,733 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2019-10-07 15:19:19,733 INFO L439 ceAbstractionStarter]: At program point L358(lines 358 364) 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)))) [2019-10-07 15:19:19,733 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:19:19,734 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:19:19,734 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:19:19,734 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:19:19,734 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:19:19,734 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:19:19,734 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:19:19,734 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:19:19,735 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:19:19,735 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 223 231) no Hoare annotation was computed. [2019-10-07 15:19:19,735 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 223 231) no Hoare annotation was computed. [2019-10-07 15:19:19,735 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2019-10-07 15:19:19,735 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2019-10-07 15:19:19,735 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:19:19,735 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:19:19,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,736 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,736 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:19,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,736 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2019-10-07 15:19:19,736 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 199 210) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-07 15:19:19,737 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2019-10-07 15:19:19,737 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-07 15:19:19,737 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2019-10-07 15:19:19,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:19 BoogieIcfgContainer [2019-10-07 15:19:19,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:19,752 INFO L168 Benchmark]: Toolchain (without parser) took 7084.59 ms. Allocated memory was 145.8 MB in the beginning and 282.6 MB in the end (delta: 136.8 MB). Free memory was 102.7 MB in the beginning and 151.9 MB in the end (delta: -49.1 MB). Peak memory consumption was 149.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,753 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.71 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 172.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,755 INFO L168 Benchmark]: Boogie Preprocessor took 85.21 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,756 INFO L168 Benchmark]: RCFGBuilder took 1517.49 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 152.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,757 INFO L168 Benchmark]: TraceAbstraction took 4822.80 ms. Allocated memory was 234.9 MB in the beginning and 282.6 MB in the end (delta: 47.7 MB). Free memory was 152.3 MB in the beginning and 151.9 MB in the end (delta: 471.8 kB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.71 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 172.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.21 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1517.49 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 152.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4822.80 ms. Allocated memory was 234.9 MB in the beginning and 282.6 MB in the end (delta: 47.7 MB). Free memory was 152.3 MB in the beginning and 151.9 MB in the end (delta: 471.8 kB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 285]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 180 locations, 1 error locations. Result: SAFE, OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 601 SDtfs, 463 SDslu, 1325 SDs, 0 SdLazy, 496 SolverSat, 113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s 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=457occurred 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, 52 LocationsWithAnnotation, 531 PreInvPairs, 589 NumberOfFragments, 528 HoareAnnotationTreeSize, 531 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 2657 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 50429 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...