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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:47,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:47,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:47,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:47,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:47,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:47,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:47,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:47,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:47,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:47,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:47,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:47,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:47,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:47,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:47,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:47,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:47,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:47,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:47,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:47,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:47,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:47,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:47,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:47,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:47,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:47,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:47,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:47,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:47,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:47,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:47,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:47,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:47,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:47,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:47,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:47,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:47,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:47,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:47,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:47,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:47,437 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 15:18:47,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:47,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:47,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:47,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:47,460 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:47,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:47,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:47,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:47,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:47,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:47,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:47,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:47,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:47,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:47,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:47,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:47,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:47,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:47,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:47,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:47,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:47,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:47,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:47,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:47,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:47,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:47,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:47,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:47,466 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 15:18:47,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:47,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:47,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:47,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:47,760 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:47,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-10-07 15:18:47,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0179ec5d/e02c042f9e1444b8a247290be74cae29/FLAG25a4789f5 [2019-10-07 15:18:48,397 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:48,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-10-07 15:18:48,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0179ec5d/e02c042f9e1444b8a247290be74cae29/FLAG25a4789f5 [2019-10-07 15:18:48,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0179ec5d/e02c042f9e1444b8a247290be74cae29 [2019-10-07 15:18:48,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:48,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:48,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:48,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:48,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:48,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f16bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48, skipping insertion in model container [2019-10-07 15:18:48,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:48,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:49,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:49,172 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:49,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:49,287 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:49,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49 WrapperNode [2019-10-07 15:18:49,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:49,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:49,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:49,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:49,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (1/1) ... [2019-10-07 15:18:49,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (1/1) ... [2019-10-07 15:18:49,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (1/1) ... [2019-10-07 15:18:49,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (1/1) ... [2019-10-07 15:18:49,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (1/1) ... [2019-10-07 15:18:49,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (1/1) ... [2019-10-07 15:18:49,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (1/1) ... [2019-10-07 15:18:49,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:49,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:49,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:49,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:49,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (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 15:18:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:49,464 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:18:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:18:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:18:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:18:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:51,016 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:51,017 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:51,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:51 BoogieIcfgContainer [2019-10-07 15:18:51,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:51,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:51,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:51,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:51,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:48" (1/3) ... [2019-10-07 15:18:51,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60afabe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:51, skipping insertion in model container [2019-10-07 15:18:51,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:49" (2/3) ... [2019-10-07 15:18:51,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60afabe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:51, skipping insertion in model container [2019-10-07 15:18:51,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:51" (3/3) ... [2019-10-07 15:18:51,031 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-10-07 15:18:51,041 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:51,051 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:51,063 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:51,106 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:51,106 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:51,107 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:51,107 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:51,107 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:51,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:51,108 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:51,108 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2019-10-07 15:18:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:18:51,144 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:51,145 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 15:18:51,148 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:51,154 INFO L82 PathProgramCache]: Analyzing trace with hash 698374358, now seen corresponding path program 1 times [2019-10-07 15:18:51,163 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:51,164 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,164 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,164 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:51,528 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 15:18:51,529 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,529 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:51,531 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:51,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:51,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:51,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:51,551 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2019-10-07 15:18:51,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:51,584 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2019-10-07 15:18:51,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:51,586 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:18:51,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:51,597 INFO L225 Difference]: With dead ends: 157 [2019-10-07 15:18:51,598 INFO L226 Difference]: Without dead ends: 79 [2019-10-07 15:18:51,602 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 15:18:51,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-07 15:18:51,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-10-07 15:18:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-07 15:18:51,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2019-10-07 15:18:51,677 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2019-10-07 15:18:51,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:51,678 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2019-10-07 15:18:51,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-10-07 15:18:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:18:51,681 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:51,681 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 15:18:51,682 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:51,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:51,682 INFO L82 PathProgramCache]: Analyzing trace with hash 294115695, now seen corresponding path program 1 times [2019-10-07 15:18:51,682 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:51,683 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,683 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,683 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:51,814 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 15:18:51,814 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,814 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:51,814 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:51,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:51,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:51,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:51,818 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 3 states. [2019-10-07 15:18:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:51,840 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-10-07 15:18:51,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:51,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:18:51,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:51,843 INFO L225 Difference]: With dead ends: 106 [2019-10-07 15:18:51,843 INFO L226 Difference]: Without dead ends: 71 [2019-10-07 15:18:51,845 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 15:18:51,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-07 15:18:51,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-07 15:18:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-07 15:18:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2019-10-07 15:18:51,859 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 43 [2019-10-07 15:18:51,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:51,860 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2019-10-07 15:18:51,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2019-10-07 15:18:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:18:51,862 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:51,862 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 15:18:51,863 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:51,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:51,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1950306087, now seen corresponding path program 1 times [2019-10-07 15:18:51,865 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:51,865 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,865 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,865 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:52,038 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 15:18:52,039 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:52,039 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:52,039 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:52,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:52,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:52,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:52,041 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 7 states. [2019-10-07 15:18:52,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:52,460 INFO L93 Difference]: Finished difference Result 213 states and 250 transitions. [2019-10-07 15:18:52,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:52,462 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:18:52,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:52,468 INFO L225 Difference]: With dead ends: 213 [2019-10-07 15:18:52,468 INFO L226 Difference]: Without dead ends: 164 [2019-10-07 15:18:52,471 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 15:18:52,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-07 15:18:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2019-10-07 15:18:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-07 15:18:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2019-10-07 15:18:52,522 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 46 [2019-10-07 15:18:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:52,522 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2019-10-07 15:18:52,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2019-10-07 15:18:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:18:52,527 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:52,527 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] [2019-10-07 15:18:52,527 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:52,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:52,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1683610662, now seen corresponding path program 1 times [2019-10-07 15:18:52,528 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:52,528 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:52,528 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:52,528 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:52,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:52,769 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 15:18:52,770 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:52,770 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:52,770 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:52,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:52,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:52,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:52,772 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 10 states. [2019-10-07 15:18:53,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:53,243 INFO L93 Difference]: Finished difference Result 479 states and 598 transitions. [2019-10-07 15:18:53,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:18:53,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2019-10-07 15:18:53,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:53,256 INFO L225 Difference]: With dead ends: 479 [2019-10-07 15:18:53,256 INFO L226 Difference]: Without dead ends: 355 [2019-10-07 15:18:53,260 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 15:18:53,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-10-07 15:18:53,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 331. [2019-10-07 15:18:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-10-07 15:18:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 398 transitions. [2019-10-07 15:18:53,341 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 398 transitions. Word has length 49 [2019-10-07 15:18:53,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:53,344 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 398 transitions. [2019-10-07 15:18:53,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 398 transitions. [2019-10-07 15:18:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:18:53,347 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:53,347 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] [2019-10-07 15:18:53,347 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:53,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1275615311, now seen corresponding path program 1 times [2019-10-07 15:18:53,348 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:53,348 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:53,348 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:53,348 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:53,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:53,471 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 15:18:53,472 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:53,472 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:53,477 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:53,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:53,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:53,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:53,479 INFO L87 Difference]: Start difference. First operand 331 states and 398 transitions. Second operand 3 states. [2019-10-07 15:18:53,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:53,506 INFO L93 Difference]: Finished difference Result 563 states and 692 transitions. [2019-10-07 15:18:53,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:53,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-07 15:18:53,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:53,510 INFO L225 Difference]: With dead ends: 563 [2019-10-07 15:18:53,510 INFO L226 Difference]: Without dead ends: 313 [2019-10-07 15:18:53,512 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 15:18:53,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-10-07 15:18:53,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-10-07 15:18:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-10-07 15:18:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 360 transitions. [2019-10-07 15:18:53,536 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 360 transitions. Word has length 52 [2019-10-07 15:18:53,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:53,536 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 360 transitions. [2019-10-07 15:18:53,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 360 transitions. [2019-10-07 15:18:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:18:53,539 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:53,540 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2019-10-07 15:18:53,540 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:53,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:53,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1850954013, now seen corresponding path program 1 times [2019-10-07 15:18:53,541 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:53,541 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:53,541 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:53,541 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:18:53,736 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:53,736 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:53,737 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:53,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:53,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:53,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:53,740 INFO L87 Difference]: Start difference. First operand 313 states and 360 transitions. Second operand 6 states. [2019-10-07 15:18:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:53,921 INFO L93 Difference]: Finished difference Result 319 states and 366 transitions. [2019-10-07 15:18:53,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:53,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-07 15:18:53,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:53,923 INFO L225 Difference]: With dead ends: 319 [2019-10-07 15:18:53,923 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:53,925 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:18:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:53,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:53,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:53,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-07 15:18:53,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:53,926 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:53,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:53,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:53,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:54,779 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-07 15:18:54,780 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-07 15:18:54,781 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:18:54,781 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-07 15:18:54,781 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:18:54,781 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-07 15:18:54,781 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2019-10-07 15:18:54,781 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2019-10-07 15:18:54,782 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2019-10-07 15:18:54,782 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2019-10-07 15:18:54,782 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2019-10-07 15:18:54,782 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2019-10-07 15:18:54,782 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:18:54,782 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2019-10-07 15:18:54,783 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:18:54,783 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-10-07 15:18:54,783 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2019-10-07 15:18:54,783 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2019-10-07 15:18:54,783 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-10-07 15:18:54,783 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-07 15:18:54,783 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,784 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2019-10-07 15:18:54,784 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:18:54,784 INFO L439 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:18:54,784 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-10-07 15:18:54,784 INFO L443 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2019-10-07 15:18:54,784 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-07 15:18:54,785 INFO L439 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,785 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,785 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,785 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-07 15:18:54,785 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-07 15:18:54,785 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-07 15:18:54,786 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2019-10-07 15:18:54,787 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:18:54,788 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:54,788 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-07 15:18:54,788 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2019-10-07 15:18:54,788 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2019-10-07 15:18:54,788 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-07 15:18:54,788 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-07 15:18:54,789 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2019-10-07 15:18:54,789 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2019-10-07 15:18:54,789 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2019-10-07 15:18:54,789 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2019-10-07 15:18:54,789 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:18:54,789 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:18:54,789 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:18:54,789 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:18:54,790 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,790 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2019-10-07 15:18:54,790 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2019-10-07 15:18:54,790 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2019-10-07 15:18:54,790 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-07 15:18:54,790 INFO L443 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2019-10-07 15:18:54,791 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2019-10-07 15:18:54,791 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2019-10-07 15:18:54,791 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2019-10-07 15:18:54,791 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2019-10-07 15:18:54,791 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2019-10-07 15:18:54,791 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,791 INFO L439 ceAbstractionStarter]: At program point L506(line 506) 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 15:18:54,792 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-10-07 15:18:54,792 INFO L439 ceAbstractionStarter]: At program point L504-1(lines 498 511) 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 15:18:54,792 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2019-10-07 15:18:54,792 INFO L443 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2019-10-07 15:18:54,792 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-07 15:18:54,792 INFO L439 ceAbstractionStarter]: At program point L490(line 490) 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 15:18:54,792 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-10-07 15:18:54,793 INFO L443 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2019-10-07 15:18:54,793 INFO L439 ceAbstractionStarter]: At program point L513(lines 468 515) 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 15:18:54,793 INFO L439 ceAbstractionStarter]: At program point L480(line 480) 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 15:18:54,793 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-07 15:18:54,793 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2019-10-07 15:18:54,793 INFO L439 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:18:54,794 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-07 15:18:54,795 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:18:54,795 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-07 15:18:54,795 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-07 15:18:54,795 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-07 15:18:54,795 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:18:54,795 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-07 15:18:54,795 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2019-10-07 15:18:54,796 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2019-10-07 15:18:54,797 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2019-10-07 15:18:54,797 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2019-10-07 15:18:54,797 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:54,797 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:54,797 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2019-10-07 15:18:54,797 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2019-10-07 15:18:54,798 INFO L439 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:18:54,798 INFO L443 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2019-10-07 15:18:54,798 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-07 15:18:54,798 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2019-10-07 15:18:54,798 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2019-10-07 15:18:54,798 INFO L439 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0))) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-07 15:18:54,799 INFO L439 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-07 15:18:54,799 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-10-07 15:18:54,799 INFO L443 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2019-10-07 15:18:54,799 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2019-10-07 15:18:54,799 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2019-10-07 15:18:54,799 INFO L446 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2019-10-07 15:18:54,799 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-07 15:18:54,799 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-07 15:18:54,800 INFO L446 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2019-10-07 15:18:54,800 INFO L446 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2019-10-07 15:18:54,800 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2019-10-07 15:18:54,800 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2019-10-07 15:18:54,800 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2019-10-07 15:18:54,800 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2019-10-07 15:18:54,800 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2019-10-07 15:18:54,800 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2019-10-07 15:18:54,801 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:54,801 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 15:18:54,801 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:54,801 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:54,801 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2019-10-07 15:18:54,801 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:54,801 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:18:54,801 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:18:54,802 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:18:54,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:54 BoogieIcfgContainer [2019-10-07 15:18:54,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:54,820 INFO L168 Benchmark]: Toolchain (without parser) took 6121.64 ms. Allocated memory was 138.4 MB in the beginning and 289.4 MB in the end (delta: 151.0 MB). Free memory was 102.1 MB in the beginning and 213.1 MB in the end (delta: -111.0 MB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:54,821 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:18:54,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.37 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:54,823 INFO L168 Benchmark]: Boogie Preprocessor took 112.20 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:54,824 INFO L168 Benchmark]: RCFGBuilder took 1619.86 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.6 MB in the beginning and 160.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:54,826 INFO L168 Benchmark]: TraceAbstraction took 3795.67 ms. Allocated memory was 235.9 MB in the beginning and 289.4 MB in the end (delta: 53.5 MB). Free memory was 160.2 MB in the beginning and 213.1 MB in the end (delta: -52.9 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:54,830 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 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 589.37 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.20 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1619.86 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.6 MB in the beginning and 160.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3795.67 ms. Allocated memory was 235.9 MB in the beginning and 289.4 MB in the end (delta: 53.5 MB). Free memory was 160.2 MB in the beginning and 213.1 MB in the end (delta: -52.9 MB). Peak memory consumption was 82.1 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: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 157 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 496 SDtfs, 317 SDslu, 1062 SDs, 0 SdLazy, 370 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred 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, 42 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 344 PreInvPairs, 402 NumberOfFragments, 457 HoareAnnotationTreeSize, 344 FomulaSimplifications, 515 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1761 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 31861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 23/23 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...