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_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:16,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:16,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:16,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:16,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:16,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:16,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:16,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:16,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:16,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:16,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:16,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:16,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:16,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:16,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:16,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:16,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:16,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:16,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:16,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:16,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:16,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:16,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:16,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:16,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:16,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:16,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:16,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:16,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:16,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:16,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:16,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:16,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:16,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:16,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:16,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:16,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:16,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:16,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:16,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:16,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:16,144 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 15:19:16,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:16,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:16,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:16,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:16,171 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:16,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:16,171 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:16,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:16,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:16,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:16,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:16,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:16,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:16,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:16,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:16,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:16,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:16,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:16,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:16,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:16,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:16,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:16,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:16,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:16,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:16,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:16,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:16,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:16,177 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 15:19:16,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:16,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:16,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:16,503 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:16,504 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:16,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-10-07 15:19:16,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb715454a/d07762b243c1421884e8bc717cc74e7a/FLAGf34f669fc [2019-10-07 15:19:17,175 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:17,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-10-07 15:19:17,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb715454a/d07762b243c1421884e8bc717cc74e7a/FLAGf34f669fc [2019-10-07 15:19:17,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb715454a/d07762b243c1421884e8bc717cc74e7a [2019-10-07 15:19:17,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:17,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:17,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:17,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:17,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:17,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e957a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17, skipping insertion in model container [2019-10-07 15:19:17,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,459 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:17,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:17,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:17,959 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:18,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:18,107 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:18,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18 WrapperNode [2019-10-07 15:19:18,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:18,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:18,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:18,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:18,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... [2019-10-07 15:19:18,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... [2019-10-07 15:19:18,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... [2019-10-07 15:19:18,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... [2019-10-07 15:19:18,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... [2019-10-07 15:19:18,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... [2019-10-07 15:19:18,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... [2019-10-07 15:19:18,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:18,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:18,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:18,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:18,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:19:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:19:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:18,288 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:20,079 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:20,080 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:20,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:20 BoogieIcfgContainer [2019-10-07 15:19:20,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:20,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:20,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:20,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:20,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:17" (1/3) ... [2019-10-07 15:19:20,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f712fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:20, skipping insertion in model container [2019-10-07 15:19:20,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:18" (2/3) ... [2019-10-07 15:19:20,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f712fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:20, skipping insertion in model container [2019-10-07 15:19:20,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:20" (3/3) ... [2019-10-07 15:19:20,089 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2019-10-07 15:19:20,099 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:20,108 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:20,120 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:20,150 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:20,151 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:20,151 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:20,151 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:20,151 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:20,152 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:20,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:20,152 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-07 15:19:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:20,195 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:20,196 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 15:19:20,201 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:20,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash -510798912, now seen corresponding path program 1 times [2019-10-07 15:19:20,219 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:20,219 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,220 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,220 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:20,531 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 15:19:20,532 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,532 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:20,533 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:20,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:20,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:20,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:20,555 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-10-07 15:19:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:20,597 INFO L93 Difference]: Finished difference Result 221 states and 272 transitions. [2019-10-07 15:19:20,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:20,599 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:20,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:20,613 INFO L225 Difference]: With dead ends: 221 [2019-10-07 15:19:20,613 INFO L226 Difference]: Without dead ends: 111 [2019-10-07 15:19:20,618 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 15:19:20,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-07 15:19:20,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-07 15:19:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-07 15:19:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2019-10-07 15:19:20,675 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 42 [2019-10-07 15:19:20,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:20,676 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2019-10-07 15:19:20,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2019-10-07 15:19:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:20,680 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:20,680 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 15:19:20,680 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:20,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1293601323, now seen corresponding path program 1 times [2019-10-07 15:19:20,681 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:20,681 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,682 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:20,855 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 15:19:20,855 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,856 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:20,856 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:20,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:20,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:20,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:20,859 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2019-10-07 15:19:20,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:20,901 INFO L93 Difference]: Finished difference Result 172 states and 200 transitions. [2019-10-07 15:19:20,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:20,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:20,908 INFO L225 Difference]: With dead ends: 172 [2019-10-07 15:19:20,908 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:19:20,910 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 15:19:20,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:19:20,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:19:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:19:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2019-10-07 15:19:20,936 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 43 [2019-10-07 15:19:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:20,937 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2019-10-07 15:19:20,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2019-10-07 15:19:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:19:20,943 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:20,943 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 15:19:20,945 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:20,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:20,946 INFO L82 PathProgramCache]: Analyzing trace with hash 448391862, now seen corresponding path program 1 times [2019-10-07 15:19:20,946 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:20,946 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,947 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,947 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,158 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 15:19:21,159 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,159 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:21,160 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:21,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:21,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:21,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:21,163 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand 7 states. [2019-10-07 15:19:21,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:21,637 INFO L93 Difference]: Finished difference Result 309 states and 370 transitions. [2019-10-07 15:19:21,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:19:21,638 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:19:21,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:21,642 INFO L225 Difference]: With dead ends: 309 [2019-10-07 15:19:21,642 INFO L226 Difference]: Without dead ends: 228 [2019-10-07 15:19:21,644 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 15:19:21,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-07 15:19:21,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2019-10-07 15:19:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-07 15:19:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 263 transitions. [2019-10-07 15:19:21,677 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 263 transitions. Word has length 46 [2019-10-07 15:19:21,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:21,677 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 263 transitions. [2019-10-07 15:19:21,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions. [2019-10-07 15:19:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:19:21,680 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:21,680 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 15:19:21,680 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:21,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:21,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1495845791, now seen corresponding path program 1 times [2019-10-07 15:19:21,681 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:21,681 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,867 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 15:19:21,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,868 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:21,868 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:21,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:21,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:21,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:21,870 INFO L87 Difference]: Start difference. First operand 220 states and 263 transitions. Second operand 10 states. [2019-10-07 15:19:22,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:22,497 INFO L93 Difference]: Finished difference Result 775 states and 974 transitions. [2019-10-07 15:19:22,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:22,498 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-07 15:19:22,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:22,530 INFO L225 Difference]: With dead ends: 775 [2019-10-07 15:19:22,530 INFO L226 Difference]: Without dead ends: 577 [2019-10-07 15:19:22,532 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 15:19:22,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-07 15:19:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 553. [2019-10-07 15:19:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2019-10-07 15:19:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 680 transitions. [2019-10-07 15:19:22,653 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 680 transitions. Word has length 51 [2019-10-07 15:19:22,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:22,654 INFO L462 AbstractCegarLoop]: Abstraction has 553 states and 680 transitions. [2019-10-07 15:19:22,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 680 transitions. [2019-10-07 15:19:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:19:22,657 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:22,657 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 15:19:22,658 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:22,658 INFO L82 PathProgramCache]: Analyzing trace with hash 81183761, now seen corresponding path program 1 times [2019-10-07 15:19:22,658 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:22,658 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:22,659 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,659 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:22,735 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 15:19:22,736 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:22,736 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:22,736 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:19:22,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:19:22,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:19:22,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:19:22,738 INFO L87 Difference]: Start difference. First operand 553 states and 680 transitions. Second operand 4 states. [2019-10-07 15:19:22,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:22,891 INFO L93 Difference]: Finished difference Result 916 states and 1165 transitions. [2019-10-07 15:19:22,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 15:19:22,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-07 15:19:22,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:22,895 INFO L225 Difference]: With dead ends: 916 [2019-10-07 15:19:22,896 INFO L226 Difference]: Without dead ends: 385 [2019-10-07 15:19:22,898 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 15:19:22,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-07 15:19:22,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 373. [2019-10-07 15:19:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-07 15:19:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 420 transitions. [2019-10-07 15:19:22,927 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 420 transitions. Word has length 54 [2019-10-07 15:19:22,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:22,927 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 420 transitions. [2019-10-07 15:19:22,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:19:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 420 transitions. [2019-10-07 15:19:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 15:19:22,929 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:22,930 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 15:19:22,930 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:22,930 INFO L82 PathProgramCache]: Analyzing trace with hash -835779572, now seen corresponding path program 1 times [2019-10-07 15:19:22,931 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:22,931 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:22,931 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,931 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:23,034 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 15:19:23,034 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:23,034 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:23,035 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 15:19:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:23,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:23,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:23,298 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 15:19:23,299 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:23,431 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 15:19:23,431 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:23,432 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:23,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:23,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:23,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:23,436 INFO L87 Difference]: Start difference. First operand 373 states and 420 transitions. Second operand 7 states. [2019-10-07 15:19:23,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:23,589 INFO L93 Difference]: Finished difference Result 379 states and 426 transitions. [2019-10-07 15:19:23,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:23,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-10-07 15:19:23,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:23,590 INFO L225 Difference]: With dead ends: 379 [2019-10-07 15:19:23,590 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:23,592 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 15:19:23,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:23,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:23,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-07 15:19:23,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:23,594 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:23,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:23,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:23,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:23,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:25,248 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:19:25,323 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2019-10-07 15:19:25,323 INFO L443 ceAbstractionStarter]: For program point L278(lines 255 279) no Hoare annotation was computed. [2019-10-07 15:19:25,323 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2019-10-07 15:19:25,324 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-07 15:19:25,324 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2019-10-07 15:19:25,324 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 323) no Hoare annotation was computed. [2019-10-07 15:19:25,324 INFO L443 ceAbstractionStarter]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2019-10-07 15:19:25,324 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2019-10-07 15:19:25,324 INFO L443 ceAbstractionStarter]: For program point L339(lines 312 340) no Hoare annotation was computed. [2019-10-07 15:19:25,324 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2019-10-07 15:19:25,325 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-10-07 15:19:25,325 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-10-07 15:19:25,325 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2019-10-07 15:19:25,325 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-10-07 15:19:25,325 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-10-07 15:19:25,325 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-07 15:19:25,326 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-10-07 15:19:25,326 INFO L443 ceAbstractionStarter]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2019-10-07 15:19:25,326 INFO L446 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: true [2019-10-07 15:19:25,326 INFO L443 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2019-10-07 15:19:25,326 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2019-10-07 15:19:25,326 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2019-10-07 15:19:25,327 INFO L439 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:19:25,327 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-10-07 15:19:25,327 INFO L439 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:19:25,327 INFO L443 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2019-10-07 15:19:25,327 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2019-10-07 15:19:25,327 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:19:25,328 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-07 15:19:25,328 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 15:19:25,328 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 15:19:25,328 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 15:19:25,328 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 15:19:25,329 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-07 15:19:25,329 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 15:19:25,329 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 15:19:25,329 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:19:25,330 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:19:25,331 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:19:25,331 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:19:25,331 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:19:25,331 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:19:25,331 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:19:25,331 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:19:25,331 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:19:25,332 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:19:25,332 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:19:25,332 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:25,332 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2019-10-07 15:19:25,332 INFO L439 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:25,332 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:25,332 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-10-07 15:19:25,333 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:25,333 INFO L439 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:25,333 INFO L443 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2019-10-07 15:19:25,333 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-10-07 15:19:25,333 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2019-10-07 15:19:25,333 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2019-10-07 15:19:25,333 INFO L439 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:25,334 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2019-10-07 15:19:25,334 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:25,334 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2019-10-07 15:19:25,334 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2019-10-07 15:19:25,334 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-07 15:19:25,334 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-07 15:19:25,335 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2019-10-07 15:19:25,335 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2019-10-07 15:19:25,335 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-07 15:19:25,335 INFO L443 ceAbstractionStarter]: For program point L880-1(line 880) no Hoare annotation was computed. [2019-10-07 15:19:25,335 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2019-10-07 15:19:25,335 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2019-10-07 15:19:25,335 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-10-07 15:19:25,335 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-10-07 15:19:25,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2019-10-07 15:19:25,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2019-10-07 15:19:25,336 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2019-10-07 15:19:25,336 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2019-10-07 15:19:25,336 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 15:19:25,336 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:19:25,336 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:19:25,337 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2019-10-07 15:19:25,337 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2019-10-07 15:19:25,337 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-07 15:19:25,337 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-07 15:19:25,337 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2019-10-07 15:19:25,337 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2019-10-07 15:19:25,337 INFO L439 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:25,337 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2019-10-07 15:19:25,338 INFO L443 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2019-10-07 15:19:25,338 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:25,338 INFO L439 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:25,338 INFO L439 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:25,338 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-10-07 15:19:25,338 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:25,338 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-07 15:19:25,338 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-10-07 15:19:25,339 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2019-10-07 15:19:25,339 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2019-10-07 15:19:25,339 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 640 705) 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 15:19:25,339 INFO L439 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:25,339 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2019-10-07 15:19:25,339 INFO L439 ceAbstractionStarter]: At program point L688(line 688) 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 15:19:25,339 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-10-07 15:19:25,340 INFO L439 ceAbstractionStarter]: At program point L686-1(lines 680 693) 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 15:19:25,340 INFO L443 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2019-10-07 15:19:25,340 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2019-10-07 15:19:25,340 INFO L439 ceAbstractionStarter]: At program point L672(line 672) 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 15:19:25,340 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2019-10-07 15:19:25,340 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2019-10-07 15:19:25,340 INFO L439 ceAbstractionStarter]: At program point L695(lines 650 697) 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 15:19:25,341 INFO L439 ceAbstractionStarter]: At program point L662(line 662) 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 15:19:25,341 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-10-07 15:19:25,341 INFO L443 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2019-10-07 15:19:25,341 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2019-10-07 15:19:25,341 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2019-10-07 15:19:25,341 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2019-10-07 15:19:25,341 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 797 804) no Hoare annotation was computed. [2019-10-07 15:19:25,341 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 597 619) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 597 619) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 394) no Hoare annotation was computed. [2019-10-07 15:19:25,342 INFO L443 ceAbstractionStarter]: For program point L399(lines 398 418) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 436) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-07 15:19:25,343 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point L419(lines 397 420) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2019-10-07 15:19:25,344 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-07 15:19:25,345 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-07 15:19:25,345 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 805 821) no Hoare annotation was computed. [2019-10-07 15:19:25,345 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2019-10-07 15:19:25,345 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2019-10-07 15:19:25,345 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2019-10-07 15:19:25,345 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2019-10-07 15:19:25,345 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:25,345 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:25,346 INFO L439 ceAbstractionStarter]: At program point L727(line 727) 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 15:19:25,346 INFO L439 ceAbstractionStarter]: At program point L725(lines 725 731) 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 15:19:25,346 INFO L439 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:25,346 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 714 737) 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 15:19:25,346 INFO L443 ceAbstractionStarter]: For program point L718(lines 717 736) no Hoare annotation was computed. [2019-10-07 15:19:25,346 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2019-10-07 15:19:25,347 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2019-10-07 15:19:25,347 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:19:25,347 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:19:25,347 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:19:25,347 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:19:25,347 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:19:25,347 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:19:25,347 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:19:25,348 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:19:25,348 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:19:25,348 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2019-10-07 15:19:25,348 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2019-10-07 15:19:25,348 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2019-10-07 15:19:25,348 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2019-10-07 15:19:25,348 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:19:25,349 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:19:25,349 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:25,349 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 15:19:25,349 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:25,349 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:25,349 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2019-10-07 15:19:25,349 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-07 15:19:25,350 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2019-10-07 15:19:25,350 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2019-10-07 15:19:25,350 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2019-10-07 15:19:25,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:25 BoogieIcfgContainer [2019-10-07 15:19:25,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:25,367 INFO L168 Benchmark]: Toolchain (without parser) took 7921.50 ms. Allocated memory was 143.7 MB in the beginning and 298.8 MB in the end (delta: 155.2 MB). Free memory was 99.1 MB in the beginning and 163.5 MB in the end (delta: -64.4 MB). Peak memory consumption was 172.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:25,368 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:25,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.74 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 98.9 MB in the beginning and 169.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:25,370 INFO L168 Benchmark]: Boogie Preprocessor took 81.35 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 164.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:25,372 INFO L168 Benchmark]: RCFGBuilder took 1891.52 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 149.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:25,373 INFO L168 Benchmark]: TraceAbstraction took 5282.61 ms. Allocated memory was 231.2 MB in the beginning and 298.8 MB in the end (delta: 67.6 MB). Free memory was 147.6 MB in the beginning and 163.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 133.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:25,377 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.74 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 98.9 MB in the beginning and 169.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.35 ms. Allocated memory is still 201.9 MB. Free memory was 169.2 MB in the beginning and 164.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1891.52 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 164.5 MB in the beginning and 149.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5282.61 ms. Allocated memory was 231.2 MB in the beginning and 298.8 MB in the end (delta: 67.6 MB). Free memory was 147.6 MB in the beginning and 163.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 133.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 190 locations, 1 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 703 SDtfs, 514 SDslu, 1633 SDs, 0 SdLazy, 601 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 44 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 715 PreInvPairs, 773 NumberOfFragments, 577 HoareAnnotationTreeSize, 715 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 3095 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s 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...