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_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:07,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:07,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:07,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:07,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:07,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:07,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:07,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:07,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:07,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:07,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:07,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:07,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:07,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:07,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:07,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:07,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:07,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:07,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:07,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:07,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:07,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:07,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:07,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:07,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:07,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:07,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:07,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:07,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:07,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:07,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:07,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:07,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:07,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:07,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:07,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:07,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:07,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:07,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:07,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:07,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:07,102 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 15:15:07,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:07,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:07,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:07,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:07,118 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:07,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:07,119 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:07,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:07,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:07,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:07,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:07,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:07,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:07,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:07,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:07,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:07,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:07,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:07,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:07,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:07,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:07,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:07,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:07,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:07,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:07,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:07,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:07,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:07,125 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 15:15:07,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:07,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:07,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:07,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:07,496 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:07,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-10-07 15:15:07,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570b00c79/d53d365f177646cf9a076c0d01c882d4/FLAGb10b1db2f [2019-10-07 15:15:08,104 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:08,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2019-10-07 15:15:08,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570b00c79/d53d365f177646cf9a076c0d01c882d4/FLAGb10b1db2f [2019-10-07 15:15:08,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570b00c79/d53d365f177646cf9a076c0d01c882d4 [2019-10-07 15:15:08,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:08,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:08,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:08,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:08,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:08,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:08" (1/1) ... [2019-10-07 15:15:08,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceb8032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:08, skipping insertion in model container [2019-10-07 15:15:08,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:08" (1/1) ... [2019-10-07 15:15:08,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:08,476 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:08,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:08,947 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:09,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:09,064 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:09,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09 WrapperNode [2019-10-07 15:15:09,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:09,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:09,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:09,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:09,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (1/1) ... [2019-10-07 15:15:09,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:09,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:09,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:09,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:09,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (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 15:15:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:09,246 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:09,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:15:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:09,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:09,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:10,952 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:10,952 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:10,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:10 BoogieIcfgContainer [2019-10-07 15:15:10,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:10,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:10,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:10,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:10,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:08" (1/3) ... [2019-10-07 15:15:10,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6704eb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:10, skipping insertion in model container [2019-10-07 15:15:10,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:09" (2/3) ... [2019-10-07 15:15:10,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6704eb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:10, skipping insertion in model container [2019-10-07 15:15:10,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:10" (3/3) ... [2019-10-07 15:15:10,962 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2019-10-07 15:15:10,973 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:10,982 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:10,994 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:11,022 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:11,023 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:11,023 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:11,023 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:11,023 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:11,023 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:11,024 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:11,024 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2019-10-07 15:15:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:11,057 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:11,058 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 15:15:11,060 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:11,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:11,067 INFO L82 PathProgramCache]: Analyzing trace with hash 138979206, now seen corresponding path program 1 times [2019-10-07 15:15:11,077 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:11,077 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:11,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:11,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:11,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:11,440 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 15:15:11,441 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:11,441 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:11,442 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:11,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:11,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:11,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:11,466 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2019-10-07 15:15:11,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:11,515 INFO L93 Difference]: Finished difference Result 217 states and 270 transitions. [2019-10-07 15:15:11,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:11,516 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:11,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:11,527 INFO L225 Difference]: With dead ends: 217 [2019-10-07 15:15:11,527 INFO L226 Difference]: Without dead ends: 109 [2019-10-07 15:15:11,532 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 15:15:11,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-07 15:15:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-07 15:15:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-07 15:15:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2019-10-07 15:15:11,587 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 42 [2019-10-07 15:15:11,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:11,588 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2019-10-07 15:15:11,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2019-10-07 15:15:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:11,591 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:11,592 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 15:15:11,592 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:11,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:11,593 INFO L82 PathProgramCache]: Analyzing trace with hash 271731031, now seen corresponding path program 1 times [2019-10-07 15:15:11,593 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:11,593 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:11,593 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:11,593 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:11,734 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 15:15:11,734 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:11,737 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:11,737 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:11,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:11,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:11,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:11,743 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand 3 states. [2019-10-07 15:15:11,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:11,795 INFO L93 Difference]: Finished difference Result 168 states and 198 transitions. [2019-10-07 15:15:11,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:11,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:11,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:11,800 INFO L225 Difference]: With dead ends: 168 [2019-10-07 15:15:11,800 INFO L226 Difference]: Without dead ends: 101 [2019-10-07 15:15:11,803 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 15:15:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-07 15:15:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-10-07 15:15:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-07 15:15:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2019-10-07 15:15:11,831 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 43 [2019-10-07 15:15:11,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:11,831 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2019-10-07 15:15:11,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2019-10-07 15:15:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:15:11,837 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:11,837 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 15:15:11,838 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:11,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:11,841 INFO L82 PathProgramCache]: Analyzing trace with hash -196275545, now seen corresponding path program 1 times [2019-10-07 15:15:11,841 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:11,841 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:11,841 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:11,842 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:12,058 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 15:15:12,058 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,059 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:12,059 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:12,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:12,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:12,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:12,064 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 7 states. [2019-10-07 15:15:12,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:12,579 INFO L93 Difference]: Finished difference Result 303 states and 367 transitions. [2019-10-07 15:15:12,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:12,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:15:12,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:12,583 INFO L225 Difference]: With dead ends: 303 [2019-10-07 15:15:12,583 INFO L226 Difference]: Without dead ends: 224 [2019-10-07 15:15:12,585 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:15:12,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-07 15:15:12,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 216. [2019-10-07 15:15:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-07 15:15:12,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2019-10-07 15:15:12,619 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 46 [2019-10-07 15:15:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:12,619 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2019-10-07 15:15:12,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2019-10-07 15:15:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:12,622 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:12,622 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 15:15:12,622 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:12,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:12,623 INFO L82 PathProgramCache]: Analyzing trace with hash -300210759, now seen corresponding path program 1 times [2019-10-07 15:15:12,623 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:12,623 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,623 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,624 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:12,728 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 15:15:12,729 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:12,729 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:12,729 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:12,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:12,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:12,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:12,731 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand 6 states. [2019-10-07 15:15:12,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:12,955 INFO L93 Difference]: Finished difference Result 589 states and 732 transitions. [2019-10-07 15:15:12,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:12,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:12,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:12,965 INFO L225 Difference]: With dead ends: 589 [2019-10-07 15:15:12,965 INFO L226 Difference]: Without dead ends: 395 [2019-10-07 15:15:12,969 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:15:12,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-07 15:15:13,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 383. [2019-10-07 15:15:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-10-07 15:15:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 468 transitions. [2019-10-07 15:15:13,031 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 468 transitions. Word has length 51 [2019-10-07 15:15:13,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:13,032 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 468 transitions. [2019-10-07 15:15:13,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 468 transitions. [2019-10-07 15:15:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:13,038 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:13,039 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 15:15:13,039 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:13,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1617748145, now seen corresponding path program 1 times [2019-10-07 15:15:13,041 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:13,041 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:13,041 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:13,041 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:13,172 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 15:15:13,173 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:13,173 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:13,173 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:13,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:13,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:13,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:13,174 INFO L87 Difference]: Start difference. First operand 383 states and 468 transitions. Second operand 7 states. [2019-10-07 15:15:13,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:13,541 INFO L93 Difference]: Finished difference Result 631 states and 796 transitions. [2019-10-07 15:15:13,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:13,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:15:13,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:13,543 INFO L225 Difference]: With dead ends: 631 [2019-10-07 15:15:13,543 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:13,547 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:15:13,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:13,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:13,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:15:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:13,551 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:13,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:13,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:13,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:14,799 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:14,800 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:15:14,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:15:14,801 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:15:14,801 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 818 824) the Hoare annotation is: true [2019-10-07 15:15:14,801 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 818 824) no Hoare annotation was computed. [2019-10-07 15:15:14,801 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 825 833) no Hoare annotation was computed. [2019-10-07 15:15:14,801 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 825 833) the Hoare annotation is: true [2019-10-07 15:15:14,801 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 907 929) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,802 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 907 929) no Hoare annotation was computed. [2019-10-07 15:15:14,802 INFO L439 ceAbstractionStarter]: At program point L919(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,802 INFO L439 ceAbstractionStarter]: At program point L919-1(line 919) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,802 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 924) no Hoare annotation was computed. [2019-10-07 15:15:14,802 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 917 924) no Hoare annotation was computed. [2019-10-07 15:15:14,802 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-07 15:15:14,803 INFO L439 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,803 INFO L439 ceAbstractionStarter]: At program point L913(line 913) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,803 INFO L439 ceAbstractionStarter]: At program point L913-1(line 913) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,803 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 866 889) no Hoare annotation was computed. [2019-10-07 15:15:14,803 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 866 889) no Hoare annotation was computed. [2019-10-07 15:15:14,803 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 866 889) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2019-10-07 15:15:14,804 INFO L443 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2019-10-07 15:15:14,805 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-10-07 15:15:14,805 INFO L443 ceAbstractionStarter]: For program point L875(line 875) no Hoare annotation was computed. [2019-10-07 15:15:14,805 INFO L443 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2019-10-07 15:15:14,805 INFO L443 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2019-10-07 15:15:14,805 INFO L443 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2019-10-07 15:15:14,805 INFO L443 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2019-10-07 15:15:14,805 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 754 768) no Hoare annotation was computed. [2019-10-07 15:15:14,806 INFO L439 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:14,806 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 764) no Hoare annotation was computed. [2019-10-07 15:15:14,806 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 754 768) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:14,806 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 690 698) no Hoare annotation was computed. [2019-10-07 15:15:14,806 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 690 698) the Hoare annotation is: true [2019-10-07 15:15:14,806 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 735 753) the Hoare annotation is: true [2019-10-07 15:15:14,806 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-10-07 15:15:14,807 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 735 753) no Hoare annotation was computed. [2019-10-07 15:15:14,807 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-07 15:15:14,807 INFO L443 ceAbstractionStarter]: For program point L729(line 729) no Hoare annotation was computed. [2019-10-07 15:15:14,807 INFO L443 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2019-10-07 15:15:14,807 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 699 734) no Hoare annotation was computed. [2019-10-07 15:15:14,807 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 699 734) no Hoare annotation was computed. [2019-10-07 15:15:14,807 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 811 817) no Hoare annotation was computed. [2019-10-07 15:15:14,808 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 811 817) the Hoare annotation is: true [2019-10-07 15:15:14,808 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:15:14,808 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:15:14,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:15:14,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:15:14,808 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 897 906) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,808 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 897 906) no Hoare annotation was computed. [2019-10-07 15:15:14,809 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 897 906) no Hoare annotation was computed. [2019-10-07 15:15:14,809 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 679 689) the Hoare annotation is: true [2019-10-07 15:15:14,809 INFO L446 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: true [2019-10-07 15:15:14,809 INFO L443 ceAbstractionStarter]: For program point L684-1(line 684) no Hoare annotation was computed. [2019-10-07 15:15:14,809 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 679 689) no Hoare annotation was computed. [2019-10-07 15:15:14,809 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 671 678) the Hoare annotation is: true [2019-10-07 15:15:14,809 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 671 678) no Hoare annotation was computed. [2019-10-07 15:15:14,810 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 638 662) no Hoare annotation was computed. [2019-10-07 15:15:14,810 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 638 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:14,810 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:14,810 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 638 662) no Hoare annotation was computed. [2019-10-07 15:15:14,810 INFO L439 ceAbstractionStarter]: At program point L652(line 652) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:14,810 INFO L439 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:14,810 INFO L443 ceAbstractionStarter]: For program point L646(lines 646 654) no Hoare annotation was computed. [2019-10-07 15:15:14,811 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:14,811 INFO L443 ceAbstractionStarter]: For program point L644-1(line 644) no Hoare annotation was computed. [2019-10-07 15:15:14,811 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 659) no Hoare annotation was computed. [2019-10-07 15:15:14,811 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 604 610) no Hoare annotation was computed. [2019-10-07 15:15:14,811 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 604 610) the Hoare annotation is: true [2019-10-07 15:15:14,811 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 558) no Hoare annotation was computed. [2019-10-07 15:15:14,812 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 505 570) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,812 INFO L439 ceAbstractionStarter]: At program point L537(line 537) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,812 INFO L443 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2019-10-07 15:15:14,812 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 505 570) no Hoare annotation was computed. [2019-10-07 15:15:14,812 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2019-10-07 15:15:14,812 INFO L439 ceAbstractionStarter]: At program point L560(lines 515 562) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,813 INFO L439 ceAbstractionStarter]: At program point L527(line 527) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,813 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 531) no Hoare annotation was computed. [2019-10-07 15:15:14,813 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2019-10-07 15:15:14,813 INFO L439 ceAbstractionStarter]: At program point L563(lines 514 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,813 INFO L439 ceAbstractionStarter]: At program point L553(line 553) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,813 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 557) no Hoare annotation was computed. [2019-10-07 15:15:14,814 INFO L439 ceAbstractionStarter]: At program point L551-1(lines 545 558) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:14,814 INFO L443 ceAbstractionStarter]: For program point L516(lines 515 562) no Hoare annotation was computed. [2019-10-07 15:15:14,814 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 505 570) no Hoare annotation was computed. [2019-10-07 15:15:14,814 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:15:14,814 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:15:14,814 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2019-10-07 15:15:14,814 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-07 15:15:14,815 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-10-07 15:15:14,815 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-10-07 15:15:14,815 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:15:14,815 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:14,815 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:15:14,815 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:15:14,815 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:15:14,816 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:15:14,817 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 801 810) no Hoare annotation was computed. [2019-10-07 15:15:14,817 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 801 810) no Hoare annotation was computed. [2019-10-07 15:15:14,817 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:14,817 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:14,817 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 663 670) no Hoare annotation was computed. [2019-10-07 15:15:14,817 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 663 670) no Hoare annotation was computed. [2019-10-07 15:15:14,817 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2019-10-07 15:15:14,818 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-07 15:15:14,818 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:14,818 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:14,818 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2019-10-07 15:15:14,818 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-10-07 15:15:14,818 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2019-10-07 15:15:14,818 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-10-07 15:15:14,818 INFO L439 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:15:14,819 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 580 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:14,819 INFO L439 ceAbstractionStarter]: At program point L591(lines 591 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:14,819 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 580 603) no Hoare annotation was computed. [2019-10-07 15:15:14,819 INFO L439 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:14,819 INFO L443 ceAbstractionStarter]: For program point L584(lines 583 602) no Hoare annotation was computed. [2019-10-07 15:15:14,819 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 580 603) no Hoare annotation was computed. [2019-10-07 15:15:14,819 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 836 865) no Hoare annotation was computed. [2019-10-07 15:15:14,820 INFO L446 ceAbstractionStarter]: At program point L861(lines 836 865) the Hoare annotation is: true [2019-10-07 15:15:14,820 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 836 865) the Hoare annotation is: true [2019-10-07 15:15:14,820 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-07 15:15:14,820 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 854) no Hoare annotation was computed. [2019-10-07 15:15:14,820 INFO L446 ceAbstractionStarter]: At program point L850-1(lines 850 854) the Hoare annotation is: true [2019-10-07 15:15:14,820 INFO L446 ceAbstractionStarter]: At program point L846-2(lines 846 860) the Hoare annotation is: true [2019-10-07 15:15:14,820 INFO L446 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: true [2019-10-07 15:15:14,821 INFO L443 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2019-10-07 15:15:14,821 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2019-10-07 15:15:14,821 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-10-07 15:15:14,821 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 890 896) no Hoare annotation was computed. [2019-10-07 15:15:14,821 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 890 896) the Hoare annotation is: true [2019-10-07 15:15:14,821 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:14,821 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:14,822 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:14,822 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:14,822 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-10-07 15:15:14,822 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2019-10-07 15:15:14,822 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 931 938) the Hoare annotation is: true [2019-10-07 15:15:14,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2019-10-07 15:15:14,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2019-10-07 15:15:14,823 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 771 795) the Hoare annotation is: true [2019-10-07 15:15:14,823 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 771 795) no Hoare annotation was computed. [2019-10-07 15:15:14,823 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:15:14,823 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2019-10-07 15:15:14,823 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:14,823 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-07 15:15:14,823 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 792) no Hoare annotation was computed. [2019-10-07 15:15:14,824 INFO L443 ceAbstractionStarter]: For program point L779-1(lines 771 795) no Hoare annotation was computed. [2019-10-07 15:15:14,824 INFO L446 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2019-10-07 15:15:14,824 INFO L443 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2019-10-07 15:15:14,824 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 612 636) no Hoare annotation was computed. [2019-10-07 15:15:14,824 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 612 636) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:14,824 INFO L439 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:14,824 INFO L443 ceAbstractionStarter]: For program point L631-1(lines 612 636) no Hoare annotation was computed. [2019-10-07 15:15:14,825 INFO L439 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:14,825 INFO L439 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:14,825 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 628) no Hoare annotation was computed. [2019-10-07 15:15:14,825 INFO L439 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:14,825 INFO L443 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2019-10-07 15:15:14,825 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 633) no Hoare annotation was computed. [2019-10-07 15:15:14,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:14 BoogieIcfgContainer [2019-10-07 15:15:14,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:14,844 INFO L168 Benchmark]: Toolchain (without parser) took 6431.65 ms. Allocated memory was 142.6 MB in the beginning and 297.8 MB in the end (delta: 155.2 MB). Free memory was 99.6 MB in the beginning and 204.1 MB in the end (delta: -104.5 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:14,845 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:14,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.95 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 99.4 MB in the beginning and 171.1 MB in the end (delta: -71.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:14,847 INFO L168 Benchmark]: Boogie Preprocessor took 110.42 ms. Allocated memory is still 201.3 MB. Free memory was 171.1 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:14,848 INFO L168 Benchmark]: RCFGBuilder took 1777.67 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 166.7 MB in the beginning and 150.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:14,849 INFO L168 Benchmark]: TraceAbstraction took 3886.04 ms. Allocated memory was 229.6 MB in the beginning and 297.8 MB in the end (delta: 68.2 MB). Free memory was 150.6 MB in the beginning and 204.1 MB in the end (delta: -53.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:14,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.95 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 99.4 MB in the beginning and 171.1 MB in the end (delta: -71.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.42 ms. Allocated memory is still 201.3 MB. Free memory was 171.1 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1777.67 ms. Allocated memory was 201.3 MB in the beginning and 229.6 MB in the end (delta: 28.3 MB). Free memory was 166.7 MB in the beginning and 150.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3886.04 ms. Allocated memory was 229.6 MB in the beginning and 297.8 MB in the end (delta: 68.2 MB). Free memory was 150.6 MB in the beginning and 204.1 MB in the end (delta: -53.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: 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: 514]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 607 SDtfs, 348 SDslu, 1138 SDs, 0 SdLazy, 428 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 576 PreInvPairs, 618 NumberOfFragments, 516 HoareAnnotationTreeSize, 576 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 2028 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 20569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...