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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:16,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:16,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:16,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:16,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:16,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:16,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:16,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:16,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:16,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:16,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:16,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:16,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:16,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:16,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:16,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:16,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:16,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:16,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:16,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:16,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:16,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:16,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:16,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:16,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:16,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:16,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:16,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:16,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:16,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:16,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:16,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:16,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:16,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:17,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:17,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:17,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:17,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:17,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:17,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:17,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:17,005 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 15:15:17,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:17,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:17,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:17,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:17,044 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:17,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:17,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:17,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:17,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:17,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:17,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:17,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:17,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:17,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:17,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:17,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:17,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:17,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:17,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:17,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:17,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:17,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:17,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:17,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:17,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:17,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:17,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:17,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:17,050 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 15:15:17,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:17,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:17,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:17,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:17,398 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:17,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-10-07 15:15:17,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12878650/ca90c4cd5592427a9c428764372b593c/FLAG5eef64df5 [2019-10-07 15:15:17,923 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:17,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2019-10-07 15:15:17,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12878650/ca90c4cd5592427a9c428764372b593c/FLAG5eef64df5 [2019-10-07 15:15:18,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d12878650/ca90c4cd5592427a9c428764372b593c [2019-10-07 15:15:18,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:18,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:18,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:18,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:18,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:18,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:18" (1/1) ... [2019-10-07 15:15:18,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5d2151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:18, skipping insertion in model container [2019-10-07 15:15:18,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:18" (1/1) ... [2019-10-07 15:15:18,267 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:18,333 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:18,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:18,855 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:18,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:19,032 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:19,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19 WrapperNode [2019-10-07 15:15:19,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:19,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:19,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:19,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:19,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (1/1) ... [2019-10-07 15:15:19,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (1/1) ... [2019-10-07 15:15:19,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (1/1) ... [2019-10-07 15:15:19,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (1/1) ... [2019-10-07 15:15:19,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (1/1) ... [2019-10-07 15:15:19,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (1/1) ... [2019-10-07 15:15:19,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (1/1) ... [2019-10-07 15:15:19,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:19,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:19,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:19,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:19,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (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 15:15:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:19,211 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:15:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:19,220 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:19,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:20,988 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:20,988 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:20,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:20 BoogieIcfgContainer [2019-10-07 15:15:20,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:20,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:20,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:20,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:20,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:18" (1/3) ... [2019-10-07 15:15:20,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e75cdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:20, skipping insertion in model container [2019-10-07 15:15:20,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:19" (2/3) ... [2019-10-07 15:15:20,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e75cdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:20, skipping insertion in model container [2019-10-07 15:15:20,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:20" (3/3) ... [2019-10-07 15:15:20,998 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2019-10-07 15:15:21,008 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:21,017 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:21,029 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:21,059 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:21,060 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:21,060 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:21,060 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:21,060 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:21,060 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:21,060 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:21,061 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2019-10-07 15:15:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:21,094 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:21,095 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 15:15:21,097 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:21,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:21,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1615593861, now seen corresponding path program 1 times [2019-10-07 15:15:21,116 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:21,117 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:21,117 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:21,117 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:21,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:21,555 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 15:15:21,556 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:21,557 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:21,557 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:21,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:21,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:21,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:21,577 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2019-10-07 15:15:21,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:21,636 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2019-10-07 15:15:21,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:21,637 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:21,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:21,663 INFO L225 Difference]: With dead ends: 195 [2019-10-07 15:15:21,664 INFO L226 Difference]: Without dead ends: 98 [2019-10-07 15:15:21,672 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 15:15:21,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-07 15:15:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-07 15:15:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-07 15:15:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2019-10-07 15:15:21,747 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2019-10-07 15:15:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:21,748 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2019-10-07 15:15:21,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2019-10-07 15:15:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:21,752 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:21,752 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 15:15:21,752 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:21,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:21,753 INFO L82 PathProgramCache]: Analyzing trace with hash -614358161, now seen corresponding path program 1 times [2019-10-07 15:15:21,753 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:21,753 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:21,754 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:21,754 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:21,870 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 15:15:21,871 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:21,871 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:21,871 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:21,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:21,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:21,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:21,874 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand 3 states. [2019-10-07 15:15:21,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:21,912 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2019-10-07 15:15:21,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:21,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:21,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:21,917 INFO L225 Difference]: With dead ends: 143 [2019-10-07 15:15:21,918 INFO L226 Difference]: Without dead ends: 90 [2019-10-07 15:15:21,920 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 15:15:21,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-07 15:15:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-07 15:15:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-07 15:15:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2019-10-07 15:15:21,941 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2019-10-07 15:15:21,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:21,941 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2019-10-07 15:15:21,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2019-10-07 15:15:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:15:21,944 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:21,944 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] [2019-10-07 15:15:21,944 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:21,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:21,945 INFO L82 PathProgramCache]: Analyzing trace with hash -565457632, now seen corresponding path program 1 times [2019-10-07 15:15:21,945 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:21,945 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:21,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:21,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:22,106 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 15:15:22,107 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:22,107 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:22,107 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:22,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:22,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:22,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:22,109 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2019-10-07 15:15:22,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:22,588 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2019-10-07 15:15:22,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:22,589 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:15:22,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:22,593 INFO L225 Difference]: With dead ends: 271 [2019-10-07 15:15:22,593 INFO L226 Difference]: Without dead ends: 203 [2019-10-07 15:15:22,598 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 15:15:22,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-07 15:15:22,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2019-10-07 15:15:22,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-07 15:15:22,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2019-10-07 15:15:22,662 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2019-10-07 15:15:22,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:22,662 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2019-10-07 15:15:22,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2019-10-07 15:15:22,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:22,668 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:22,669 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 15:15:22,669 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:22,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:22,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1094640681, now seen corresponding path program 1 times [2019-10-07 15:15:22,670 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:22,670 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:22,670 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:22,670 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:22,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:22,855 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 15:15:22,856 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:22,856 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:22,856 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:22,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:22,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:22,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:22,858 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 6 states. [2019-10-07 15:15:23,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:23,058 INFO L93 Difference]: Finished difference Result 514 states and 627 transitions. [2019-10-07 15:15:23,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:23,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:23,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:23,066 INFO L225 Difference]: With dead ends: 514 [2019-10-07 15:15:23,067 INFO L226 Difference]: Without dead ends: 345 [2019-10-07 15:15:23,069 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 15:15:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-10-07 15:15:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 333. [2019-10-07 15:15:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2019-10-07 15:15:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 398 transitions. [2019-10-07 15:15:23,111 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 398 transitions. Word has length 51 [2019-10-07 15:15:23,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:23,111 INFO L462 AbstractCegarLoop]: Abstraction has 333 states and 398 transitions. [2019-10-07 15:15:23,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 398 transitions. [2019-10-07 15:15:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:23,115 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:23,115 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 15:15:23,115 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:23,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:23,116 INFO L82 PathProgramCache]: Analyzing trace with hash 339502949, now seen corresponding path program 1 times [2019-10-07 15:15:23,116 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:23,116 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:23,116 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:23,116 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:23,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:23,210 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 15:15:23,211 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:23,211 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:23,211 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:23,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:23,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:23,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:23,212 INFO L87 Difference]: Start difference. First operand 333 states and 398 transitions. Second operand 7 states. [2019-10-07 15:15:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:23,561 INFO L93 Difference]: Finished difference Result 567 states and 704 transitions. [2019-10-07 15:15:23,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:23,561 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:15:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:23,562 INFO L225 Difference]: With dead ends: 567 [2019-10-07 15:15:23,562 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:23,565 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 15:15:23,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:23,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:23,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:15:23,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:23,566 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:23,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:23,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:23,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:24,675 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-07 15:15:24,675 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-07 15:15:24,675 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:15:24,675 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-07 15:15:24,676 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:15:24,676 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-07 15:15:24,676 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:15:24,676 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-07 15:15:24,676 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-07 15:15:24,677 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:15:24,677 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-07 15:15:24,677 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:15:24,677 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-07 15:15:24,678 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2019-10-07 15:15:24,678 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2019-10-07 15:15:24,678 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2019-10-07 15:15:24,678 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2019-10-07 15:15:24,679 INFO L439 ceAbstractionStarter]: At program point L930-1(line 930) 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 15:15:24,679 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2019-10-07 15:15:24,679 INFO L443 ceAbstractionStarter]: For program point L928-1(lines 928 935) no Hoare annotation was computed. [2019-10-07 15:15:24,679 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-07 15:15:24,680 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 918 940) 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 15:15:24,681 INFO L439 ceAbstractionStarter]: At program point L925(line 925) 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 15:15:24,682 INFO L439 ceAbstractionStarter]: At program point L924(line 924) 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 15:15:24,682 INFO L439 ceAbstractionStarter]: At program point L924-1(line 924) 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 15:15:24,682 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 918 940) no Hoare annotation was computed. [2019-10-07 15:15:24,682 INFO L439 ceAbstractionStarter]: At program point L930(line 930) 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 15:15:24,683 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 877 900) no Hoare annotation was computed. [2019-10-07 15:15:24,683 INFO L443 ceAbstractionStarter]: For program point L895(line 895) no Hoare annotation was computed. [2019-10-07 15:15:24,683 INFO L443 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2019-10-07 15:15:24,683 INFO L443 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2019-10-07 15:15:24,683 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 877 900) no Hoare annotation was computed. [2019-10-07 15:15:24,683 INFO L443 ceAbstractionStarter]: For program point L892(line 892) no Hoare annotation was computed. [2019-10-07 15:15:24,683 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 877 900) no Hoare annotation was computed. [2019-10-07 15:15:24,684 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-10-07 15:15:24,684 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-07 15:15:24,684 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-07 15:15:24,684 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-07 15:15:24,684 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-07 15:15:24,686 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-07 15:15:24,686 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-07 15:15:24,686 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-07 15:15:24,686 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-10-07 15:15:24,687 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-07 15:15:24,687 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 758 772) no Hoare annotation was computed. [2019-10-07 15:15:24,687 INFO L439 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:24,687 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 768) no Hoare annotation was computed. [2019-10-07 15:15:24,687 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 758 772) 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 15:15:24,687 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 694 702) no Hoare annotation was computed. [2019-10-07 15:15:24,688 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 694 702) the Hoare annotation is: true [2019-10-07 15:15:24,688 INFO L446 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: true [2019-10-07 15:15:24,688 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 739 757) the Hoare annotation is: true [2019-10-07 15:15:24,688 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-10-07 15:15:24,688 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 739 757) no Hoare annotation was computed. [2019-10-07 15:15:24,688 INFO L443 ceAbstractionStarter]: For program point L733(line 733) no Hoare annotation was computed. [2019-10-07 15:15:24,688 INFO L443 ceAbstractionStarter]: For program point L733-1(line 733) no Hoare annotation was computed. [2019-10-07 15:15:24,688 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 703 738) no Hoare annotation was computed. [2019-10-07 15:15:24,689 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 703 738) no Hoare annotation was computed. [2019-10-07 15:15:24,689 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2019-10-07 15:15:24,689 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2019-10-07 15:15:24,689 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:15:24,689 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:15:24,689 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:15:24,689 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:15:24,690 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 908 917) 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 15:15:24,690 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 908 917) no Hoare annotation was computed. [2019-10-07 15:15:24,690 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 908 917) no Hoare annotation was computed. [2019-10-07 15:15:24,690 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-10-07 15:15:24,690 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 683 693) no Hoare annotation was computed. [2019-10-07 15:15:24,690 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-07 15:15:24,690 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 683 693) no Hoare annotation was computed. [2019-10-07 15:15:24,690 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 675 682) the Hoare annotation is: true [2019-10-07 15:15:24,691 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-07 15:15:24,691 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:24,691 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:24,691 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-07 15:15:24,691 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 624 648) no Hoare annotation was computed. [2019-10-07 15:15:24,691 INFO L439 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:24,692 INFO L443 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2019-10-07 15:15:24,692 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-10-07 15:15:24,692 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 624 648) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:24,692 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:24,692 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2019-10-07 15:15:24,692 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2019-10-07 15:15:24,696 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2019-10-07 15:15:24,697 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-10-07 15:15:24,697 INFO L443 ceAbstractionStarter]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2019-10-07 15:15:24,698 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 515 582) 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 15:15:24,698 INFO L439 ceAbstractionStarter]: At program point L572(lines 525 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:24,698 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 15:15:24,698 INFO L443 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2019-10-07 15:15:24,698 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 515 582) no Hoare annotation was computed. [2019-10-07 15:15:24,698 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2019-10-07 15:15:24,698 INFO L439 ceAbstractionStarter]: At program point L575(lines 524 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:24,703 INFO L439 ceAbstractionStarter]: At program point L565(line 565) 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 15:15:24,704 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-10-07 15:15:24,704 INFO L439 ceAbstractionStarter]: At program point L563-1(lines 555 570) 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 15:15:24,704 INFO L443 ceAbstractionStarter]: For program point L526(lines 525 574) no Hoare annotation was computed. [2019-10-07 15:15:24,704 INFO L439 ceAbstractionStarter]: At program point L557(line 557) 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 15:15:24,704 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 570) no Hoare annotation was computed. [2019-10-07 15:15:24,705 INFO L439 ceAbstractionStarter]: At program point L547(line 547) 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 15:15:24,705 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 515 582) no Hoare annotation was computed. [2019-10-07 15:15:24,705 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:15:24,705 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:15:24,705 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 649 656) no Hoare annotation was computed. [2019-10-07 15:15:24,705 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 649 656) no Hoare annotation was computed. [2019-10-07 15:15:24,705 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:15:24,706 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-07 15:15:24,707 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-07 15:15:24,707 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-07 15:15:24,707 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:15:24,707 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-07 15:15:24,707 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-07 15:15:24,707 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-07 15:15:24,707 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:15:24,708 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:15:24,708 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2019-10-07 15:15:24,708 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2019-10-07 15:15:24,708 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:24,708 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:24,708 INFO L443 ceAbstractionStarter]: For program point L669(line 669) no Hoare annotation was computed. [2019-10-07 15:15:24,708 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 658 674) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 658 674) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 671) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 658 674) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 492 500) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:24,709 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:24,710 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2019-10-07 15:15:24,710 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2019-10-07 15:15:24,710 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2019-10-07 15:15:24,710 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-07 15:15:24,710 INFO L439 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:15:24,710 INFO L439 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:24,710 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:24,710 INFO L443 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2019-10-07 15:15:24,711 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:24,711 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2019-10-07 15:15:24,711 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2019-10-07 15:15:24,711 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 847 876) no Hoare annotation was computed. [2019-10-07 15:15:24,711 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-10-07 15:15:24,711 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 847 876) the Hoare annotation is: true [2019-10-07 15:15:24,711 INFO L446 ceAbstractionStarter]: At program point L861-1(lines 861 865) the Hoare annotation is: true [2019-10-07 15:15:24,711 INFO L446 ceAbstractionStarter]: At program point L857-2(lines 857 871) the Hoare annotation is: true [2019-10-07 15:15:24,712 INFO L446 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: true [2019-10-07 15:15:24,712 INFO L443 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2019-10-07 15:15:24,712 INFO L446 ceAbstractionStarter]: At program point L872(lines 847 876) the Hoare annotation is: true [2019-10-07 15:15:24,712 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-10-07 15:15:24,712 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2019-10-07 15:15:24,713 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2019-10-07 15:15:24,713 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 901 907) no Hoare annotation was computed. [2019-10-07 15:15:24,713 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 901 907) the Hoare annotation is: true [2019-10-07 15:15:24,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:24,713 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 15:15:24,713 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:24,714 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:24,714 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 773 780) no Hoare annotation was computed. [2019-10-07 15:15:24,714 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 773 780) the Hoare annotation is: true [2019-10-07 15:15:24,714 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2019-10-07 15:15:24,714 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2019-10-07 15:15:24,714 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:15:24,714 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:15:24,715 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:15:24,715 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 782 806) the Hoare annotation is: true [2019-10-07 15:15:24,715 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:15:24,715 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 800) no Hoare annotation was computed. [2019-10-07 15:15:24,715 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:24,715 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 782 806) no Hoare annotation was computed. [2019-10-07 15:15:24,715 INFO L443 ceAbstractionStarter]: For program point L792-1(line 792) no Hoare annotation was computed. [2019-10-07 15:15:24,716 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 803) no Hoare annotation was computed. [2019-10-07 15:15:24,716 INFO L443 ceAbstractionStarter]: For program point L790-1(lines 782 806) no Hoare annotation was computed. [2019-10-07 15:15:24,716 INFO L446 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2019-10-07 15:15:24,716 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-10-07 15:15:24,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:24 BoogieIcfgContainer [2019-10-07 15:15:24,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:24,752 INFO L168 Benchmark]: Toolchain (without parser) took 6501.68 ms. Allocated memory was 143.1 MB in the beginning and 298.8 MB in the end (delta: 155.7 MB). Free memory was 99.8 MB in the beginning and 228.8 MB in the end (delta: -129.0 MB). Peak memory consumption was 122.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:24,754 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:24,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.06 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.4 MB in the beginning and 166.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:24,758 INFO L168 Benchmark]: Boogie Preprocessor took 89.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 161.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:24,760 INFO L168 Benchmark]: RCFGBuilder took 1866.03 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 161.8 MB in the beginning and 145.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:24,762 INFO L168 Benchmark]: TraceAbstraction took 3757.64 ms. Allocated memory was 230.2 MB in the beginning and 298.8 MB in the end (delta: 68.7 MB). Free memory was 145.8 MB in the beginning and 228.8 MB in the end (delta: -82.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:24,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.06 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.4 MB in the beginning and 166.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 161.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1866.03 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 161.8 MB in the beginning and 145.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3757.64 ms. Allocated memory was 230.2 MB in the beginning and 298.8 MB in the end (delta: 68.7 MB). Free memory was 145.8 MB in the beginning and 228.8 MB in the end (delta: -82.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: 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 40 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 536 SDtfs, 295 SDslu, 1008 SDs, 0 SdLazy, 388 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred 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, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 438 PreInvPairs, 482 NumberOfFragments, 489 HoareAnnotationTreeSize, 438 FomulaSimplifications, 447 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1797 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 20858 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...