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_spec5_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:37,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:37,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:37,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:37,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:37,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:37,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:37,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:37,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:37,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:37,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:37,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:37,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:37,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:37,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:37,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:37,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:37,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:37,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:37,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:37,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:37,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:37,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:37,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:37,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:37,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:37,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:37,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:37,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:37,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:37,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:37,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:37,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:37,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:37,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:37,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:37,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:37,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:37,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:37,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:37,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:37,239 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 15:20:37,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:37,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:37,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:37,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:37,255 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:37,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:37,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:37,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:37,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:37,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:37,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:37,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:37,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:37,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:37,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:37,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:37,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:37,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:37,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:37,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:37,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:37,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:37,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:37,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:37,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:37,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:37,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:37,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:37,260 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 15:20:37,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:37,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:37,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:37,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:37,575 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:37,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product18.cil.c [2019-10-07 15:20:37,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0add860e9/a02989bce9cc450b870fa901d1e82cad/FLAG0789f2a52 [2019-10-07 15:20:38,216 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:38,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product18.cil.c [2019-10-07 15:20:38,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0add860e9/a02989bce9cc450b870fa901d1e82cad/FLAG0789f2a52 [2019-10-07 15:20:38,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0add860e9/a02989bce9cc450b870fa901d1e82cad [2019-10-07 15:20:38,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:38,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:38,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:38,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:38,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:38,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76624cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38, skipping insertion in model container [2019-10-07 15:20:38,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,532 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:38,585 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:39,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:39,037 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:39,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:39,162 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:39,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39 WrapperNode [2019-10-07 15:20:39,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:39,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:39,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:39,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:39,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:39,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:39,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:39,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:39,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (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 15:20:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:20:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:20:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:20:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:20:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:39,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:39,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:41,014 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:41,014 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:41,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:41 BoogieIcfgContainer [2019-10-07 15:20:41,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:41,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:41,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:41,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:41,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:38" (1/3) ... [2019-10-07 15:20:41,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580379fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:41, skipping insertion in model container [2019-10-07 15:20:41,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39" (2/3) ... [2019-10-07 15:20:41,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580379fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:41, skipping insertion in model container [2019-10-07 15:20:41,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:41" (3/3) ... [2019-10-07 15:20:41,025 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product18.cil.c [2019-10-07 15:20:41,035 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:41,044 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:41,056 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:41,090 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:41,090 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:41,090 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:41,090 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:41,091 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:41,091 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:41,091 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:41,091 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-07 15:20:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:41,123 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:41,124 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:41,127 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:41,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:41,133 INFO L82 PathProgramCache]: Analyzing trace with hash 115332701, now seen corresponding path program 1 times [2019-10-07 15:20:41,143 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:41,143 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,144 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,144 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:41,551 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,552 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:41,552 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:41,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:41,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:41,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:41,570 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-07 15:20:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:41,608 INFO L93 Difference]: Finished difference Result 196 states and 237 transitions. [2019-10-07 15:20:41,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:41,610 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:41,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:41,623 INFO L225 Difference]: With dead ends: 196 [2019-10-07 15:20:41,623 INFO L226 Difference]: Without dead ends: 100 [2019-10-07 15:20:41,628 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 15:20:41,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-07 15:20:41,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-07 15:20:41,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-07 15:20:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2019-10-07 15:20:41,685 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2019-10-07 15:20:41,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:41,686 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2019-10-07 15:20:41,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2019-10-07 15:20:41,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:41,690 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:41,690 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:41,691 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:41,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1494155810, now seen corresponding path program 1 times [2019-10-07 15:20:41,692 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:41,692 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,692 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,692 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:41,900 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,900 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:41,900 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:41,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:41,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:41,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:41,904 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 3 states. [2019-10-07 15:20:41,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:41,945 INFO L93 Difference]: Finished difference Result 150 states and 171 transitions. [2019-10-07 15:20:41,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:41,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:41,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:41,951 INFO L225 Difference]: With dead ends: 150 [2019-10-07 15:20:41,952 INFO L226 Difference]: Without dead ends: 92 [2019-10-07 15:20:41,953 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 15:20:41,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-07 15:20:41,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-07 15:20:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-07 15:20:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2019-10-07 15:20:41,981 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 53 [2019-10-07 15:20:41,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:41,981 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2019-10-07 15:20:41,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2019-10-07 15:20:41,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:41,984 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:41,984 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:41,985 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:41,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:41,985 INFO L82 PathProgramCache]: Analyzing trace with hash 280687850, now seen corresponding path program 1 times [2019-10-07 15:20:41,986 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:41,986 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,986 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,986 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:42,199 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:42,199 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:42,199 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:42,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:42,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:42,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:42,201 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand 7 states. [2019-10-07 15:20:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:42,479 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2019-10-07 15:20:42,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:42,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:42,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:42,482 INFO L225 Difference]: With dead ends: 159 [2019-10-07 15:20:42,482 INFO L226 Difference]: Without dead ends: 92 [2019-10-07 15:20:42,483 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 15:20:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-07 15:20:42,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-07 15:20:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-07 15:20:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2019-10-07 15:20:42,494 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 56 [2019-10-07 15:20:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:42,496 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2019-10-07 15:20:42,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2019-10-07 15:20:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 15:20:42,498 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:42,499 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:42,499 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:42,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1107652977, now seen corresponding path program 1 times [2019-10-07 15:20:42,499 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:42,500 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:42,500 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:42,500 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:42,616 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:42,617 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:42,617 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:42,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:42,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:42,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:42,618 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand 7 states. [2019-10-07 15:20:42,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:42,951 INFO L93 Difference]: Finished difference Result 141 states and 162 transitions. [2019-10-07 15:20:42,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:42,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-07 15:20:42,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:42,952 INFO L225 Difference]: With dead ends: 141 [2019-10-07 15:20:42,953 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:42,954 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 15:20:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:42,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-10-07 15:20:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:42,955 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:42,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:42,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:42,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:43,511 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-10-07 15:20:43,511 INFO L443 ceAbstractionStarter]: For program point L557-2(lines 557 578) no Hoare annotation was computed. [2019-10-07 15:20:43,512 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 532 587) no Hoare annotation was computed. [2019-10-07 15:20:43,512 INFO L443 ceAbstractionStarter]: For program point L579(lines 556 580) no Hoare annotation was computed. [2019-10-07 15:20:43,512 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 532 587) no Hoare annotation was computed. [2019-10-07 15:20:43,512 INFO L443 ceAbstractionStarter]: For program point L640(lines 613 641) no Hoare annotation was computed. [2019-10-07 15:20:43,512 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-07 15:20:43,512 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-07 15:20:43,512 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 588 647) no Hoare annotation was computed. [2019-10-07 15:20:43,513 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 588 647) no Hoare annotation was computed. [2019-10-07 15:20:43,513 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 624) no Hoare annotation was computed. [2019-10-07 15:20:43,513 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 588 647) no Hoare annotation was computed. [2019-10-07 15:20:43,513 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 639) no Hoare annotation was computed. [2019-10-07 15:20:43,519 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2019-10-07 15:20:43,521 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2019-10-07 15:20:43,521 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2019-10-07 15:20:43,522 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2019-10-07 15:20:43,522 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 432 439) the Hoare annotation is: true [2019-10-07 15:20:43,522 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 432 439) no Hoare annotation was computed. [2019-10-07 15:20:43,522 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 440 449) the Hoare annotation is: true [2019-10-07 15:20:43,522 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-07 15:20:43,522 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 440 449) no Hoare annotation was computed. [2019-10-07 15:20:43,523 INFO L439 ceAbstractionStarter]: At program point L465(line 465) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,523 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 450 478) the Hoare annotation is: true [2019-10-07 15:20:43,523 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 469) no Hoare annotation was computed. [2019-10-07 15:20:43,523 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 472) no Hoare annotation was computed. [2019-10-07 15:20:43,523 INFO L446 ceAbstractionStarter]: At program point L460(line 460) the Hoare annotation is: true [2019-10-07 15:20:43,524 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 450 478) no Hoare annotation was computed. [2019-10-07 15:20:43,524 INFO L443 ceAbstractionStarter]: For program point L460-1(line 460) no Hoare annotation was computed. [2019-10-07 15:20:43,524 INFO L443 ceAbstractionStarter]: For program point L458(lines 458 475) no Hoare annotation was computed. [2019-10-07 15:20:43,524 INFO L443 ceAbstractionStarter]: For program point L458-1(lines 450 478) no Hoare annotation was computed. [2019-10-07 15:20:43,524 INFO L446 ceAbstractionStarter]: At program point L456(line 456) the Hoare annotation is: true [2019-10-07 15:20:43,524 INFO L443 ceAbstractionStarter]: For program point L456-1(line 456) no Hoare annotation was computed. [2019-10-07 15:20:43,524 INFO L439 ceAbstractionStarter]: At program point L418-1(line 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:43,525 INFO L443 ceAbstractionStarter]: For program point L416(lines 416 423) no Hoare annotation was computed. [2019-10-07 15:20:43,525 INFO L443 ceAbstractionStarter]: For program point L416-1(lines 416 423) no Hoare annotation was computed. [2019-10-07 15:20:43,525 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-07 15:20:43,528 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 406 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,529 INFO L439 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,529 INFO L439 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,529 INFO L439 ceAbstractionStarter]: At program point L412-1(line 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,529 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 406 428) no Hoare annotation was computed. [2019-10-07 15:20:43,529 INFO L439 ceAbstractionStarter]: At program point L418(line 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:43,529 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 363 386) no Hoare annotation was computed. [2019-10-07 15:20:43,530 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-10-07 15:20:43,530 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 363 386) no Hoare annotation was computed. [2019-10-07 15:20:43,530 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-10-07 15:20:43,530 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 363 386) no Hoare annotation was computed. [2019-10-07 15:20:43,532 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-07 15:20:43,532 INFO L443 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-10-07 15:20:43,532 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-10-07 15:20:43,532 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-10-07 15:20:43,532 INFO L443 ceAbstractionStarter]: For program point L375(line 375) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point L374(line 374) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point L371(line 371) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-10-07 15:20:43,533 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2019-10-07 15:20:43,534 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2019-10-07 15:20:43,534 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2019-10-07 15:20:43,534 INFO L446 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2019-10-07 15:20:43,534 INFO L443 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2019-10-07 15:20:43,534 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2019-10-07 15:20:43,534 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-07 15:20:43,534 INFO L443 ceAbstractionStarter]: For program point L251-1(line 251) no Hoare annotation was computed. [2019-10-07 15:20:43,535 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2019-10-07 15:20:43,535 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2019-10-07 15:20:43,535 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2019-10-07 15:20:43,535 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2019-10-07 15:20:43,535 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 486 531) no Hoare annotation was computed. [2019-10-07 15:20:43,535 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 486 531) no Hoare annotation was computed. [2019-10-07 15:20:43,535 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 799 844) no Hoare annotation was computed. [2019-10-07 15:20:43,535 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 799 844) no Hoare annotation was computed. [2019-10-07 15:20:43,536 INFO L439 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,536 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 395 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,536 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 395 405) no Hoare annotation was computed. [2019-10-07 15:20:43,539 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 395 405) no Hoare annotation was computed. [2019-10-07 15:20:43,539 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 201 211) no Hoare annotation was computed. [2019-10-07 15:20:43,539 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-07 15:20:43,539 INFO L443 ceAbstractionStarter]: For program point L206-1(line 206) no Hoare annotation was computed. [2019-10-07 15:20:43,539 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2019-10-07 15:20:43,539 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2019-10-07 15:20:43,540 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2019-10-07 15:20:43,540 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2019-10-07 15:20:43,540 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,540 INFO L439 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,540 INFO L443 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2019-10-07 15:20:43,540 INFO L439 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,541 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,541 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2019-10-07 15:20:43,541 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,541 INFO L443 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2019-10-07 15:20:43,541 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2019-10-07 15:20:43,541 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2019-10-07 15:20:43,541 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2019-10-07 15:20:43,542 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,542 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,542 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-07 15:20:43,542 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,542 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-07 15:20:43,542 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-07 15:20:43,543 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,543 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-07 15:20:43,543 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-07 15:20:43,543 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,543 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,543 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-07 15:20:43,543 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-07 15:20:43,543 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,544 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-07 15:20:43,544 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 753 798) no Hoare annotation was computed. [2019-10-07 15:20:43,544 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 753 798) no Hoare annotation was computed. [2019-10-07 15:20:43,544 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 925 933) the Hoare annotation is: true [2019-10-07 15:20:43,544 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 925 933) no Hoare annotation was computed. [2019-10-07 15:20:43,544 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 893 915) no Hoare annotation was computed. [2019-10-07 15:20:43,544 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 893 915) no Hoare annotation was computed. [2019-10-07 15:20:43,545 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2019-10-07 15:20:43,545 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2019-10-07 15:20:43,547 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 650 752) no Hoare annotation was computed. [2019-10-07 15:20:43,547 INFO L443 ceAbstractionStarter]: For program point L700(lines 699 719) no Hoare annotation was computed. [2019-10-07 15:20:43,547 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-10-07 15:20:43,547 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-10-07 15:20:43,547 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 737) no Hoare annotation was computed. [2019-10-07 15:20:43,548 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-07 15:20:43,548 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-07 15:20:43,548 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 650 752) no Hoare annotation was computed. [2019-10-07 15:20:43,548 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 678) no Hoare annotation was computed. [2019-10-07 15:20:43,548 INFO L443 ceAbstractionStarter]: For program point L699-2(lines 699 719) no Hoare annotation was computed. [2019-10-07 15:20:43,550 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 650 752) no Hoare annotation was computed. [2019-10-07 15:20:43,550 INFO L443 ceAbstractionStarter]: For program point L720(lines 698 721) no Hoare annotation was computed. [2019-10-07 15:20:43,551 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 695) no Hoare annotation was computed. [2019-10-07 15:20:43,551 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:43,551 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,551 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2019-10-07 15:20:43,551 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 185 192) no Hoare annotation was computed. [2019-10-07 15:20:43,551 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 916 924) the Hoare annotation is: true [2019-10-07 15:20:43,551 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-07 15:20:43,552 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 872 883) the Hoare annotation is: true [2019-10-07 15:20:43,552 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 872 883) no Hoare annotation was computed. [2019-10-07 15:20:43,552 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,552 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,552 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,552 INFO L439 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,552 INFO L439 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,553 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 151) no Hoare annotation was computed. [2019-10-07 15:20:43,553 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 151) no Hoare annotation was computed. [2019-10-07 15:20:43,553 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:43,553 INFO L443 ceAbstractionStarter]: For program point L132(lines 128 150) no Hoare annotation was computed. [2019-10-07 15:20:43,553 INFO L443 ceAbstractionStarter]: For program point L130(lines 128 150) no Hoare annotation was computed. [2019-10-07 15:20:43,553 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 333 362) no Hoare annotation was computed. [2019-10-07 15:20:43,553 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 333 362) the Hoare annotation is: true [2019-10-07 15:20:43,554 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2019-10-07 15:20:43,554 INFO L446 ceAbstractionStarter]: At program point L347-1(lines 347 351) the Hoare annotation is: true [2019-10-07 15:20:43,554 INFO L446 ceAbstractionStarter]: At program point L343-2(lines 343 357) the Hoare annotation is: true [2019-10-07 15:20:43,554 INFO L446 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2019-10-07 15:20:43,554 INFO L443 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2019-10-07 15:20:43,555 INFO L446 ceAbstractionStarter]: At program point L358(lines 333 362) the Hoare annotation is: true [2019-10-07 15:20:43,555 INFO L443 ceAbstractionStarter]: For program point L354(line 354) no Hoare annotation was computed. [2019-10-07 15:20:43,555 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 884 892) no Hoare annotation was computed. [2019-10-07 15:20:43,555 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 884 892) no Hoare annotation was computed. [2019-10-07 15:20:43,555 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 848 859) the Hoare annotation is: true [2019-10-07 15:20:43,555 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 848 859) no Hoare annotation was computed. [2019-10-07 15:20:43,557 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 387 393) no Hoare annotation was computed. [2019-10-07 15:20:43,557 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 387 393) the Hoare annotation is: true [2019-10-07 15:20:43,557 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,558 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:43,558 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:43,558 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,558 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 276 283) no Hoare annotation was computed. [2019-10-07 15:20:43,558 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 276 283) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,558 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 860 871) no Hoare annotation was computed. [2019-10-07 15:20:43,558 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 860 871) the Hoare annotation is: true [2019-10-07 15:20:43,559 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 289) no Hoare annotation was computed. [2019-10-07 15:20:43,559 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 285 292) the Hoare annotation is: true [2019-10-07 15:20:43,559 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 285 292) no Hoare annotation was computed. [2019-10-07 15:20:43,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:43 BoogieIcfgContainer [2019-10-07 15:20:43,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:43,587 INFO L168 Benchmark]: Toolchain (without parser) took 5070.94 ms. Allocated memory was 145.2 MB in the beginning and 248.5 MB in the end (delta: 103.3 MB). Free memory was 102.2 MB in the beginning and 167.8 MB in the end (delta: -65.7 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,588 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.32 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 171.4 MB in the end (delta: -69.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,590 INFO L168 Benchmark]: Boogie Preprocessor took 89.41 ms. Allocated memory is still 202.9 MB. Free memory was 171.4 MB in the beginning and 167.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,591 INFO L168 Benchmark]: RCFGBuilder took 1762.91 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 167.2 MB in the beginning and 151.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,592 INFO L168 Benchmark]: TraceAbstraction took 2566.73 ms. Allocated memory was 235.4 MB in the beginning and 248.5 MB in the end (delta: 13.1 MB). Free memory was 150.1 MB in the beginning and 167.8 MB in the end (delta: -17.7 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.32 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 171.4 MB in the end (delta: -69.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.41 ms. Allocated memory is still 202.9 MB. Free memory was 171.4 MB in the beginning and 167.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1762.91 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 167.2 MB in the beginning and 151.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2566.73 ms. Allocated memory was 235.4 MB in the beginning and 248.5 MB in the end (delta: 13.1 MB). Free memory was 150.1 MB in the beginning and 167.8 MB in the end (delta: -17.7 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 289]: 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: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 178 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 382 SDtfs, 160 SDslu, 386 SDs, 0 SdLazy, 267 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 21051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...