/usr/bin/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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:28:39,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:28:39,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:28:39,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:28:39,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:28:39,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:28:39,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:28:39,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:28:39,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:28:39,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:28:39,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:28:39,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:28:39,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:28:39,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:28:39,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:28:39,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:28:39,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:28:39,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:28:39,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:28:39,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:28:39,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:28:39,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:28:39,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:28:39,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:28:39,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:28:39,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:28:39,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:28:39,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:28:39,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:28:39,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:28:39,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:28:39,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:28:39,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:28:39,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:28:39,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:28:39,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:28:39,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:28:39,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:28:39,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:28:39,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:28:39,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:28:39,291 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 [2019-11-07 04:28:39,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:28:39,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:28:39,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:28:39,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:28:39,327 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:28:39,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:28:39,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:28:39,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:28:39,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:28:39,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:28:39,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:28:39,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:28:39,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:28:39,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:28:39,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:28:39,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:28:39,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:28:39,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:28:39,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:28:39,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:28:39,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:28:39,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:28:39,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:28:39,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:28:39,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:28:39,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:28:39,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:28:39,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:28:39,334 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 [2019-11-07 04:28:39,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:28:39,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:28:39,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:28:39,647 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:28:39,648 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:28:39,648 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2019-11-07 04:28:39,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907f66f39/dc954f6896ba4940ad404071af31d74c/FLAGc0797d0c2 [2019-11-07 04:28:40,241 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:28:40,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2019-11-07 04:28:40,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907f66f39/dc954f6896ba4940ad404071af31d74c/FLAGc0797d0c2 [2019-11-07 04:28:40,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907f66f39/dc954f6896ba4940ad404071af31d74c [2019-11-07 04:28:40,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:28:40,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:28:40,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:40,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:28:40,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:28:40,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:40" (1/1) ... [2019-11-07 04:28:40,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8fd7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:40, skipping insertion in model container [2019-11-07 04:28:40,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:40" (1/1) ... [2019-11-07 04:28:40,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:28:40,676 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:28:41,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:41,174 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:28:41,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:41,296 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:28:41,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41 WrapperNode [2019-11-07 04:28:41,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:41,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:28:41,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:28:41,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:28:41,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (1/1) ... [2019-11-07 04:28:41,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (1/1) ... [2019-11-07 04:28:41,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (1/1) ... [2019-11-07 04:28:41,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (1/1) ... [2019-11-07 04:28:41,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (1/1) ... [2019-11-07 04:28:41,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (1/1) ... [2019-11-07 04:28:41,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (1/1) ... [2019-11-07 04:28:41,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:28:41,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:28:41,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:28:41,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:28:41,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (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 [2019-11-07 04:28:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:28:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:28:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:28:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:28:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:28:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 04:28:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:28:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:28:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:28:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:28:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:28:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:28:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:28:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:28:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:28:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:28:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:28:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:28:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:28:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:28:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:28:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:28:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:28:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:28:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:28:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:28:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:28:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:28:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:28:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:28:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:28:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:28:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:28:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:28:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:28:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:28:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:28:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:28:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:28:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:28:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:28:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:28:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:28:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:28:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:28:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:28:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:28:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:28:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:28:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:28:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 04:28:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:28:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:28:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:28:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:28:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:28:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:28:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:28:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:28:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:28:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:28:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:28:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:28:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:28:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:28:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:28:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:28:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:28:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:28:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:28:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:28:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:28:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:28:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:28:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:28:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:28:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:28:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:28:43,127 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:28:43,128 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:28:43,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:43 BoogieIcfgContainer [2019-11-07 04:28:43,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:28:43,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:28:43,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:28:43,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:28:43,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:28:40" (1/3) ... [2019-11-07 04:28:43,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7491e348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:43, skipping insertion in model container [2019-11-07 04:28:43,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:41" (2/3) ... [2019-11-07 04:28:43,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7491e348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:43, skipping insertion in model container [2019-11-07 04:28:43,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:43" (3/3) ... [2019-11-07 04:28:43,137 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2019-11-07 04:28:43,147 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:28:43,155 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:28:43,167 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:28:43,194 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:28:43,194 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:28:43,194 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:28:43,195 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:28:43,195 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:28:43,195 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:28:43,195 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:28:43,195 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:28:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-11-07 04:28:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:28:43,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:43,235 INFO L410 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] [2019-11-07 04:28:43,239 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:43,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:43,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1392022797, now seen corresponding path program 1 times [2019-11-07 04:28:43,261 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:43,262 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403039064] [2019-11-07 04:28:43,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:43,648 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403039064] [2019-11-07 04:28:43,649 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:43,650 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:28:43,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498892158] [2019-11-07 04:28:43,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:28:43,656 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:43,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:28:43,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:28:43,675 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-11-07 04:28:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:43,714 INFO L93 Difference]: Finished difference Result 163 states and 198 transitions. [2019-11-07 04:28:43,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:28:43,716 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:28:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:43,729 INFO L225 Difference]: With dead ends: 163 [2019-11-07 04:28:43,730 INFO L226 Difference]: Without dead ends: 82 [2019-11-07 04:28:43,734 INFO L630 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 [2019-11-07 04:28:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-11-07 04:28:43,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-11-07 04:28:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-07 04:28:43,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-11-07 04:28:43,790 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 42 [2019-11-07 04:28:43,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:43,790 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-11-07 04:28:43,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:28:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-11-07 04:28:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:28:43,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:43,794 INFO L410 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] [2019-11-07 04:28:43,795 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:43,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:43,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2134425595, now seen corresponding path program 1 times [2019-11-07 04:28:43,796 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:43,796 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423045472] [2019-11-07 04:28:43,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:43,940 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423045472] [2019-11-07 04:28:43,941 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:43,941 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:28:43,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934927358] [2019-11-07 04:28:43,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:28:43,945 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:43,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:28:43,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:28:43,946 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-11-07 04:28:43,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:43,982 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2019-11-07 04:28:43,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:28:43,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:28:43,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:43,988 INFO L225 Difference]: With dead ends: 109 [2019-11-07 04:28:43,988 INFO L226 Difference]: Without dead ends: 74 [2019-11-07 04:28:43,990 INFO L630 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 [2019-11-07 04:28:43,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-07 04:28:44,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-11-07 04:28:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-07 04:28:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-11-07 04:28:44,017 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 43 [2019-11-07 04:28:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:44,019 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-11-07 04:28:44,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:28:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-11-07 04:28:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:28:44,021 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:44,022 INFO L410 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] [2019-11-07 04:28:44,023 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:44,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:44,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1227742014, now seen corresponding path program 1 times [2019-11-07 04:28:44,024 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:44,024 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105031643] [2019-11-07 04:28:44,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:44,189 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105031643] [2019-11-07 04:28:44,190 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:44,190 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:28:44,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137590776] [2019-11-07 04:28:44,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:28:44,191 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:44,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:28:44,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:28:44,192 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-11-07 04:28:44,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:44,580 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2019-11-07 04:28:44,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:28:44,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-11-07 04:28:44,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:44,585 INFO L225 Difference]: With dead ends: 223 [2019-11-07 04:28:44,585 INFO L226 Difference]: Without dead ends: 171 [2019-11-07 04:28:44,588 INFO L630 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 [2019-11-07 04:28:44,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-07 04:28:44,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2019-11-07 04:28:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-07 04:28:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 172 transitions. [2019-11-07 04:28:44,624 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 172 transitions. Word has length 47 [2019-11-07 04:28:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:44,625 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 172 transitions. [2019-11-07 04:28:44,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:28:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2019-11-07 04:28:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 04:28:44,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:44,627 INFO L410 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] [2019-11-07 04:28:44,628 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:44,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:44,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1036773248, now seen corresponding path program 1 times [2019-11-07 04:28:44,628 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:44,629 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400359874] [2019-11-07 04:28:44,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:44,800 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400359874] [2019-11-07 04:28:44,800 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:44,801 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:44,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401224828] [2019-11-07 04:28:44,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:44,803 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:44,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:44,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:44,803 INFO L87 Difference]: Start difference. First operand 149 states and 172 transitions. Second operand 6 states. [2019-11-07 04:28:44,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:44,987 INFO L93 Difference]: Finished difference Result 388 states and 465 transitions. [2019-11-07 04:28:44,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:28:44,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-11-07 04:28:44,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:45,000 INFO L225 Difference]: With dead ends: 388 [2019-11-07 04:28:45,000 INFO L226 Difference]: Without dead ends: 261 [2019-11-07 04:28:45,003 INFO L630 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 [2019-11-07 04:28:45,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-07 04:28:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2019-11-07 04:28:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-11-07 04:28:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 290 transitions. [2019-11-07 04:28:45,052 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 290 transitions. Word has length 50 [2019-11-07 04:28:45,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:45,052 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 290 transitions. [2019-11-07 04:28:45,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 290 transitions. [2019-11-07 04:28:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:28:45,055 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:45,056 INFO L410 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] [2019-11-07 04:28:45,056 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:45,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:45,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1418610694, now seen corresponding path program 1 times [2019-11-07 04:28:45,057 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:45,057 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036644755] [2019-11-07 04:28:45,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:45,167 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036644755] [2019-11-07 04:28:45,167 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:45,168 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:45,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144431487] [2019-11-07 04:28:45,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:45,169 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:45,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:45,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:45,169 INFO L87 Difference]: Start difference. First operand 249 states and 290 transitions. Second operand 6 states. [2019-11-07 04:28:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:45,351 INFO L93 Difference]: Finished difference Result 455 states and 548 transitions. [2019-11-07 04:28:45,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:28:45,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-07 04:28:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:45,352 INFO L225 Difference]: With dead ends: 455 [2019-11-07 04:28:45,353 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:28:45,355 INFO L630 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 [2019-11-07 04:28:45,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:28:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:28:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:28:45,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:28:45,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-11-07 04:28:45,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:45,357 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:28:45,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:28:45,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:28:45,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:28:45,999 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-11-07 04:28:46,000 INFO L443 ceAbstractionStarter]: For program point L502-2(lines 502 523) no Hoare annotation was computed. [2019-11-07 04:28:46,000 INFO L443 ceAbstractionStarter]: For program point L524(lines 501 525) no Hoare annotation was computed. [2019-11-07 04:28:46,000 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 477 532) no Hoare annotation was computed. [2019-11-07 04:28:46,000 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 477 532) no Hoare annotation was computed. [2019-11-07 04:28:46,001 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-11-07 04:28:46,001 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 533 592) no Hoare annotation was computed. [2019-11-07 04:28:46,001 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 569) no Hoare annotation was computed. [2019-11-07 04:28:46,001 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 533 592) no Hoare annotation was computed. [2019-11-07 04:28:46,001 INFO L443 ceAbstractionStarter]: For program point L559-2(lines 559 584) no Hoare annotation was computed. [2019-11-07 04:28:46,001 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 533 592) no Hoare annotation was computed. [2019-11-07 04:28:46,002 INFO L443 ceAbstractionStarter]: For program point L585(lines 558 586) no Hoare annotation was computed. [2019-11-07 04:28:46,002 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-11-07 04:28:46,002 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 382 388) the Hoare annotation is: true [2019-11-07 04:28:46,002 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 382 388) no Hoare annotation was computed. [2019-11-07 04:28:46,002 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 389 397) no Hoare annotation was computed. [2019-11-07 04:28:46,003 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 389 397) the Hoare annotation is: true [2019-11-07 04:28:46,003 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 863 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,003 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 863 885) no Hoare annotation was computed. [2019-11-07 04:28:46,003 INFO L439 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,004 INFO L439 ceAbstractionStarter]: At program point L875-1(line 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,004 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 880) no Hoare annotation was computed. [2019-11-07 04:28:46,004 INFO L443 ceAbstractionStarter]: For program point L873-1(lines 873 880) no Hoare annotation was computed. [2019-11-07 04:28:46,004 INFO L443 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2019-11-07 04:28:46,004 INFO L439 ceAbstractionStarter]: At program point L870(line 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,005 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,005 INFO L439 ceAbstractionStarter]: At program point L869-1(line 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,005 INFO L443 ceAbstractionStarter]: For program point L833(line 833) no Hoare annotation was computed. [2019-11-07 04:28:46,005 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-11-07 04:28:46,005 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 822 845) no Hoare annotation was computed. [2019-11-07 04:28:46,005 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-11-07 04:28:46,006 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-11-07 04:28:46,006 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-11-07 04:28:46,006 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 822 845) no Hoare annotation was computed. [2019-11-07 04:28:46,006 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-11-07 04:28:46,006 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 822 845) no Hoare annotation was computed. [2019-11-07 04:28:46,006 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-11-07 04:28:46,006 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-11-07 04:28:46,007 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-11-07 04:28:46,007 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-11-07 04:28:46,007 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-11-07 04:28:46,007 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-11-07 04:28:46,007 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-11-07 04:28:46,007 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-11-07 04:28:46,008 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 247 261) no Hoare annotation was computed. [2019-11-07 04:28:46,008 INFO L439 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:28:46,008 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-11-07 04:28:46,008 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 247 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:28:46,008 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 157 164) no Hoare annotation was computed. [2019-11-07 04:28:46,009 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 157 164) no Hoare annotation was computed. [2019-11-07 04:28:46,009 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 202 210) no Hoare annotation was computed. [2019-11-07 04:28:46,009 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 202 210) the Hoare annotation is: true [2019-11-07 04:28:46,009 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-11-07 04:28:46,009 INFO L443 ceAbstractionStarter]: For program point L241-1(line 241) no Hoare annotation was computed. [2019-11-07 04:28:46,009 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 211 246) no Hoare annotation was computed. [2019-11-07 04:28:46,009 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 211 246) no Hoare annotation was computed. [2019-11-07 04:28:46,010 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 375 381) no Hoare annotation was computed. [2019-11-07 04:28:46,010 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 375 381) the Hoare annotation is: true [2019-11-07 04:28:46,010 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 431 476) no Hoare annotation was computed. [2019-11-07 04:28:46,010 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 431 476) no Hoare annotation was computed. [2019-11-07 04:28:46,010 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 744 789) no Hoare annotation was computed. [2019-11-07 04:28:46,010 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 744 789) no Hoare annotation was computed. [2019-11-07 04:28:46,011 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 853 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,011 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 853 862) no Hoare annotation was computed. [2019-11-07 04:28:46,011 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 853 862) no Hoare annotation was computed. [2019-11-07 04:28:46,011 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 191 201) no Hoare annotation was computed. [2019-11-07 04:28:46,011 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 191 201) no Hoare annotation was computed. [2019-11-07 04:28:46,011 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-07 04:28:46,011 INFO L443 ceAbstractionStarter]: For program point L196-1(line 196) no Hoare annotation was computed. [2019-11-07 04:28:46,012 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2019-11-07 04:28:46,012 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2019-11-07 04:28:46,012 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 150 156) no Hoare annotation was computed. [2019-11-07 04:28:46,012 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 150 156) the Hoare annotation is: true [2019-11-07 04:28:46,012 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2019-11-07 04:28:46,012 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,013 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2019-11-07 04:28:46,013 INFO L439 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:46,013 INFO L439 ceAbstractionStarter]: At program point L96(line 96) 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))) [2019-11-07 04:28:46,013 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2019-11-07 04:28:46,013 INFO L439 ceAbstractionStarter]: At program point L94-1(lines 86 101) 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))) [2019-11-07 04:28:46,013 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2019-11-07 04:28:46,014 INFO L439 ceAbstractionStarter]: At program point L88(line 88) 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))) [2019-11-07 04:28:46,014 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2019-11-07 04:28:46,014 INFO L439 ceAbstractionStarter]: At program point L78(line 78) 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))) [2019-11-07 04:28:46,014 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2019-11-07 04:28:46,014 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2019-11-07 04:28:46,014 INFO L439 ceAbstractionStarter]: At program point L103(lines 56 105) 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))) [2019-11-07 04:28:46,015 INFO L439 ceAbstractionStarter]: At program point L68(line 68) 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))) [2019-11-07 04:28:46,015 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2019-11-07 04:28:46,015 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-07 04:28:46,015 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 698 743) no Hoare annotation was computed. [2019-11-07 04:28:46,015 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 698 743) no Hoare annotation was computed. [2019-11-07 04:28:46,015 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 328 350) no Hoare annotation was computed. [2019-11-07 04:28:46,016 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 328 350) no Hoare annotation was computed. [2019-11-07 04:28:46,016 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 365 374) no Hoare annotation was computed. [2019-11-07 04:28:46,016 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 365 374) no Hoare annotation was computed. [2019-11-07 04:28:46,016 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 595 697) no Hoare annotation was computed. [2019-11-07 04:28:46,016 INFO L443 ceAbstractionStarter]: For program point L665(lines 643 666) no Hoare annotation was computed. [2019-11-07 04:28:46,016 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 640) no Hoare annotation was computed. [2019-11-07 04:28:46,016 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 595 697) no Hoare annotation was computed. [2019-11-07 04:28:46,017 INFO L443 ceAbstractionStarter]: For program point L645(lines 644 664) no Hoare annotation was computed. [2019-11-07 04:28:46,017 INFO L443 ceAbstractionStarter]: For program point L676(line 676) no Hoare annotation was computed. [2019-11-07 04:28:46,017 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-11-07 04:28:46,017 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 682) no Hoare annotation was computed. [2019-11-07 04:28:46,017 INFO L443 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2019-11-07 04:28:46,017 INFO L443 ceAbstractionStarter]: For program point L660-1(line 660) no Hoare annotation was computed. [2019-11-07 04:28:46,017 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 595 697) no Hoare annotation was computed. [2019-11-07 04:28:46,018 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 623) no Hoare annotation was computed. [2019-11-07 04:28:46,018 INFO L443 ceAbstractionStarter]: For program point L644-2(lines 644 664) no Hoare annotation was computed. [2019-11-07 04:28:46,018 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:46,018 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:46,018 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-07 04:28:46,018 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 166 182) no Hoare annotation was computed. [2019-11-07 04:28:46,018 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 179) no Hoare annotation was computed. [2019-11-07 04:28:46,019 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 166 182) no Hoare annotation was computed. [2019-11-07 04:28:46,019 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-07 04:28:46,019 INFO L443 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2019-11-07 04:28:46,019 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 166 182) no Hoare annotation was computed. [2019-11-07 04:28:46,019 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 351 359) no Hoare annotation was computed. [2019-11-07 04:28:46,019 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 351 359) no Hoare annotation was computed. [2019-11-07 04:28:46,019 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: true [2019-11-07 04:28:46,020 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2019-11-07 04:28:46,020 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:46,020 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:28:46,020 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: true [2019-11-07 04:28:46,020 INFO L439 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-11-07 04:28:46,020 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2019-11-07 04:28:46,020 INFO L446 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: true [2019-11-07 04:28:46,021 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2019-11-07 04:28:46,021 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:28:46,021 INFO L443 ceAbstractionStarter]: For program point L130(lines 129 148) no Hoare annotation was computed. [2019-11-07 04:28:46,021 INFO L446 ceAbstractionStarter]: At program point L802-2(lines 802 816) the Hoare annotation is: true [2019-11-07 04:28:46,021 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 792 821) no Hoare annotation was computed. [2019-11-07 04:28:46,021 INFO L446 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2019-11-07 04:28:46,021 INFO L443 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2019-11-07 04:28:46,022 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 792 821) the Hoare annotation is: true [2019-11-07 04:28:46,022 INFO L446 ceAbstractionStarter]: At program point L817(lines 792 821) the Hoare annotation is: true [2019-11-07 04:28:46,022 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-11-07 04:28:46,022 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 810) no Hoare annotation was computed. [2019-11-07 04:28:46,022 INFO L446 ceAbstractionStarter]: At program point L806-1(lines 806 810) the Hoare annotation is: true [2019-11-07 04:28:46,022 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2019-11-07 04:28:46,022 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2019-11-07 04:28:46,023 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2019-11-07 04:28:46,023 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2019-11-07 04:28:46,023 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 846 852) no Hoare annotation was computed. [2019-11-07 04:28:46,023 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 846 852) the Hoare annotation is: true [2019-11-07 04:28:46,023 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:46,023 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:28:46,024 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:46,024 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:28:46,024 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 262 269) no Hoare annotation was computed. [2019-11-07 04:28:46,024 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 262 269) the Hoare annotation is: true [2019-11-07 04:28:46,024 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2019-11-07 04:28:46,024 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2019-11-07 04:28:46,024 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 275) no Hoare annotation was computed. [2019-11-07 04:28:46,025 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 271 278) the Hoare annotation is: true [2019-11-07 04:28:46,025 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 271 278) no Hoare annotation was computed. [2019-11-07 04:28:46,025 INFO L439 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:28:46,025 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 399 423) the Hoare annotation is: true [2019-11-07 04:28:46,025 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 417) no Hoare annotation was computed. [2019-11-07 04:28:46,025 INFO L439 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:28:46,025 INFO L443 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2019-11-07 04:28:46,026 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 399 423) no Hoare annotation was computed. [2019-11-07 04:28:46,026 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 420) no Hoare annotation was computed. [2019-11-07 04:28:46,026 INFO L443 ceAbstractionStarter]: For program point L407-1(lines 399 423) no Hoare annotation was computed. [2019-11-07 04:28:46,026 INFO L446 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2019-11-07 04:28:46,026 INFO L443 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2019-11-07 04:28:46,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:28:46 BoogieIcfgContainer [2019-11-07 04:28:46,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:28:46,045 INFO L168 Benchmark]: Toolchain (without parser) took 5459.54 ms. Allocated memory was 142.6 MB in the beginning and 252.7 MB in the end (delta: 110.1 MB). Free memory was 99.6 MB in the beginning and 162.8 MB in the end (delta: -63.2 MB). Peak memory consumption was 129.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:46,047 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 04:28:46,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.06 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 99.4 MB in the beginning and 169.0 MB in the end (delta: -69.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:46,050 INFO L168 Benchmark]: Boogie Preprocessor took 120.96 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:46,051 INFO L168 Benchmark]: RCFGBuilder took 1709.39 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 164.8 MB in the beginning and 154.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:46,052 INFO L168 Benchmark]: TraceAbstraction took 2912.25 ms. Allocated memory was 229.1 MB in the beginning and 252.7 MB in the end (delta: 23.6 MB). Free memory was 154.9 MB in the beginning and 162.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:46,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.06 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 99.4 MB in the beginning and 169.0 MB in the end (delta: -69.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.96 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1709.39 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 164.8 MB in the beginning and 154.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2912.25 ms. Allocated memory was 229.1 MB in the beginning and 252.7 MB in the end (delta: 23.6 MB). Free memory was 154.9 MB in the beginning and 162.8 MB in the end (delta: -7.9 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 275]: 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: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: 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 37 procedures, 167 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 441 SDtfs, 238 SDslu, 808 SDs, 0 SdLazy, 241 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred 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, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 302 PreInvPairs, 342 NumberOfFragments, 395 HoareAnnotationTreeSize, 302 FomulaSimplifications, 356 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1201 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 20208 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...