java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 12:39:59,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 12:39:59,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 12:39:59,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 12:39:59,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 12:39:59,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 12:39:59,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 12:39:59,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 12:39:59,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 12:39:59,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 12:39:59,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 12:39:59,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 12:39:59,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 12:39:59,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 12:39:59,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 12:39:59,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 12:39:59,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 12:39:59,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 12:39:59,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 12:39:59,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 12:39:59,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 12:39:59,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 12:39:59,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 12:39:59,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 12:39:59,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 12:39:59,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 12:39:59,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 12:39:59,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 12:39:59,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 12:39:59,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 12:39:59,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 12:39:59,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 12:39:59,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 12:39:59,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 12:39:59,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 12:39:59,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 12:39:59,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 12:39:59,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 12:39:59,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 12:39:59,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 12:39:59,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 12:39:59,391 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 [2019-09-18 12:39:59,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 12:39:59,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 12:39:59,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 12:39:59,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 12:39:59,413 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 12:39:59,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 12:39:59,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 12:39:59,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 12:39:59,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 12:39:59,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 12:39:59,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 12:39:59,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 12:39:59,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 12:39:59,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 12:39:59,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 12:39:59,416 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 12:39:59,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 12:39:59,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 12:39:59,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 12:39:59,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 12:39:59,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 12:39:59,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 12:39:59,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 12:39:59,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 12:39:59,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 12:39:59,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 12:39:59,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 12:39:59,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 12:39:59,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 12:39:59,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 12:39:59,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 12:39:59,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 12:39:59,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 12:39:59,506 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 12:39:59,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-18 12:39:59,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ac3e4d11/8e51a7c230af4572bf636f9aa3180182/FLAGaea5963a5 [2019-09-18 12:40:00,019 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 12:40:00,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-18 12:40:00,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ac3e4d11/8e51a7c230af4572bf636f9aa3180182/FLAGaea5963a5 [2019-09-18 12:40:00,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ac3e4d11/8e51a7c230af4572bf636f9aa3180182 [2019-09-18 12:40:00,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 12:40:00,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 12:40:00,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 12:40:00,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 12:40:00,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 12:40:00,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:00,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2a17dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00, skipping insertion in model container [2019-09-18 12:40:00,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:00,357 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 12:40:00,416 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 12:40:00,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:40:00,878 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 12:40:00,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 12:40:00,995 INFO L192 MainTranslator]: Completed translation [2019-09-18 12:40:00,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00 WrapperNode [2019-09-18 12:40:00,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 12:40:00,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 12:40:00,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 12:40:00,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 12:40:01,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:01,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:01,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:01,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:01,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:01,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:01,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (1/1) ... [2019-09-18 12:40:01,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 12:40:01,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 12:40:01,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 12:40:01,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 12:40:01,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:40:00" (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 [2019-09-18 12:40:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 12:40:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 12:40:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 12:40:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 12:40:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 12:40:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 12:40:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 12:40:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 12:40:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 12:40:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 12:40:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 12:40:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 12:40:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 12:40:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 12:40:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 12:40:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 12:40:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:40:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 12:40:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 12:40:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 12:40:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 12:40:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 12:40:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 12:40:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 12:40:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 12:40:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 12:40:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 12:40:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 12:40:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 12:40:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 12:40:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 12:40:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 12:40:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 12:40:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 12:40:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 12:40:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 12:40:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 12:40:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 12:40:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 12:40:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 12:40:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 12:40:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 12:40:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 12:40:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 12:40:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 12:40:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 12:40:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 12:40:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 12:40:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 12:40:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 12:40:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 12:40:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 12:40:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 12:40:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 12:40:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 12:40:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 12:40:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 12:40:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 12:40:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 12:40:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 12:40:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 12:40:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 12:40:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 12:40:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 12:40:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 12:40:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 12:40:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 12:40:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 12:40:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 12:40:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 12:40:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 12:40:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 12:40:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 12:40:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 12:40:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 12:40:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 12:40:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 12:40:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 12:40:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 12:40:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 12:40:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 12:40:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 12:40:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 12:40:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 12:40:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 12:40:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 12:40:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 12:40:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 12:40:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 12:40:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 12:40:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 12:40:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 12:40:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 12:40:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 12:40:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 12:40:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 12:40:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 12:40:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 12:40:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 12:40:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 12:40:02,619 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 12:40:02,619 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 12:40:02,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:40:02 BoogieIcfgContainer [2019-09-18 12:40:02,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 12:40:02,621 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 12:40:02,622 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 12:40:02,622 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 12:40:02,623 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:40:02" (1/1) ... [2019-09-18 12:40:02,624 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 12:40:02,652 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 12:40:02,652 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 12:40:02,670 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 12:40:02,681 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 12:40:02,682 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 12:40:03,343 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-18 12:40:03,565 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-18 12:40:03,882 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2019-09-18 12:40:04,170 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-18 12:40:04,602 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-18 12:40:04,995 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-18 12:40:05,600 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 148 [2019-09-18 12:40:06,103 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 143 [2019-09-18 12:40:06,907 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2019-09-18 12:40:07,539 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 152 [2019-09-18 12:40:08,583 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 166 [2019-09-18 12:40:09,210 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 161 [2019-09-18 12:40:09,476 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 12:40:10,476 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 174 [2019-09-18 12:40:11,322 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 171 [2019-09-18 12:40:11,598 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 12:40:12,465 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 184 [2019-09-18 12:40:13,337 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 181 [2019-09-18 12:40:13,761 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 12:40:15,326 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 316 DAG size of output: 194 [2019-09-18 12:40:16,253 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 191 [2019-09-18 12:40:16,804 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-09-18 12:40:18,699 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 354 DAG size of output: 204 [2019-09-18 12:40:19,847 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 203 [2019-09-18 12:40:20,583 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-09-18 12:40:22,721 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 408 DAG size of output: 216 [2019-09-18 12:40:22,961 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 12:40:23,998 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 263 DAG size of output: 215 [2019-09-18 12:40:24,886 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-09-18 12:40:27,543 WARN L191 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 465 DAG size of output: 229 [2019-09-18 12:40:28,873 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 271 DAG size of output: 224 [2019-09-18 12:40:30,071 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-09-18 12:40:33,438 WARN L191 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 500 DAG size of output: 237 [2019-09-18 12:40:33,753 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:40:35,050 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 295 DAG size of output: 238 [2019-09-18 12:40:36,436 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-09-18 12:40:40,283 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 538 DAG size of output: 251 [2019-09-18 12:40:40,586 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:40:42,053 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2019-09-18 12:40:43,767 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 12:40:48,415 WARN L191 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 575 DAG size of output: 265 [2019-09-18 12:40:48,687 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 12:40:50,260 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 308 DAG size of output: 262 [2019-09-18 12:40:52,390 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 499 [2019-09-18 12:40:58,293 WARN L191 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 701 DAG size of output: 279 [2019-09-18 12:40:58,585 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 12:41:00,318 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 324 DAG size of output: 276 [2019-09-18 12:41:02,924 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 565 [2019-09-18 12:41:09,731 WARN L191 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 729 DAG size of output: 289 [2019-09-18 12:41:10,060 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 12:41:11,943 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 348 DAG size of output: 286 [2019-09-18 12:41:15,034 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 623 [2019-09-18 12:41:23,358 WARN L191 SmtUtils]: Spent 8.31 s on a formula simplification. DAG size of input: 843 DAG size of output: 307 [2019-09-18 12:41:23,708 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 12:41:25,749 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 370 DAG size of output: 302 [2019-09-18 12:41:29,519 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 681 [2019-09-18 12:41:39,564 WARN L191 SmtUtils]: Spent 10.03 s on a formula simplification. DAG size of input: 858 DAG size of output: 328 [2019-09-18 12:41:39,953 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 12:41:42,314 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 389 DAG size of output: 325 [2019-09-18 12:41:46,666 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 12:41:58,701 WARN L191 SmtUtils]: Spent 12.01 s on a formula simplification. DAG size of input: 875 DAG size of output: 361 [2019-09-18 12:41:59,157 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 12:42:01,977 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 424 DAG size of output: 360 [2019-09-18 12:42:07,104 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 12:42:20,451 WARN L191 SmtUtils]: Spent 13.33 s on a formula simplification. DAG size of input: 1042 DAG size of output: 380 [2019-09-18 12:42:20,940 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 12:42:24,007 WARN L191 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 457 DAG size of output: 377 [2019-09-18 12:42:30,117 WARN L191 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 12:42:45,937 WARN L191 SmtUtils]: Spent 15.79 s on a formula simplification. DAG size of input: 1002 DAG size of output: 402 [2019-09-18 12:42:46,505 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 12:42:50,067 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 477 DAG size of output: 403 [2019-09-18 12:42:56,835 WARN L191 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 12:43:15,658 WARN L191 SmtUtils]: Spent 18.79 s on a formula simplification. DAG size of input: 1076 DAG size of output: 420 [2019-09-18 12:43:16,219 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 12:43:19,929 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 493 DAG size of output: 417 [2019-09-18 12:43:23,412 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2019-09-18 12:43:25,115 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 12:43:25,126 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 12:43:25,179 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 12:43:25,183 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 12:43:36,206 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:43:41,575 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:43:52,465 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:43:57,879 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:44:08,753 WARN L191 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:44:14,166 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:44:24,973 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 12:44:30,369 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 12:44:48,181 WARN L191 SmtUtils]: Spent 17.74 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-18 12:44:57,273 WARN L191 SmtUtils]: Spent 9.09 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:45:29,569 WARN L191 SmtUtils]: Spent 32.16 s on a formula simplification. DAG size of input: 483 DAG size of output: 483 [2019-09-18 12:45:45,460 WARN L191 SmtUtils]: Spent 15.89 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 12:46:31,766 WARN L191 SmtUtils]: Spent 46.30 s on a formula simplification. DAG size of input: 494 DAG size of output: 494 [2019-09-18 12:46:35,230 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 474 DAG size of output: 36 [2019-09-18 12:46:35,475 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:46:35,773 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:46:36,108 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-18 12:46:36,530 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-18 12:46:36,853 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-18 12:46:36,969 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-18 12:46:55,200 WARN L191 SmtUtils]: Spent 18.14 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-18 12:47:04,176 WARN L191 SmtUtils]: Spent 8.97 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:47:36,325 WARN L191 SmtUtils]: Spent 32.05 s on a formula simplification. DAG size of input: 483 DAG size of output: 483 [2019-09-18 12:47:52,261 WARN L191 SmtUtils]: Spent 15.93 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 12:48:38,496 WARN L191 SmtUtils]: Spent 46.23 s on a formula simplification. DAG size of input: 494 DAG size of output: 494 [2019-09-18 12:48:40,904 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 474 DAG size of output: 36 [2019-09-18 12:48:41,141 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:48:41,444 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:48:42,052 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-18 12:48:42,336 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-18 12:48:42,443 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-18 12:48:42,649 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-18 12:48:44,754 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-18 12:49:02,810 WARN L191 SmtUtils]: Spent 17.93 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-18 12:49:11,722 WARN L191 SmtUtils]: Spent 8.91 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:49:43,502 WARN L191 SmtUtils]: Spent 31.70 s on a formula simplification. DAG size of input: 483 DAG size of output: 483 [2019-09-18 12:49:59,371 WARN L191 SmtUtils]: Spent 15.87 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 12:50:45,342 WARN L191 SmtUtils]: Spent 45.97 s on a formula simplification. DAG size of input: 494 DAG size of output: 494 [2019-09-18 12:50:47,766 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 474 DAG size of output: 36 [2019-09-18 12:50:48,003 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:50:48,305 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:50:48,522 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-18 12:50:48,851 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-18 12:51:06,838 WARN L191 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-18 12:51:15,737 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 12:51:47,574 WARN L191 SmtUtils]: Spent 31.75 s on a formula simplification. DAG size of input: 483 DAG size of output: 483 [2019-09-18 12:52:03,418 WARN L191 SmtUtils]: Spent 15.84 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-18 12:52:49,445 WARN L191 SmtUtils]: Spent 46.02 s on a formula simplification. DAG size of input: 494 DAG size of output: 494 [2019-09-18 12:52:51,832 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 474 DAG size of output: 36 [2019-09-18 12:52:52,074 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:52:52,369 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-18 12:52:52,558 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-18 12:52:52,810 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-18 12:52:53,357 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-18 12:52:53,402 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 12:52:53,493 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-18 12:52:53,496 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-18 12:52:53,515 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 12:52:53,515 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 12:52:53,517 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 984#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 12:52:53,527 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 12:52:53,528 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 12:52:53,529 INFO L168 Benchmark]: Toolchain (without parser) took 773188.42 ms. Allocated memory was 136.3 MB in the beginning and 137.9 MB in the end (delta: 1.6 MB). Free memory was 83.3 MB in the beginning and 60.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-09-18 12:52:53,529 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 12:52:53,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.73 ms. Allocated memory was 136.3 MB in the beginning and 196.6 MB in the end (delta: 60.3 MB). Free memory was 83.1 MB in the beginning and 161.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-18 12:52:53,530 INFO L168 Benchmark]: Boogie Preprocessor took 110.79 ms. Allocated memory is still 196.6 MB. Free memory was 161.6 MB in the beginning and 157.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-18 12:52:53,530 INFO L168 Benchmark]: RCFGBuilder took 1513.10 ms. Allocated memory was 196.6 MB in the beginning and 213.9 MB in the end (delta: 17.3 MB). Free memory was 156.9 MB in the beginning and 166.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. [2019-09-18 12:52:53,531 INFO L168 Benchmark]: Sifa took 770906.36 ms. Allocated memory was 213.9 MB in the beginning and 137.9 MB in the end (delta: -76.0 MB). Free memory was 166.5 MB in the beginning and 60.7 MB in the end (delta: 105.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-09-18 12:52:53,532 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.73 ms. Allocated memory was 136.3 MB in the beginning and 196.6 MB in the end (delta: 60.3 MB). Free memory was 83.1 MB in the beginning and 161.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.79 ms. Allocated memory is still 196.6 MB. Free memory was 161.6 MB in the beginning and 157.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1513.10 ms. Allocated memory was 196.6 MB in the beginning and 213.9 MB in the end (delta: 17.3 MB). Free memory was 156.9 MB in the beginning and 166.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 96.8 MB. Max. memory is 7.1 GB. * Sifa took 770906.36 ms. Allocated memory was 213.9 MB in the beginning and 137.9 MB in the end (delta: -76.0 MB). Free memory was 166.5 MB in the beginning and 60.7 MB in the end (delta: 105.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 770865, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 631, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 503, TOOLS_POST_TIME[ms]: 197304, TOOLS_POST_CALL_APPLICATIONS: 102, TOOLS_POST_CALL_TIME[ms]: 230, TOOLS_POST_RETURN_APPLICATIONS: 93, TOOLS_POST_RETURN_TIME[ms]: 139, TOOLS_QUANTIFIERELIM_APPLICATIONS: 697, TOOLS_QUANTIFIERELIM_TIME[ms]: 197472, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29860, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 643, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 117, DOMAIN_JOIN_TIME[ms]: 563503, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 8971, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 70, DOMAIN_ISBOTTOM_TIME[ms]: 464, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 391044, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 391044, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 93, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 203553, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 203552, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 895, DAG_COMPRESSION_RETAINED_NODES: 510 - UnprovableResult [Line: 651]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 984#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...