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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:37:10,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:37:10,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:37:10,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:37:10,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:37:10,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:37:10,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:37:10,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:37:10,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:37:10,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:37:10,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:37:10,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:37:10,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:37:10,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:37:10,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:37:10,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:37:10,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:37:10,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:37:10,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:37:10,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:37:10,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:37:10,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:37:10,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:37:10,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:37:10,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:37:10,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:37:10,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:37:10,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:37:10,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:37:10,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:37:10,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:37:10,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:37:10,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:37:10,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:37:10,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:37:10,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:37:10,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:37:10,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:37:10,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:37:10,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:37:10,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:37:10,438 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 [2019-09-21 08:37:10,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:37:10,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:37:10,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:37:10,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:37:10,462 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:37:10,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:37:10,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:37:10,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:37:10,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:37:10,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:37:10,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:37:10,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:37:10,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:37:10,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:37:10,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:37:10,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:37:10,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:37:10,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:37:10,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:37:10,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:37:10,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:37:10,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:37:10,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:37:10,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:37:10,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:37:10,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:37:10,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:37:10,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:37:10,466 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 -> 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:37:10,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:37:10,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:37:10,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:37:10,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:37:10,540 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:37:10,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2019-09-21 08:37:10,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552a939c2/3ac0010c1b8d4639a09ff0ff8b85d6eb/FLAG9977adf91 [2019-09-21 08:37:11,152 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:37:11,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2019-09-21 08:37:11,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552a939c2/3ac0010c1b8d4639a09ff0ff8b85d6eb/FLAG9977adf91 [2019-09-21 08:37:11,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552a939c2/3ac0010c1b8d4639a09ff0ff8b85d6eb [2019-09-21 08:37:11,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:37:11,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:37:11,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:11,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:37:11,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:37:11,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:11" (1/1) ... [2019-09-21 08:37:11,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:11, skipping insertion in model container [2019-09-21 08:37:11,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:11" (1/1) ... [2019-09-21 08:37:11,482 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:37:11,546 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:37:12,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:12,042 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:37:12,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:12,201 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:37:12,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12 WrapperNode [2019-09-21 08:37:12,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:12,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:37:12,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:37:12,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:37:12,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (1/1) ... [2019-09-21 08:37:12,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (1/1) ... [2019-09-21 08:37:12,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (1/1) ... [2019-09-21 08:37:12,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (1/1) ... [2019-09-21 08:37:12,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (1/1) ... [2019-09-21 08:37:12,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (1/1) ... [2019-09-21 08:37:12,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (1/1) ... [2019-09-21 08:37:12,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:37:12,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:37:12,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:37:12,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:37:12,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:12" (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 [2019-09-21 08:37:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:37:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:37:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:37:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:37:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:37:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:37:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:37:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:37:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:37:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:37:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:37:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:37:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:37:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:37:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:37:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:37:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:37:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:37:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:37:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:37:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:37:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:37:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:37:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:37:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:37:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:37:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:37:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:37:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:37:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:37:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:37:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:37:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:37:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:37:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:37:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:37:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:37:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:37:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:37:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:37:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:37:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:37:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:37:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:37:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:37:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:37:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:37:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:37:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:37:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:37:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:37:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:37:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:37:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:37:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:37:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:37:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:37:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:37:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:37:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:37:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:37:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:37:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:37:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:37:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:37:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:37:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:37:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:37:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:37:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:37:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:37:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:37:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:37:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:37:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:37:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-21 08:37:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:37:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:37:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:37:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:37:14,076 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:37:14,077 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:37:14,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:14 BoogieIcfgContainer [2019-09-21 08:37:14,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:37:14,079 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:37:14,079 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:37:14,080 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:37:14,081 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:14" (1/1) ... [2019-09-21 08:37:14,082 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:37:14,108 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:37:14,109 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:37:14,122 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:37:14,136 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:37:14,138 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:37:24,378 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:37:26,389 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:37:26,548 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:26,691 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:26,817 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:26,834 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-21 08:37:26,882 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-21 08:37:26,898 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-21 08:37:27,417 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:27,769 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:28,181 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:28,503 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:29,027 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:29,439 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:30,112 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-21 08:37:30,401 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-21 08:37:30,675 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 513 [2019-09-21 08:37:30,898 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:31,213 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:31,572 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:31,898 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-21 08:37:32,215 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:32,909 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:37:33,453 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:33,760 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:34,150 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-21 08:37:34,339 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-21 08:37:34,586 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 513 [2019-09-21 08:37:34,771 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:35,067 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:35,377 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:35,691 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-21 08:37:35,988 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:36,621 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:37:36,834 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-21 08:37:36,866 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-21 08:37:36,880 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-21 08:37:36,883 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:37:36,884 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:37:36,885 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:37:36,887 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 454#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:37:36,901 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:37:36,901 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:37:36,903 INFO L168 Benchmark]: Toolchain (without parser) took 25437.53 ms. Allocated memory was 134.7 MB in the beginning and 797.4 MB in the end (delta: 662.7 MB). Free memory was 85.8 MB in the beginning and 405.9 MB in the end (delta: -320.1 MB). Peak memory consumption was 342.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:36,904 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 134.7 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-21 08:37:36,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.12 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 85.6 MB in the beginning and 164.6 MB in the end (delta: -79.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:36,905 INFO L168 Benchmark]: Boogie Preprocessor took 89.05 ms. Allocated memory is still 198.7 MB. Free memory was 164.6 MB in the beginning and 160.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:36,906 INFO L168 Benchmark]: RCFGBuilder took 1786.57 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 160.1 MB in the beginning and 141.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:36,907 INFO L168 Benchmark]: Sifa took 22821.90 ms. Allocated memory was 221.8 MB in the beginning and 797.4 MB in the end (delta: 575.7 MB). Free memory was 141.5 MB in the beginning and 405.9 MB in the end (delta: -264.4 MB). Peak memory consumption was 311.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:36,911 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 134.7 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.12 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 85.6 MB in the beginning and 164.6 MB in the end (delta: -79.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.05 ms. Allocated memory is still 198.7 MB. Free memory was 164.6 MB in the beginning and 160.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1786.57 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 160.1 MB in the beginning and 141.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Sifa took 22821.90 ms. Allocated memory was 221.8 MB in the beginning and 797.4 MB in the end (delta: 575.7 MB). Free memory was 141.5 MB in the beginning and 405.9 MB in the end (delta: -264.4 MB). Peak memory consumption was 311.3 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]: 22778, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 226, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 146, TOOLS_POST_TIME[ms]: 12433, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 226, TOOLS_POST_RETURN_APPLICATIONS: 61, TOOLS_POST_RETURN_TIME[ms]: 117, TOOLS_QUANTIFIERELIM_APPLICATIONS: 277, TOOLS_QUANTIFIERELIM_TIME[ms]: 12657, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12323, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 233, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 8346, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1302, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 152, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6444, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6443, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 61, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12811, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12810, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 391, DAG_COMPRESSION_RETAINED_NODES: 208 - UnprovableResult [Line: 202]: 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 454#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...