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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:37:06,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:37:06,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:37:06,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:37:06,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:37:06,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:37:06,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:37:06,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:37:06,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:37:06,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:37:06,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:37:06,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:37:06,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:37:06,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:37:06,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:37:06,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:37:06,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:37:06,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:37:06,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:37:06,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:37:06,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:37:06,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:37:06,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:37:06,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:37:06,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:37:06,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:37:06,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:37:06,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:37:06,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:37:06,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:37:06,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:37:06,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:37:06,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:37:06,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:37:06,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:37:06,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:37:06,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:37:06,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:37:06,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:37:06,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:37:06,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:37:06,446 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 08:37:06,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:37:06,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:37:06,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:37:06,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:37:06,491 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:37:06,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:37:06,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:37:06,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:37:06,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:37:06,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:37:06,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:37:06,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:37:06,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:37:06,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:37:06,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:37:06,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:37:06,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:37:06,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:37:06,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:37:06,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:37:06,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:37:06,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:37:06,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:37:06,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:37:06,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:37:06,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:37:06,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:37:06,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:37:06,498 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 08:37:06,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:37:06,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:37:06,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:37:06,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:37:06,578 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:37:06,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-21 08:37:06,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc9e42c8/765c1b762b934e52b989a43fd2c65016/FLAG231c2905e [2019-09-21 08:37:07,130 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:37:07,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-09-21 08:37:07,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc9e42c8/765c1b762b934e52b989a43fd2c65016/FLAG231c2905e [2019-09-21 08:37:07,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fc9e42c8/765c1b762b934e52b989a43fd2c65016 [2019-09-21 08:37:07,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:37:07,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:37:07,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:07,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:37:07,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:37:07,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:07" (1/1) ... [2019-09-21 08:37:07,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741914c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:07, skipping insertion in model container [2019-09-21 08:37:07,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:37:07" (1/1) ... [2019-09-21 08:37:07,545 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:37:07,601 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:37:08,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:08,168 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:37:08,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:37:08,313 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:37:08,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08 WrapperNode [2019-09-21 08:37:08,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:37:08,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:37:08,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:37:08,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:37:08,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (1/1) ... [2019-09-21 08:37:08,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (1/1) ... [2019-09-21 08:37:08,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (1/1) ... [2019-09-21 08:37:08,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (1/1) ... [2019-09-21 08:37:08,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (1/1) ... [2019-09-21 08:37:08,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (1/1) ... [2019-09-21 08:37:08,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (1/1) ... [2019-09-21 08:37:08,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:37:08,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:37:08,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:37:08,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:37:08,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:37:08" (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 08:37:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:37:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:37:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:37:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:37:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:37:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:37:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:37:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:37:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:37:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:37:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:37:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:37:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:37:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:37:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:37:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:37:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:37:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:37:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:37:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:37:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:37:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 08:37:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:37:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 08:37:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:37:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:37:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:37:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:37:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:37:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:37:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 08:37:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:37:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:37:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:37:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:37:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:37:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:37:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:37:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:37:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:37:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:37:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:37:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 08:37:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:37:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:37:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:37:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:37:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:37:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:37:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:37:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:37:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:37:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:37:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:37:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:37:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:37:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:37:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:37:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:37:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:37:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:37:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:37:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:37:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:37:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:37:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:37:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:37:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:37:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:37:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:37:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 08:37:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 08:37:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:37:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:37:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:37:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 08:37:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:37:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:37:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:37:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 08:37:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 08:37:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:37:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:37:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:37:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:37:10,051 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:37:10,052 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:37:10,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:10 BoogieIcfgContainer [2019-09-21 08:37:10,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:37:10,055 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:37:10,056 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:37:10,056 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:37:10,058 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:37:10" (1/1) ... [2019-09-21 08:37:10,058 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 08:37:10,090 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:37:10,094 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:37:10,108 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:37:10,121 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:37:10,122 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:37:20,613 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 08:37:22,427 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:37:22,593 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:22,742 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:22,871 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 08:37:22,895 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-21 08:37:22,954 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-21 08:37:22,970 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-21 08:37:23,167 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-21 08:37:23,317 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-21 08:37:23,713 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:24,014 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:24,269 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:24,517 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-21 08:37:24,986 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:25,341 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:25,881 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-21 08:37:26,189 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-21 08:37:26,613 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-21 08:37:26,970 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:27,337 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 527 [2019-09-21 08:37:27,651 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-21 08:37:28,227 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 541 [2019-09-21 08:37:28,779 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-21 08:37:29,250 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 522 [2019-09-21 08:37:29,540 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-09-21 08:37:30,039 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 526 [2019-09-21 08:37:30,415 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-21 08:37:30,784 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:37:31,125 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 08:37:31,727 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 486 [2019-09-21 08:37:31,876 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-21 08:37:32,028 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-21 08:37:32,190 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-21 08:37:32,897 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:33,283 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-09-21 08:37:33,651 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2019-09-21 08:37:33,847 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 517 [2019-09-21 08:37:34,185 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 523 [2019-09-21 08:37:34,471 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-21 08:37:34,776 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:37:35,064 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:37:35,617 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-21 08:37:36,103 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-09-21 08:37:36,490 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 525 [2019-09-21 08:37:36,782 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2019-09-21 08:37:37,219 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 532 [2019-09-21 08:37:37,597 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-21 08:37:38,030 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 534 [2019-09-21 08:37:38,393 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 08:37:38,430 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 08:37:38,433 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 499 for LOIs [2019-09-21 08:37:38,715 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 494 [2019-09-21 08:37:39,014 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 506 [2019-09-21 08:37:39,219 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-21 08:37:39,472 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 507 [2019-09-21 08:37:39,476 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-21 08:37:39,479 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-21 08:37:39,481 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:37:39,481 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:37:39,483 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 360#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:37:39,493 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:37:39,493 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:37:39,495 INFO L168 Benchmark]: Toolchain (without parser) took 31969.47 ms. Allocated memory was 139.5 MB in the beginning and 866.1 MB in the end (delta: 726.7 MB). Free memory was 86.2 MB in the beginning and 820.9 MB in the end (delta: -734.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:37:39,496 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:37:39,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.20 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.0 MB in the beginning and 164.3 MB in the end (delta: -78.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:39,497 INFO L168 Benchmark]: Boogie Preprocessor took 100.58 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:39,498 INFO L168 Benchmark]: RCFGBuilder took 1639.75 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 160.0 MB in the beginning and 141.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:37:39,499 INFO L168 Benchmark]: Sifa took 29437.89 ms. Allocated memory was 222.8 MB in the beginning and 866.1 MB in the end (delta: 643.3 MB). Free memory was 141.6 MB in the beginning and 820.9 MB in the end (delta: -679.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:37:39,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.20 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.0 MB in the beginning and 164.3 MB in the end (delta: -78.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.58 ms. Allocated memory is still 198.7 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1639.75 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 160.0 MB in the beginning and 141.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 29437.89 ms. Allocated memory was 222.8 MB in the beginning and 866.1 MB in the end (delta: 643.3 MB). Free memory was 141.6 MB in the beginning and 820.9 MB in the end (delta: -679.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 29393, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 123, TOOLS_POST_TIME[ms]: 12641, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 431, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 219, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 13139, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12403, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 186, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 13499, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 2135, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 54, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 247, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10900, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10899, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12847, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12846, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 359, DAG_COMPRESSION_RETAINED_NODES: 185 - UnprovableResult [Line: 516]: 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 360#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~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...