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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:20:33,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:20:33,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:20:33,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:20:33,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:20:33,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:20:33,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:20:33,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:20:33,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:20:33,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:20:33,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:20:33,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:20:33,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:20:33,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:20:33,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:20:33,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:20:33,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:20:33,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:20:33,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:20:33,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:20:33,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:20:33,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:20:33,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:20:33,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:20:33,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:20:33,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:20:33,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:20:33,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:20:33,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:20:33,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:20:33,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:20:33,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:20:33,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:20:33,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:20:33,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:20:33,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:20:33,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:20:33,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:20:33,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:20:33,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:20:33,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:20:33,517 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 [2019-09-19 17:20:33,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:20:33,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:20:33,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:20:33,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:20:33,542 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:20:33,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:20:33,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:20:33,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:20:33,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:20:33,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:20:33,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:20:33,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:20:33,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:20:33,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:20:33,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:20:33,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:20:33,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:20:33,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:20:33,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:20:33,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:20:33,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:20:33,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:20:33,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:20:33,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:20:33,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:20:33,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:20:33,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:20:33,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:20:33,547 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:20:33,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:20:33,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:20:33,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:20:33,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:20:33,597 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:20:33,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-09-19 17:20:33,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c763103/f85b9e1d322a4c6b95d526dc3210cffb/FLAGc763f2a74 [2019-09-19 17:20:34,147 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:20:34,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2019-09-19 17:20:34,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c763103/f85b9e1d322a4c6b95d526dc3210cffb/FLAGc763f2a74 [2019-09-19 17:20:34,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c763103/f85b9e1d322a4c6b95d526dc3210cffb [2019-09-19 17:20:34,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:20:34,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:20:34,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:20:34,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:20:34,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:20:34,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:20:34" (1/1) ... [2019-09-19 17:20:34,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba358fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:34, skipping insertion in model container [2019-09-19 17:20:34,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:20:34" (1/1) ... [2019-09-19 17:20:34,556 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:20:34,624 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:20:35,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:20:35,052 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:20:35,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:20:35,211 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:20:35,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35 WrapperNode [2019-09-19 17:20:35,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:20:35,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:20:35,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:20:35,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:20:35,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (1/1) ... [2019-09-19 17:20:35,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (1/1) ... [2019-09-19 17:20:35,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (1/1) ... [2019-09-19 17:20:35,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (1/1) ... [2019-09-19 17:20:35,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (1/1) ... [2019-09-19 17:20:35,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (1/1) ... [2019-09-19 17:20:35,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (1/1) ... [2019-09-19 17:20:35,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:20:35,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:20:35,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:20:35,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:20:35,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:20:35" (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 [2019-09-19 17:20:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:20:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:20:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:20:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 17:20:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 17:20:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:20:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:20:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:20:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:20:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:20:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:20:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:20:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:20:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:20:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:20:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:20:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:20:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:20:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:20:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:20:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:20:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:20:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:20:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:20:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:20:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:20:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:20:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:20:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:20:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:20:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:20:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:20:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:20:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:20:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:20:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:20:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:20:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:20:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 17:20:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:20:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:20:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:20:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:20:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:20:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:20:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:20:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 17:20:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 17:20:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:20:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:20:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:20:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:20:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:20:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:20:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:20:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:20:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:20:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:20:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:20:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:20:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:20:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:20:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:20:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:20:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:20:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:20:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:20:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:20:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:20:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:20:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:20:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:20:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:20:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:20:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:20:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:20:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:20:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:20:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:20:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:20:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:20:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:20:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:20:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:20:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 17:20:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:20:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:20:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:20:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:20:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:20:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:20:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:20:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:20:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:20:36,951 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:20:36,951 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:20:36,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:20:36 BoogieIcfgContainer [2019-09-19 17:20:36,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:20:36,953 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:20:36,953 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:20:36,953 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:20:36,955 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:20:36" (1/1) ... [2019-09-19 17:20:36,955 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:20:36,982 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:20:36,982 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:20:36,991 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:20:36,999 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:20:37,000 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:21:02,356 WARN L191 SmtUtils]: Spent 15.33 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 17:21:04,143 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:21:08,102 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 17:21:09,992 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:21:11,865 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:21:11,892 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-19 17:21:11,931 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-19 17:21:11,941 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-19 17:21:13,815 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 17:21:13,903 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 17:21:13,919 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-19 17:21:13,928 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:21:13,931 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:21:13,932 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:21:13,934 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1568#true [2019-09-19 17:21:13,949 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:21:13,950 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:21:13,952 INFO L168 Benchmark]: Toolchain (without parser) took 39411.15 ms. Allocated memory was 131.1 MB in the beginning and 464.5 MB in the end (delta: 333.4 MB). Free memory was 86.4 MB in the beginning and 239.2 MB in the end (delta: -152.8 MB). Peak memory consumption was 180.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:21:13,953 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.5 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. [2019-09-19 17:21:13,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.48 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 163.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:21:13,955 INFO L168 Benchmark]: Boogie Preprocessor took 119.14 ms. Allocated memory is still 198.7 MB. Free memory was 163.9 MB in the beginning and 159.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:21:13,956 INFO L168 Benchmark]: RCFGBuilder took 1621.35 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.9 MB in the beginning and 146.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:21:13,956 INFO L168 Benchmark]: Sifa took 36996.85 ms. Allocated memory was 219.2 MB in the beginning and 464.5 MB in the end (delta: 245.4 MB). Free memory was 146.8 MB in the beginning and 239.2 MB in the end (delta: -92.5 MB). Peak memory consumption was 152.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:21:13,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.5 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 670.48 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.2 MB in the beginning and 163.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.14 ms. Allocated memory is still 198.7 MB. Free memory was 163.9 MB in the beginning and 159.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1621.35 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.9 MB in the beginning and 146.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. * Sifa took 36996.85 ms. Allocated memory was 219.2 MB in the beginning and 464.5 MB in the end (delta: 245.4 MB). Free memory was 146.8 MB in the beginning and 239.2 MB in the end (delta: -92.5 MB). Peak memory consumption was 152.9 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]: 36952, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 496, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 330, TOOLS_POST_TIME[ms]: 31105, TOOLS_POST_CALL_APPLICATIONS: 131, TOOLS_POST_CALL_TIME[ms]: 73, TOOLS_POST_RETURN_APPLICATIONS: 122, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 583, TOOLS_QUANTIFIERELIM_TIME[ms]: 31138, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31034, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 513, FLUID_YES_ANSWERS: 513, DOMAIN_JOIN_APPLICATIONS: 152, DOMAIN_JOIN_TIME[ms]: 4836, DOMAIN_ALPHA_APPLICATIONS: 513, DOMAIN_ALPHA_TIME[ms]: 640, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 89, DOMAIN_ISBOTTOM_TIME[ms]: 80, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1408, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1407, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 122, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 35252, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35251, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 655, DAG_COMPRESSION_RETAINED_NODES: 334 - UnprovableResult [Line: 685]: 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 1568#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...