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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 19:34:00,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 19:34:00,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 19:34:00,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 19:34:00,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 19:34:00,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 19:34:00,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 19:34:00,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 19:34:00,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 19:34:00,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 19:34:00,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 19:34:00,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 19:34:00,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 19:34:00,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 19:34:00,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 19:34:00,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 19:34:00,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 19:34:00,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 19:34:00,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 19:34:00,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 19:34:00,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 19:34:00,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 19:34:00,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 19:34:00,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 19:34:00,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 19:34:00,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 19:34:00,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 19:34:00,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 19:34:00,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 19:34:00,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 19:34:00,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 19:34:00,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 19:34:00,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 19:34:00,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 19:34:00,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 19:34:00,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 19:34:00,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 19:34:00,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 19:34:00,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 19:34:00,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 19:34:00,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 19:34:00,479 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 [2019-09-16 19:34:00,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 19:34:00,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 19:34:00,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 19:34:00,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 19:34:00,494 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 19:34:00,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 19:34:00,494 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 19:34:00,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 19:34:00,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 19:34:00,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 19:34:00,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 19:34:00,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 19:34:00,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 19:34:00,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 19:34:00,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 19:34:00,496 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 19:34:00,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 19:34:00,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 19:34:00,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 19:34:00,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 19:34:00,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 19:34:00,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 19:34:00,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 19:34:00,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 19:34:00,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 19:34:00,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 19:34:00,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 19:34:00,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 19:34:00,499 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_DDA [2019-09-16 19:34:00,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 19:34:00,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 19:34:00,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 19:34:00,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 19:34:00,551 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 19:34:00,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-16 19:34:00,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a5703f23/fec6da3185ef4c74b41b5478075e6f2a/FLAG0907abd49 [2019-09-16 19:34:01,115 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 19:34:01,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-16 19:34:01,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a5703f23/fec6da3185ef4c74b41b5478075e6f2a/FLAG0907abd49 [2019-09-16 19:34:01,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a5703f23/fec6da3185ef4c74b41b5478075e6f2a [2019-09-16 19:34:01,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 19:34:01,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 19:34:01,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 19:34:01,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 19:34:01,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 19:34:01,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:34:01" (1/1) ... [2019-09-16 19:34:01,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:01, skipping insertion in model container [2019-09-16 19:34:01,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 07:34:01" (1/1) ... [2019-09-16 19:34:01,465 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 19:34:01,507 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 19:34:01,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:34:01,922 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 19:34:02,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 19:34:02,112 INFO L192 MainTranslator]: Completed translation [2019-09-16 19:34:02,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02 WrapperNode [2019-09-16 19:34:02,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 19:34:02,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 19:34:02,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 19:34:02,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 19:34:02,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (1/1) ... [2019-09-16 19:34:02,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (1/1) ... [2019-09-16 19:34:02,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (1/1) ... [2019-09-16 19:34:02,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (1/1) ... [2019-09-16 19:34:02,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (1/1) ... [2019-09-16 19:34:02,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (1/1) ... [2019-09-16 19:34:02,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (1/1) ... [2019-09-16 19:34:02,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 19:34:02,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 19:34:02,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 19:34:02,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 19:34:02,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 07:34:02" (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 [2019-09-16 19:34:02,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 19:34:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 19:34:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 19:34:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 19:34:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 19:34:02,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 19:34:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 19:34:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 19:34:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 19:34:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 19:34:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 19:34:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 19:34:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 19:34:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 19:34:02,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 19:34:02,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 19:34:02,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 19:34:02,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 19:34:02,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 19:34:02,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 19:34:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 19:34:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 19:34:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 19:34:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 19:34:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 19:34:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 19:34:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 19:34:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 19:34:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-16 19:34:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 19:34:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 19:34:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 19:34:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 19:34:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 19:34:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 19:34:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 19:34:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:34:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 19:34:02,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 19:34:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 19:34:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 19:34:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 19:34:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 19:34:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 19:34:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 19:34:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 19:34:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 19:34:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 19:34:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 19:34:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 19:34:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 19:34:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 19:34:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 19:34:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 19:34:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 19:34:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 19:34:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 19:34:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 19:34:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 19:34:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 19:34:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 19:34:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 19:34:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 19:34:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 19:34:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 19:34:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 19:34:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 19:34:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 19:34:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 19:34:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 19:34:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 19:34:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 19:34:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 19:34:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 19:34:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 19:34:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 19:34:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 19:34:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 19:34:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 19:34:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-16 19:34:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 19:34:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 19:34:02,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 19:34:03,731 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 19:34:03,732 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 19:34:03,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:34:03 BoogieIcfgContainer [2019-09-16 19:34:03,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 19:34:03,735 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 19:34:03,735 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 19:34:03,735 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 19:34:03,736 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 07:34:03" (1/1) ... [2019-09-16 19:34:03,737 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 19:34:03,769 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 19:34:03,770 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 19:34:03,780 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 19:34:03,790 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 19:34:03,791 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 19:34:27,343 WARN L191 SmtUtils]: Spent 13.85 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-16 19:34:29,092 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-16 19:34:32,911 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-16 19:34:34,770 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:34:36,594 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-16 19:34:36,610 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-16 19:34:36,657 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-16 19:34:36,663 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-16 19:34:47,714 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:34:53,145 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:35:03,818 WARN L191 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:35:09,159 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:35:19,769 WARN L191 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:35:25,076 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:35:35,732 WARN L191 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-16 19:35:41,073 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-16 19:35:58,772 WARN L191 SmtUtils]: Spent 17.64 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-16 19:36:07,560 WARN L191 SmtUtils]: Spent 8.79 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 19:36:38,826 WARN L191 SmtUtils]: Spent 31.18 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-16 19:36:54,393 WARN L191 SmtUtils]: Spent 15.57 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-16 19:37:12,046 WARN L191 SmtUtils]: Spent 17.61 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-16 19:37:20,842 WARN L191 SmtUtils]: Spent 8.79 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 19:37:43,397 WARN L191 SmtUtils]: Spent 22.51 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-16 19:37:44,205 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-16 19:37:44,462 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-09-16 19:37:44,836 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-16 19:37:44,978 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 19:37:45,295 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-16 19:37:45,444 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 19:37:45,631 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-16 19:37:45,903 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 19:37:46,094 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 19:38:03,955 WARN L191 SmtUtils]: Spent 17.58 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-16 19:38:12,757 WARN L191 SmtUtils]: Spent 8.80 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 19:38:44,093 WARN L191 SmtUtils]: Spent 31.28 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-16 19:38:59,667 WARN L191 SmtUtils]: Spent 15.57 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-16 19:39:17,375 WARN L191 SmtUtils]: Spent 17.66 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-16 19:39:26,210 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-16 19:39:48,786 WARN L191 SmtUtils]: Spent 22.55 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-16 19:39:49,274 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-16 19:39:49,484 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-16 19:39:49,819 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-16 19:39:49,955 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:39:50,242 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-16 19:39:50,377 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-16 19:39:50,563 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-16 19:39:50,819 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-16 19:39:50,990 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-16 19:39:51,407 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-16 19:39:51,634 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-09-16 19:39:52,003 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-16 19:39:52,148 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 19:39:52,467 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-16 19:39:52,613 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 19:39:52,793 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-16 19:39:53,045 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 19:39:53,228 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 19:39:53,233 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 24 for LOIs [2019-09-16 19:39:53,904 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-16 19:39:54,003 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-16 19:39:54,089 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 11 for LOIs [2019-09-16 19:39:54,100 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 20 for LOIs [2019-09-16 19:39:54,176 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 19:39:54,176 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 19:39:54,179 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 519#(and (<= ~pumpRunning~0 2147483647) (or (= 0 ~methaneLevelCritical~0) (= 0 ~systemActive~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-16 19:39:54,197 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 19:39:54,198 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 19:39:54,208 INFO L168 Benchmark]: Toolchain (without parser) took 352749.96 ms. Allocated memory was 130.0 MB in the beginning and 136.8 MB in the end (delta: 6.8 MB). Free memory was 84.7 MB in the beginning and 52.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. [2019-09-16 19:39:54,210 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 19:39:54,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.67 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.5 MB in the beginning and 160.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-16 19:39:54,214 INFO L168 Benchmark]: Boogie Preprocessor took 122.65 ms. Allocated memory is still 197.7 MB. Free memory was 160.0 MB in the beginning and 155.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-16 19:39:54,215 INFO L168 Benchmark]: RCFGBuilder took 1497.40 ms. Allocated memory was 197.7 MB in the beginning and 215.5 MB in the end (delta: 17.8 MB). Free memory was 155.9 MB in the beginning and 145.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. [2019-09-16 19:39:54,218 INFO L168 Benchmark]: Sifa took 350463.46 ms. Allocated memory was 215.5 MB in the beginning and 136.8 MB in the end (delta: -78.6 MB). Free memory was 145.3 MB in the beginning and 52.4 MB in the end (delta: 92.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-16 19:39:54,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.67 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.5 MB in the beginning and 160.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.65 ms. Allocated memory is still 197.7 MB. Free memory was 160.0 MB in the beginning and 155.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1497.40 ms. Allocated memory was 197.7 MB in the beginning and 215.5 MB in the end (delta: 17.8 MB). Free memory was 155.9 MB in the beginning and 145.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. * Sifa took 350463.46 ms. Allocated memory was 215.5 MB in the beginning and 136.8 MB in the end (delta: -78.6 MB). Free memory was 145.3 MB in the beginning and 52.4 MB in the end (delta: 92.9 MB). Peak memory consumption was 14.3 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]: 350410, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 253, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 166, TOOLS_POST_TIME[ms]: 29148, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 176, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 107, TOOLS_QUANTIFIERELIM_APPLICATIONS: 299, TOOLS_QUANTIFIERELIM_TIME[ms]: 29327, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29039, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 260, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 320137, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 359, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 328, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7841, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7840, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33205, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33204, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 428, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 633]: 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 519#(and (<= ~pumpRunning~0 2147483647) (or (= 0 ~methaneLevelCritical~0) (= 0 ~systemActive~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...