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_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:23:36,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:23:36,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:23:36,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:23:36,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:23:36,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:23:36,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:23:36,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:23:36,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:23:36,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:23:36,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:23:36,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:23:36,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:23:36,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:23:36,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:23:36,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:23:36,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:23:36,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:23:36,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:23:36,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:23:36,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:23:36,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:23:36,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:23:36,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:23:36,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:23:36,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:23:36,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:23:36,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:23:36,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:23:36,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:23:36,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:23:36,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:23:36,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:23:36,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:23:36,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:23:36,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:23:36,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:23:36,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:23:36,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:23:36,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:23:36,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:23:36,542 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 17:23:36,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:23:36,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:23:36,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:23:36,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:23:36,566 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:23:36,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:23:36,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:23:36,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:23:36,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:23:36,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:23:36,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:23:36,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:23:36,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:23:36,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:23:36,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:23:36,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:23:36,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:23:36,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:23:36,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:23:36,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:23:36,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:23:36,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:23:36,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:23:36,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:23:36,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:23:36,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:23:36,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:23:36,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:23:36,572 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 17:23:36,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:23:36,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:23:36,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:23:36,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:23:36,639 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:23:36,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-19 17:23:36,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c04e43ae/b175bd9c77b948d7a5e82d8eac8a5791/FLAGc3dbad7ea [2019-09-19 17:23:37,138 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:23:37,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-19 17:23:37,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c04e43ae/b175bd9c77b948d7a5e82d8eac8a5791/FLAGc3dbad7ea [2019-09-19 17:23:37,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c04e43ae/b175bd9c77b948d7a5e82d8eac8a5791 [2019-09-19 17:23:37,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:23:37,521 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:23:37,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:37,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:23:37,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:23:37,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:37" (1/1) ... [2019-09-19 17:23:37,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234bd41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:37, skipping insertion in model container [2019-09-19 17:23:37,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:37" (1/1) ... [2019-09-19 17:23:37,537 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:23:37,591 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:23:37,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:37,989 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:23:38,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:38,111 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:23:38,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38 WrapperNode [2019-09-19 17:23:38,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:38,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:23:38,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:23:38,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:23:38,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (1/1) ... [2019-09-19 17:23:38,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (1/1) ... [2019-09-19 17:23:38,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (1/1) ... [2019-09-19 17:23:38,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (1/1) ... [2019-09-19 17:23:38,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (1/1) ... [2019-09-19 17:23:38,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (1/1) ... [2019-09-19 17:23:38,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (1/1) ... [2019-09-19 17:23:38,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:23:38,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:23:38,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:23:38,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:23:38,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:38" (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 17:23:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:23:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:23:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:23:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:23:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:23:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:23:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:23:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:23:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:23:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:23:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:23:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:23:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:23:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:23:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:23:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:23:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:23:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:23:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:23:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:23:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:23:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:23:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:23:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:23:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:23:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:23:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:23:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:23:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:23:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:23:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:23:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:23:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:23:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:23:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:23:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:23:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:23:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:23:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:23:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:23:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:23:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:23:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:23:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:23:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:23:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:23:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:23:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:23:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:23:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:23:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:23:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:23:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:23:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:23:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:23:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:23:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:23:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:23:39,671 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:23:39,671 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:23:39,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:39 BoogieIcfgContainer [2019-09-19 17:23:39,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:23:39,673 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:23:39,674 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:23:39,674 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:23:39,675 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:39" (1/1) ... [2019-09-19 17:23:39,676 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 17:23:39,707 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:23:39,707 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:23:39,720 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:23:39,732 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:23:39,734 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:23:59,662 WARN L191 SmtUtils]: Spent 11.49 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:24:01,350 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:24:05,089 WARN L191 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:24:06,839 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:08,527 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:24:08,546 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-19 17:24:08,577 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 10 for LOIs [2019-09-19 17:24:08,579 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 10 for LOIs [2019-09-19 17:24:08,898 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-19 17:24:08,971 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 17:24:08,987 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 17:24:08,995 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:24:08,997 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:24:08,997 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:24:08,999 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 513#true [2019-09-19 17:24:09,010 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:24:09,011 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:24:09,012 INFO L168 Benchmark]: Toolchain (without parser) took 31491.00 ms. Allocated memory was 138.4 MB in the beginning and 454.6 MB in the end (delta: 316.1 MB). Free memory was 84.9 MB in the beginning and 114.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 286.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:09,013 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:24:09,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.36 ms. Allocated memory was 138.4 MB in the beginning and 196.6 MB in the end (delta: 58.2 MB). Free memory was 84.9 MB in the beginning and 161.0 MB in the end (delta: -76.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:09,015 INFO L168 Benchmark]: Boogie Preprocessor took 79.20 ms. Allocated memory is still 196.6 MB. Free memory was 161.0 MB in the beginning and 156.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:09,016 INFO L168 Benchmark]: RCFGBuilder took 1480.88 ms. Allocated memory was 196.6 MB in the beginning and 218.6 MB in the end (delta: 22.0 MB). Free memory was 156.4 MB in the beginning and 146.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:09,017 INFO L168 Benchmark]: Sifa took 29337.18 ms. Allocated memory was 218.6 MB in the beginning and 454.6 MB in the end (delta: 235.9 MB). Free memory was 146.1 MB in the beginning and 114.5 MB in the end (delta: 31.6 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:24:09,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 590.36 ms. Allocated memory was 138.4 MB in the beginning and 196.6 MB in the end (delta: 58.2 MB). Free memory was 84.9 MB in the beginning and 161.0 MB in the end (delta: -76.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.20 ms. Allocated memory is still 196.6 MB. Free memory was 161.0 MB in the beginning and 156.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1480.88 ms. Allocated memory was 196.6 MB in the beginning and 218.6 MB in the end (delta: 22.0 MB). Free memory was 156.4 MB in the beginning and 146.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. * Sifa took 29337.18 ms. Allocated memory was 218.6 MB in the beginning and 454.6 MB in the end (delta: 235.9 MB). Free memory was 146.1 MB in the beginning and 114.5 MB in the end (delta: 31.6 MB). Peak memory consumption was 267.5 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]: 29292, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 176, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 111, TOOLS_POST_TIME[ms]: 25270, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 63, TOOLS_POST_RETURN_APPLICATIONS: 42, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_APPLICATIONS: 204, TOOLS_QUANTIFIERELIM_TIME[ms]: 25307, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25245, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 180, FLUID_YES_ANSWERS: 180, DOMAIN_JOIN_APPLICATIONS: 56, DOMAIN_JOIN_TIME[ms]: 3617, DOMAIN_ALPHA_APPLICATIONS: 180, DOMAIN_ALPHA_TIME[ms]: 172, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 230, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 229, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 42, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28859, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28857, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 361, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 827]: 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 513#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...