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 NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:11:39,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:11:39,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:11:39,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:11:39,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:11:39,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:11:39,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:11:39,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:11:39,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:11:39,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:11:39,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:11:39,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:11:39,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:11:39,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:11:39,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:11:39,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:11:39,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:11:39,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:11:39,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:11:39,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:11:39,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:11:39,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:11:39,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:11:39,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:11:39,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:11:39,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:11:39,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:11:39,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:11:39,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:11:39,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:11:39,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:11:39,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:11:39,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:11:39,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:11:39,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:11:39,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:11:39,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:11:39,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:11:39,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:11:39,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:11:39,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:11:39,650 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 [2019-09-20 15:11:39,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:11:39,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:11:39,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:11:39,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:11:39,679 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:11:39,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:11:39,679 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:11:39,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:11:39,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:11:39,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:11:39,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:11:39,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:11:39,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:11:39,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:11:39,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:11:39,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:11:39,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:11:39,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:11:39,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:11:39,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:11:39,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:11:39,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:11:39,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:11:39,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:11:39,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:11:39,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:11:39,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:11:39,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:11:39,685 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 -> NONE [2019-09-20 15:11:39,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:11:39,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:11:39,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:11:39,746 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:11:39,746 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:11:39,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-20 15:11:39,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38b60246/9afae31af19c48439ed6f5c948032aa4/FLAGf8457515d [2019-09-20 15:11:40,369 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:11:40,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-20 15:11:40,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38b60246/9afae31af19c48439ed6f5c948032aa4/FLAGf8457515d [2019-09-20 15:11:40,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38b60246/9afae31af19c48439ed6f5c948032aa4 [2019-09-20 15:11:40,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:11:40,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:11:40,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:40,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:11:40,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:11:40,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:40" (1/1) ... [2019-09-20 15:11:40,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e021c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:40, skipping insertion in model container [2019-09-20 15:11:40,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:11:40" (1/1) ... [2019-09-20 15:11:40,668 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:11:40,732 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:11:41,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:41,214 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:11:41,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:11:41,327 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:11:41,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41 WrapperNode [2019-09-20 15:11:41,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:11:41,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:11:41,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:11:41,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:11:41,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (1/1) ... [2019-09-20 15:11:41,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (1/1) ... [2019-09-20 15:11:41,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (1/1) ... [2019-09-20 15:11:41,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (1/1) ... [2019-09-20 15:11:41,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (1/1) ... [2019-09-20 15:11:41,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (1/1) ... [2019-09-20 15:11:41,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (1/1) ... [2019-09-20 15:11:41,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:11:41,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:11:41,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:11:41,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:11:41,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:11:41" (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 [2019-09-20 15:11:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:11:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:11:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:11:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:11:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:11:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:11:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:11:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:11:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:11:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:11:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:11:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:11:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:11:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:11:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:11:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:11:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:11:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:11:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:11:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:11:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:11:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:11:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:11:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:11:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:11:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:11:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:11:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:11:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:11:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:11:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:11:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:11:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:11:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:11:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:11:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:11:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:11:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:11:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:11:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:11:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:11:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:11:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:11:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:11:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:11:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:11:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:11:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:11:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:11:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:11:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:11:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:11:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:11:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:11:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:11:41,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:11:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:11:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:11:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:11:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:11:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:11:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:11:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:11:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:11:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:11:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:11:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:11:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:11:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:11:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:11:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:11:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:11:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:11:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:11:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:11:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:11:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:11:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:11:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:11:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:11:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:11:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:11:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:11:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:11:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:11:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:11:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:11:43,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:11:43,096 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:11:43,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:43 BoogieIcfgContainer [2019-09-20 15:11:43,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:11:43,098 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:11:43,098 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:11:43,098 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:11:43,100 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:11:43" (1/1) ... [2019-09-20 15:11:43,100 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:11:43,128 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:11:43,129 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:11:43,141 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:11:43,151 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:11:43,156 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:11:54,499 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:11:54,525 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:11:54,568 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:11:54,573 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:11:55,536 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 32 for LOIs [2019-09-20 15:11:55,590 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 34 for LOIs [2019-09-20 15:11:55,609 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 17 for LOIs [2019-09-20 15:11:55,613 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-20 15:11:55,614 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:11:55,614 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:11:55,616 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 434#(and (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:11:55,629 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:11:55,629 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:11:55,632 INFO L168 Benchmark]: Toolchain (without parser) took 14979.47 ms. Allocated memory was 132.6 MB in the beginning and 319.8 MB in the end (delta: 187.2 MB). Free memory was 87.3 MB in the beginning and 82.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 191.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:55,632 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:11:55,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.00 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 164.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:55,634 INFO L168 Benchmark]: Boogie Preprocessor took 89.65 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 161.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:55,635 INFO L168 Benchmark]: RCFGBuilder took 1675.25 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.3 MB in the beginning and 147.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:55,639 INFO L168 Benchmark]: Sifa took 12531.93 ms. Allocated memory was 223.3 MB in the beginning and 319.8 MB in the end (delta: 96.5 MB). Free memory was 145.6 MB in the beginning and 82.8 MB in the end (delta: 62.9 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:11:55,652 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 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.00 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 164.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.65 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 161.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1675.25 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.3 MB in the beginning and 147.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. * Sifa took 12531.93 ms. Allocated memory was 223.3 MB in the beginning and 319.8 MB in the end (delta: 96.5 MB). Free memory was 145.6 MB in the beginning and 82.8 MB in the end (delta: 62.9 MB). Peak memory consumption was 159.3 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]: 12488, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 229, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 11480, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 419, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 245, TOOLS_QUANTIFIERELIM_APPLICATIONS: 274, TOOLS_QUANTIFIERELIM_TIME[ms]: 12020, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11283, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 235, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 21, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 135, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 919, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 918, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11391, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11390, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 215 - UnprovableResult [Line: 535]: 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 434#(and (or (and (or (= ~pumpRunning~0 0) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0)))) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 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...