java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:10:24,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:10:24,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:10:24,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:10:24,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:10:24,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:10:24,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:10:24,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:10:24,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:10:24,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:10:24,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:10:24,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:10:24,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:10:24,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:10:24,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:10:24,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:10:24,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:10:24,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:10:24,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:10:24,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:10:24,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:10:24,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:10:24,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:10:24,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:10:24,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:10:24,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:10:24,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:10:24,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:10:24,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:10:24,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:10:24,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:10:24,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:10:24,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:10:24,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:10:24,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:10:24,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:10:24,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:10:24,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:10:24,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:10:24,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:10:24,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:10:24,661 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 [2019-09-17 06:10:24,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:10:24,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:10:24,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:10:24,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:10:24,690 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:10:24,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:10:24,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:10:24,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:10:24,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:10:24,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:10:24,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:10:24,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:10:24,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:10:24,693 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:10:24,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:10:24,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:10:24,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:10:24,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:10:24,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:10:24,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:10:24,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:10:24,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:10:24,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:10:24,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:10:24,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:10:24,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:10:24,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:10:24,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:10:24,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 06:10:24,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:10:24,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:10:24,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:10:24,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:10:24,791 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:10:24,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2019-09-17 06:10:24,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c8541a3/ff18b03bd6cf48028a0c1095ac7a224b/FLAGba3c6de5c [2019-09-17 06:10:25,382 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:10:25,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2019-09-17 06:10:25,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c8541a3/ff18b03bd6cf48028a0c1095ac7a224b/FLAGba3c6de5c [2019-09-17 06:10:25,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95c8541a3/ff18b03bd6cf48028a0c1095ac7a224b [2019-09-17 06:10:25,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:10:25,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:10:25,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:10:25,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:10:25,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:10:25,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:10:25" (1/1) ... [2019-09-17 06:10:25,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425f21cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:25, skipping insertion in model container [2019-09-17 06:10:25,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:10:25" (1/1) ... [2019-09-17 06:10:25,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:10:25,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:10:26,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:10:26,243 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:10:26,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:10:26,384 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:10:26,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26 WrapperNode [2019-09-17 06:10:26,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:10:26,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:10:26,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:10:26,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:10:26,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (1/1) ... [2019-09-17 06:10:26,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (1/1) ... [2019-09-17 06:10:26,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (1/1) ... [2019-09-17 06:10:26,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (1/1) ... [2019-09-17 06:10:26,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (1/1) ... [2019-09-17 06:10:26,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (1/1) ... [2019-09-17 06:10:26,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (1/1) ... [2019-09-17 06:10:26,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:10:26,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:10:26,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:10:26,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:10:26,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:10:26" (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 [2019-09-17 06:10:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:10:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:10:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:10:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:10:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:10:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:10:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:10:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:10:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:10:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:10:26,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:10:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:10:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:10:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:10:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:10:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:10:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:10:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:10:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:10:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:10:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 06:10:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:10:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:10:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:10:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:10:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:10:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:10:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:10:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:10:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:10:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 06:10:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:10:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:10:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:10:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:10:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:10:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:10:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:10:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:10:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:10:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:10:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:10:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:10:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:10:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:10:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:10:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:10:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:10:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:10:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:10:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:10:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:10:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:10:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:10:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:10:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:10:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:10:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:10:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:10:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:10:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:10:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:10:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 06:10:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:10:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:10:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:10:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:10:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:10:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:10:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:10:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:10:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-17 06:10:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-17 06:10:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:10:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:10:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 06:10:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:10:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-17 06:10:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:10:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:10:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:10:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:10:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:10:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:10:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:10:28,229 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:10:28,230 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:10:28,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:10:28 BoogieIcfgContainer [2019-09-17 06:10:28,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:10:28,232 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:10:28,232 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:10:28,232 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:10:28,233 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:10:28" (1/1) ... [2019-09-17 06:10:28,234 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:10:28,256 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:10:28,256 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:10:28,265 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:10:28,273 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:10:28,275 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:10:39,620 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 06:10:41,509 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:10:41,705 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:10:41,873 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:10:42,032 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:10:42,054 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-17 06:10:42,111 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-17 06:10:42,128 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-17 06:10:42,311 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-17 06:10:42,484 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 488 [2019-09-17 06:10:42,953 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:43,254 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:43,546 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:43,818 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:10:44,285 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:44,649 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:45,455 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:10:46,096 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:10:47,004 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 551 [2019-09-17 06:10:47,454 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-17 06:10:48,456 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:10:49,064 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:10:49,836 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 555 [2019-09-17 06:10:50,948 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 555 [2019-09-17 06:10:52,335 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 582 [2019-09-17 06:10:54,039 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 582 [2019-09-17 06:10:54,877 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 582 [2019-09-17 06:10:55,650 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-09-17 06:10:57,073 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 605 [2019-09-17 06:10:58,091 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:58,491 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:10:59,789 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:11:00,349 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:11:00,812 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 551 [2019-09-17 06:11:01,126 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-09-17 06:11:02,135 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:02,595 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-09-17 06:11:03,435 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 569 [2019-09-17 06:11:04,150 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-09-17 06:11:05,192 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 595 [2019-09-17 06:11:06,226 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 595 [2019-09-17 06:11:07,276 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 596 DAG size of output: 595 [2019-09-17 06:11:08,349 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 595 [2019-09-17 06:11:09,946 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 618 [2019-09-17 06:11:10,042 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 36 for LOIs [2019-09-17 06:11:10,112 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-17 06:11:10,125 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2019-09-17 06:11:10,130 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 41 for LOIs [2019-09-17 06:11:10,136 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:11:10,136 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:11:10,139 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 439#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-17 06:11:10,154 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:11:10,154 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:11:10,157 INFO L168 Benchmark]: Toolchain (without parser) took 44461.64 ms. Allocated memory was 133.2 MB in the beginning and 940.0 MB in the end (delta: 806.9 MB). Free memory was 87.9 MB in the beginning and 109.6 MB in the end (delta: -21.7 MB). Peak memory consumption was 785.2 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,164 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.31 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 164.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,167 INFO L168 Benchmark]: Boogie Preprocessor took 86.06 ms. Allocated memory is still 199.8 MB. Free memory was 164.6 MB in the beginning and 160.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,174 INFO L168 Benchmark]: RCFGBuilder took 1760.01 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.3 MB in the beginning and 144.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,176 INFO L168 Benchmark]: Sifa took 41922.62 ms. Allocated memory was 224.4 MB in the beginning and 940.0 MB in the end (delta: 715.7 MB). Free memory was 144.3 MB in the beginning and 109.6 MB in the end (delta: 34.7 MB). Peak memory consumption was 750.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:11:10,182 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 133.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.31 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 164.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.06 ms. Allocated memory is still 199.8 MB. Free memory was 164.6 MB in the beginning and 160.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1760.01 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.3 MB in the beginning and 144.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Sifa took 41922.62 ms. Allocated memory was 224.4 MB in the beginning and 940.0 MB in the end (delta: 715.7 MB). Free memory was 144.3 MB in the beginning and 109.6 MB in the end (delta: 34.7 MB). Peak memory consumption was 750.3 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]: 41883, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 221, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 142, TOOLS_POST_TIME[ms]: 13584, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 340, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 276, TOOLS_QUANTIFIERELIM_APPLICATIONS: 267, TOOLS_QUANTIFIERELIM_TIME[ms]: 14056, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13372, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 228, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 24226, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2990, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 59, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 255, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 20860, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 20859, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13894, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13893, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 342, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 82]: 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 439#(and (or (and (and (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647)) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (<= ~switchedOnBeforeTS~0 2147483647))) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...