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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:25:32,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:25:32,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:25:32,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:25:32,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:25:32,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:25:32,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:25:32,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:25:32,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:25:32,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:25:32,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:25:32,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:25:32,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:25:32,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:25:32,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:25:32,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:25:32,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:25:32,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:25:32,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:25:32,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:25:32,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:25:32,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:25:32,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:25:32,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:25:32,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:25:32,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:25:32,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:25:32,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:25:32,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:25:32,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:25:32,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:25:32,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:25:32,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:25:32,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:25:32,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:25:32,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:25:32,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:25:32,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:25:32,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:25:32,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:25:32,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:25:32,581 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 02:25:32,610 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:25:32,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:25:32,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:25:32,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:25:32,612 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:25:32,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:25:32,612 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:25:32,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:25:32,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:25:32,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:25:32,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:25:32,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:25:32,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:25:32,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:25:32,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:25:32,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:25:32,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:25:32,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:25:32,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:25:32,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:25:32,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:25:32,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:25:32,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:25:32,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:25:32,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:25:32,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:25:32,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:25:32,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:25:32,618 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 [2019-09-17 02:25:32,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:25:32,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:25:32,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:25:32,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:25:32,708 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:25:32,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-17 02:25:32,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7582ce7e/e4ab24df98ed47c2b0c52477f078b15a/FLAG9fb2554fc [2019-09-17 02:25:33,284 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:25:33,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-17 02:25:33,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7582ce7e/e4ab24df98ed47c2b0c52477f078b15a/FLAG9fb2554fc [2019-09-17 02:25:33,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7582ce7e/e4ab24df98ed47c2b0c52477f078b15a [2019-09-17 02:25:33,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:25:33,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:25:33,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:25:33,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:25:33,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:25:33,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:25:33" (1/1) ... [2019-09-17 02:25:33,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124af0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:33, skipping insertion in model container [2019-09-17 02:25:33,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:25:33" (1/1) ... [2019-09-17 02:25:33,612 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:25:33,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:25:34,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:25:34,231 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:25:34,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:25:34,419 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:25:34,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34 WrapperNode [2019-09-17 02:25:34,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:25:34,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:25:34,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:25:34,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:25:34,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (1/1) ... [2019-09-17 02:25:34,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (1/1) ... [2019-09-17 02:25:34,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (1/1) ... [2019-09-17 02:25:34,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (1/1) ... [2019-09-17 02:25:34,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (1/1) ... [2019-09-17 02:25:34,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (1/1) ... [2019-09-17 02:25:34,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (1/1) ... [2019-09-17 02:25:34,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:25:34,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:25:34,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:25:34,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:25:34,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:34" (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 02:25:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:25:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:25:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 02:25:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 02:25:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 02:25:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 02:25:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 02:25:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 02:25:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 02:25:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 02:25:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 02:25:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 02:25:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 02:25:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 02:25:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 02:25:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 02:25:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 02:25:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 02:25:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 02:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 02:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 02:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 02:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 02:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 02:25:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 02:25:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 02:25:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 02:25:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 02:25:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 02:25:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 02:25:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 02:25:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 02:25:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 02:25:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 02:25:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 02:25:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 02:25:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 02:25:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 02:25:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:25:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 02:25:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:25:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:25:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 02:25:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 02:25:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 02:25:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 02:25:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 02:25:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 02:25:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 02:25:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 02:25:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 02:25:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 02:25:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 02:25:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 02:25:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 02:25:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 02:25:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 02:25:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 02:25:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 02:25:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 02:25:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 02:25:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 02:25:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 02:25:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 02:25:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 02:25:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 02:25:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 02:25:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 02:25:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 02:25:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 02:25:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 02:25:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 02:25:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 02:25:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 02:25:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 02:25:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 02:25:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 02:25:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 02:25:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 02:25:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 02:25:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 02:25:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 02:25:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 02:25:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 02:25:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 02:25:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 02:25:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 02:25:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 02:25:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 02:25:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 02:25:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:25:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:25:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 02:25:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:25:36,174 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:25:36,175 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 02:25:36,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:25:36 BoogieIcfgContainer [2019-09-17 02:25:36,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:25:36,177 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:25:36,177 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:25:36,178 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:25:36,179 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:25:36" (1/1) ... [2019-09-17 02:25:36,180 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 [2019-09-17 02:25:36,203 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:25:36,204 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:25:36,212 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:25:36,221 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:25:36,223 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:25:46,712 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 02:25:46,753 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-17 02:25:46,805 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-17 02:25:46,811 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-17 02:25:51,774 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-17 02:25:51,793 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-17 02:25:51,799 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-17 02:25:51,802 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 12 for LOIs [2019-09-17 02:25:51,803 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:25:51,803 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:25:51,806 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1676#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-17 02:25:51,826 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:25:51,827 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:25:51,831 INFO L168 Benchmark]: Toolchain (without parser) took 18231.14 ms. Allocated memory was 138.9 MB in the beginning and 383.3 MB in the end (delta: 244.3 MB). Free memory was 84.8 MB in the beginning and 100.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 228.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:25:51,832 INFO L168 Benchmark]: CDTParser took 1.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:25:51,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.68 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 164.3 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:25:51,836 INFO L168 Benchmark]: Boogie Preprocessor took 141.50 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:25:51,843 INFO L168 Benchmark]: RCFGBuilder took 1614.42 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 159.8 MB in the beginning and 145.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2019-09-17 02:25:51,844 INFO L168 Benchmark]: Sifa took 15650.21 ms. Allocated memory was 221.8 MB in the beginning and 383.3 MB in the end (delta: 161.5 MB). Free memory was 145.2 MB in the beginning and 100.9 MB in the end (delta: 44.3 MB). Peak memory consumption was 205.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:25:51,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.68 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 164.3 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.50 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1614.42 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 159.8 MB in the beginning and 145.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. * Sifa took 15650.21 ms. Allocated memory was 221.8 MB in the beginning and 383.3 MB in the end (delta: 161.5 MB). Free memory was 145.2 MB in the beginning and 100.9 MB in the end (delta: 44.3 MB). Peak memory consumption was 205.8 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]: 15602, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 869, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 584, TOOLS_POST_TIME[ms]: 11347, TOOLS_POST_CALL_APPLICATIONS: 223, TOOLS_POST_CALL_TIME[ms]: 1585, TOOLS_POST_RETURN_APPLICATIONS: 214, TOOLS_POST_RETURN_TIME[ms]: 1012, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1021, TOOLS_QUANTIFIERELIM_TIME[ms]: 13386, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10418, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 910, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 263, DOMAIN_JOIN_TIME[ms]: 132, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 18, DOMAIN_WIDEN_TIME[ms]: 16, DOMAIN_ISSUBSETEQ_APPLICATIONS: 41, DOMAIN_ISSUBSETEQ_TIME[ms]: 271, DOMAIN_ISBOTTOM_APPLICATIONS: 151, DOMAIN_ISBOTTOM_TIME[ms]: 963, LOOP_SUMMARIZER_APPLICATIONS: 23, LOOP_SUMMARIZER_CACHE_MISSES: 23, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4263, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4261, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 41, CALL_SUMMARIZER_APPLICATIONS: 214, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10517, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10514, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 56, DAG_COMPRESSION_PROCESSED_NODES: 734, DAG_COMPRESSION_RETAINED_NODES: 375 - UnprovableResult [Line: 44]: 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 1676#(and (<= ~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...