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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:25:48,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:25:48,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:25:48,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:25:48,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:25:48,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:25:48,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:25:48,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:25:48,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:25:48,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:25:48,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:25:48,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:25:48,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:25:48,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:25:48,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:25:48,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:25:48,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:25:48,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:25:48,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:25:48,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:25:48,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:25:48,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:25:48,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:25:48,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:25:48,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:25:48,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:25:48,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:25:48,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:25:48,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:25:48,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:25:48,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:25:48,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:25:48,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:25:48,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:25:48,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:25:48,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:25:48,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:25:48,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:25:48,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:25:48,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:25:48,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:25:48,594 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 02:25:48,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:25:48,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:25:48,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:25:48,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:25:48,611 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:25:48,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:25:48,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:25:48,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:25:48,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:25:48,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:25:48,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:25:48,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:25:48,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:25:48,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:25:48,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:25:48,613 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:25:48,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:25:48,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:25:48,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:25:48,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:25:48,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:25:48,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:25:48,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:25:48,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:25:48,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:25:48,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:25:48,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:25:48,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:25:48,616 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 02:25:48,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:25:48,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:25:48,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:25:48,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:25:48,693 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:25:48,693 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-17 02:25:48,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebe9ef150/6ceab92b23b24944b2e7031ce7280b7f/FLAGbfbfc0643 [2019-09-17 02:25:49,306 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:25:49,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-17 02:25:49,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebe9ef150/6ceab92b23b24944b2e7031ce7280b7f/FLAGbfbfc0643 [2019-09-17 02:25:49,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebe9ef150/6ceab92b23b24944b2e7031ce7280b7f [2019-09-17 02:25:49,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:25:49,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:25:49,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:25:49,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:25:49,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:25:49,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:25:49" (1/1) ... [2019-09-17 02:25:49,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fd74a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:49, skipping insertion in model container [2019-09-17 02:25:49,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:25:49" (1/1) ... [2019-09-17 02:25:49,626 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:25:49,689 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:25:50,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:25:50,182 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:25:50,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:25:50,380 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:25:50,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50 WrapperNode [2019-09-17 02:25:50,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:25:50,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:25:50,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:25:50,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:25:50,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (1/1) ... [2019-09-17 02:25:50,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (1/1) ... [2019-09-17 02:25:50,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (1/1) ... [2019-09-17 02:25:50,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (1/1) ... [2019-09-17 02:25:50,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (1/1) ... [2019-09-17 02:25:50,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (1/1) ... [2019-09-17 02:25:50,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (1/1) ... [2019-09-17 02:25:50,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:25:50,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:25:50,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:25:50,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:25:50,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:25:50" (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 02:25:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:25:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:25:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 02:25:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 02:25:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 02:25:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 02:25:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 02:25:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 02:25:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 02:25:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 02:25:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 02:25:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 02:25:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 02:25:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 02:25:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 02:25:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 02:25:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 02:25:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 02:25:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 02:25:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 02:25:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 02:25:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 02:25:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 02:25:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 02:25:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 02:25:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 02:25:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 02:25:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 02:25:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 02:25:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 02:25:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 02:25:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 02:25:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 02:25:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 02:25:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 02:25:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 02:25:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 02:25:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 02:25:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 02:25:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 02:25:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:25:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:25:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:25:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 02:25:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 02:25:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 02:25:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 02:25:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 02:25:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 02:25:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 02:25:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 02:25:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 02:25:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 02:25:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 02:25:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 02:25:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 02:25:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 02:25:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 02:25:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 02:25:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 02:25:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 02:25:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 02:25:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 02:25:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 02:25:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 02:25:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 02:25:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 02:25:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 02:25:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 02:25:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 02:25:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 02:25:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 02:25:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 02:25:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 02:25:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 02:25:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 02:25:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 02:25:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 02:25:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 02:25:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 02:25:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 02:25:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 02:25:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 02:25:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 02:25:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 02:25:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 02:25:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 02:25:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 02:25:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 02:25:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 02:25:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 02:25:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 02:25:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:25:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:25:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 02:25:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:25:52,121 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:25:52,121 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 02:25:52,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:25:52 BoogieIcfgContainer [2019-09-17 02:25:52,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:25:52,123 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:25:52,124 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:25:52,124 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:25:52,125 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:25:52" (1/1) ... [2019-09-17 02:25:52,126 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 02:25:52,151 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:25:52,151 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:25:52,159 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:25:52,169 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:25:52,170 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:26:04,996 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 02:26:05,024 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-09-17 02:26:05,068 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-09-17 02:26:05,074 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-09-17 02:26:11,777 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 35 for LOIs [2019-09-17 02:26:11,824 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 37 for LOIs [2019-09-17 02:26:11,837 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 17 for LOIs [2019-09-17 02:26:11,841 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-17 02:26:11,842 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:26:11,843 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:26:11,846 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1009#(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))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-17 02:26:11,865 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:26:11,865 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:26:11,871 INFO L168 Benchmark]: Toolchain (without parser) took 22255.17 ms. Allocated memory was 132.1 MB in the beginning and 513.8 MB in the end (delta: 381.7 MB). Free memory was 85.0 MB in the beginning and 301.9 MB in the end (delta: -216.9 MB). Peak memory consumption was 164.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:26:11,872 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 02:26:11,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.35 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.0 MB in the beginning and 161.3 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:26:11,875 INFO L168 Benchmark]: Boogie Preprocessor took 89.17 ms. Allocated memory is still 198.7 MB. Free memory was 161.3 MB in the beginning and 156.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-17 02:26:11,882 INFO L168 Benchmark]: RCFGBuilder took 1652.43 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 156.8 MB in the beginning and 134.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:26:11,884 INFO L168 Benchmark]: Sifa took 19741.95 ms. Allocated memory was 221.8 MB in the beginning and 513.8 MB in the end (delta: 292.0 MB). Free memory was 134.8 MB in the beginning and 301.9 MB in the end (delta: -167.1 MB). Peak memory consumption was 124.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:26:11,893 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 132.1 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.35 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.0 MB in the beginning and 161.3 MB in the end (delta: -76.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.17 ms. Allocated memory is still 198.7 MB. Free memory was 161.3 MB in the beginning and 156.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1652.43 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 156.8 MB in the beginning and 134.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Sifa took 19741.95 ms. Allocated memory was 221.8 MB in the beginning and 513.8 MB in the end (delta: 292.0 MB). Free memory was 134.8 MB in the beginning and 301.9 MB in the end (delta: -167.1 MB). Peak memory consumption was 124.9 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]: 19696, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 563, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 370, TOOLS_POST_TIME[ms]: 14789, TOOLS_POST_CALL_APPLICATIONS: 142, TOOLS_POST_CALL_TIME[ms]: 2350, TOOLS_POST_RETURN_APPLICATIONS: 133, TOOLS_POST_RETURN_TIME[ms]: 1175, TOOLS_QUANTIFIERELIM_APPLICATIONS: 645, TOOLS_QUANTIFIERELIM_TIME[ms]: 17750, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12753, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 598, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 133, DOMAIN_JOIN_TIME[ms]: 75, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 26, DOMAIN_WIDEN_APPLICATIONS: 18, DOMAIN_WIDEN_TIME[ms]: 20, DOMAIN_ISSUBSETEQ_APPLICATIONS: 35, DOMAIN_ISSUBSETEQ_TIME[ms]: 514, DOMAIN_ISBOTTOM_APPLICATIONS: 62, DOMAIN_ISBOTTOM_TIME[ms]: 534, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5835, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5834, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 35, CALL_SUMMARIZER_APPLICATIONS: 133, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12898, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12897, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 502, DAG_COMPRESSION_RETAINED_NODES: 276 - UnprovableResult [Line: 750]: 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 1009#(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))) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 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...