/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:48:03,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:48:03,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:48:03,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:48:03,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:48:03,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:48:03,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:48:03,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:48:03,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:48:03,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:48:03,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:48:03,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:48:03,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:48:03,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:48:03,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:48:03,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:48:03,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:48:03,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:48:03,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:48:03,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:48:03,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:48:03,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:48:03,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:48:03,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:48:03,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:48:03,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:48:03,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:48:03,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:48:03,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:48:03,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:48:03,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:48:03,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:48:03,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:48:03,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:48:03,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:48:03,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:48:03,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:48:03,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:48:03,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:48:03,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:48:03,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:48:03,579 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 [2019-11-07 10:48:03,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:48:03,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:48:03,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:48:03,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:48:03,595 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:48:03,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:48:03,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:48:03,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:48:03,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:48:03,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:48:03,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:48:03,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:48:03,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:48:03,597 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:48:03,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:48:03,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:48:03,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:48:03,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:48:03,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:48:03,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:48:03,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:48:03,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:48:03,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:48:03,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:48:03,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:48:03,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:48:03,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:48:03,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:48:03,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:48:03,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:48:03,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:48:03,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:48:03,912 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:48:03,913 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:48:03,914 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-11-07 10:48:03,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce4750686/dc38d5a2181a44cfb5b42311f24c6820/FLAG429e7387f [2019-11-07 10:48:04,536 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:48:04,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-11-07 10:48:04,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce4750686/dc38d5a2181a44cfb5b42311f24c6820/FLAG429e7387f [2019-11-07 10:48:04,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce4750686/dc38d5a2181a44cfb5b42311f24c6820 [2019-11-07 10:48:04,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:48:04,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:48:04,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:48:04,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:48:04,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:48:04,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:48:04" (1/1) ... [2019-11-07 10:48:04,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7c87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:04, skipping insertion in model container [2019-11-07 10:48:04,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:48:04" (1/1) ... [2019-11-07 10:48:04,879 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:48:04,945 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:48:05,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:48:05,382 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:48:05,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:48:05,532 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:48:05,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05 WrapperNode [2019-11-07 10:48:05,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:48:05,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:48:05,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:48:05,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:48:05,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (1/1) ... [2019-11-07 10:48:05,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:48:05,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:48:05,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:48:05,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:48:05,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:48:05" (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 [2019-11-07 10:48:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:48:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:48:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:48:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:48:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:48:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:48:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:48:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:48:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:48:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:48:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:48:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:48:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:48:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:48:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:48:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 10:48:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:48:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:48:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:48:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:48:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:48:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:48:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:48:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:48:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:48:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:48:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:48:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:48:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:48:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:48:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:48:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:48:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:48:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:48:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:48:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:48:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:48:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:48:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:48:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:48:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:48:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:48:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:48:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:48:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:48:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:48:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:48:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:48:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:48:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:48:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:48:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:48:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:48:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 10:48:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:48:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:48:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:48:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:48:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:48:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:48:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:48:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:48:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:48:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:48:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:48:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:48:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:48:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:48:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:48:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:48:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:48:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:48:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:48:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:48:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:48:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:48:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:48:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:48:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:48:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:48:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:48:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:48:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:48:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:48:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:48:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:48:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:48:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:48:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:48:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:48:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:48:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:48:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:48:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:48:07,343 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:48:07,343 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:48:07,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:48:07 BoogieIcfgContainer [2019-11-07 10:48:07,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:48:07,346 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:48:07,346 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:48:07,346 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:48:07,347 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:48:07" (1/1) ... [2019-11-07 10:48:07,348 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:48:07,379 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:48:07,380 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:48:07,392 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:48:07,406 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:48:07,407 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:48:16,080 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:48:17,662 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:48:17,793 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:48:17,811 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-11-07 10:48:17,852 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-11-07 10:48:17,858 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-11-07 10:48:18,274 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-11-07 10:48:18,603 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-07 10:48:19,231 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 600 [2019-11-07 10:48:20,173 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2019-11-07 10:48:20,354 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2019-11-07 10:48:20,497 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:48:20,498 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-11-07 10:48:20,820 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 130 for LOIs [2019-11-07 10:48:20,833 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 144 for LOIs [2019-11-07 10:48:20,834 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:48:20,848 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:48:20,848 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:48:20,850 INFO L168 Benchmark]: Toolchain (without parser) took 15990.53 ms. Allocated memory was 144.7 MB in the beginning and 355.5 MB in the end (delta: 210.8 MB). Free memory was 100.5 MB in the beginning and 128.7 MB in the end (delta: -28.2 MB). Peak memory consumption was 182.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:20,851 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:48:20,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.60 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 100.3 MB in the beginning and 169.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:20,853 INFO L168 Benchmark]: Boogie Preprocessor took 88.53 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 164.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:20,854 INFO L168 Benchmark]: RCFGBuilder took 1722.74 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.2 MB in the beginning and 144.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:20,855 INFO L168 Benchmark]: Sifa took 13502.99 ms. Allocated memory was 233.8 MB in the beginning and 355.5 MB in the end (delta: 121.6 MB). Free memory was 144.2 MB in the beginning and 128.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 137.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:20,859 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 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.60 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 100.3 MB in the beginning and 169.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.53 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 164.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1722.74 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.2 MB in the beginning and 144.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * Sifa took 13502.99 ms. Allocated memory was 233.8 MB in the beginning and 355.5 MB in the end (delta: 121.6 MB). Free memory was 144.2 MB in the beginning and 128.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 137.2 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]: 13455, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 34, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 120, TOOLS_POST_TIME[ms]: 10365, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 117, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 226, TOOLS_QUANTIFIERELIM_TIME[ms]: 10456, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10306, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 220, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 2390, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 290, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME[ms]: 79, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1840, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1840, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10560, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10559, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 362, DAG_COMPRESSION_RETAINED_NODES: 183 - UnprovableResult [Line: 959]: 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 441#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string8.offset| 0) (<= |#t~string14.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (= |#t~string14.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= 0 |#t~string16.offset|) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (= 2 ~waterLevel~0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (= ~pumpRunning~0 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (<= |#t~string16.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string12.offset| 0) (<= 0 |#t~string18.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string35.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string37.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...