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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:57:34,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:57:34,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:57:34,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:57:34,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:57:34,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:57:34,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:57:34,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:57:34,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:57:34,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:57:34,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:57:34,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:57:34,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:57:34,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:57:34,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:57:34,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:57:34,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:57:34,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:57:34,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:57:34,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:57:34,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:57:34,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:57:34,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:57:34,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:57:34,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:57:34,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:57:34,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:57:34,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:57:34,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:57:34,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:57:34,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:57:34,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:57:34,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:57:34,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:57:34,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:57:34,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:57:34,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:57:34,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:57:34,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:57:34,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:57:34,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:57:34,601 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 [2019-10-15 06:57:34,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:57:34,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:57:34,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:57:34,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:57:34,637 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:57:34,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:57:34,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:57:34,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:57:34,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:57:34,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:57:34,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:57:34,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:57:34,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:57:34,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:57:34,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:57:34,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:57:34,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:57:34,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:57:34,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:57:34,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:57:34,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:57:34,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:57:34,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:57:34,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:57:34,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:57:34,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:57:34,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:57:34,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:57:34,643 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 [2019-10-15 06:57:34,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:57:34,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:57:34,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:57:34,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:57:34,976 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:57:34,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-10-15 06:57:35,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc6f491b/92e4d15120e84b0d98e178f80c1d6313/FLAGb602cf167 [2019-10-15 06:57:35,604 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:57:35,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2019-10-15 06:57:35,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc6f491b/92e4d15120e84b0d98e178f80c1d6313/FLAGb602cf167 [2019-10-15 06:57:35,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc6f491b/92e4d15120e84b0d98e178f80c1d6313 [2019-10-15 06:57:35,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:57:35,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:57:35,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:57:35,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:57:35,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:57:35,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:57:35" (1/1) ... [2019-10-15 06:57:35,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507cfa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:35, skipping insertion in model container [2019-10-15 06:57:35,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:57:35" (1/1) ... [2019-10-15 06:57:35,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:57:36,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:57:36,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:57:36,501 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:57:36,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:57:36,632 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:57:36,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36 WrapperNode [2019-10-15 06:57:36,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:57:36,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:57:36,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:57:36,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:57:36,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (1/1) ... [2019-10-15 06:57:36,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (1/1) ... [2019-10-15 06:57:36,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (1/1) ... [2019-10-15 06:57:36,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (1/1) ... [2019-10-15 06:57:36,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (1/1) ... [2019-10-15 06:57:36,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (1/1) ... [2019-10-15 06:57:36,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (1/1) ... [2019-10-15 06:57:36,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:57:36,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:57:36,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:57:36,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:57:36,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:36" (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 [2019-10-15 06:57:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:57:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:57:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:57:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:57:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:57:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:57:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:57:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:57:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:57:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:57:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:57:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:57:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:57:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:57:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:57:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:57:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:57:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:57:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:57:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:57:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:57:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:57:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:57:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:57:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:57:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 06:57:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:57:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:57:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:57:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:57:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:57:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:57:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:57:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:57:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:57:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:57:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:57:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:57:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:57:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:57:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:57:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:57:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:57:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:57:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:57:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:57:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:57:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:57:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:57:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:57:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:57:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:57:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:57:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:57:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:57:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:57:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:57:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:57:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:57:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:57:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:57:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:57:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:57:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:57:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:57:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:57:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:57:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:57:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:57:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:57:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 06:57:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:57:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:57:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:57:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:57:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:57:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:57:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:57:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:57:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:57:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:57:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:57:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:57:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:57:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:57:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:57:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:57:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:57:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:57:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:57:38,253 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:57:38,253 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:57:38,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:57:38 BoogieIcfgContainer [2019-10-15 06:57:38,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:57:38,255 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:57:38,256 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:57:38,256 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:57:38,257 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:57:38" (1/1) ... [2019-10-15 06:57:38,258 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 [2019-10-15 06:57:38,288 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:57:38,289 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:57:38,304 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:57:38,315 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:57:38,317 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:57:47,569 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:57:49,306 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:57:49,437 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:49,563 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:49,716 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:49,989 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:57:50,030 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:57:50,106 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:57:50,114 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:57:50,825 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:57:51,325 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:57:51,718 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 06:57:52,003 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-10-15 06:57:52,313 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 191 [2019-10-15 06:57:52,805 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-15 06:57:52,981 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-15 06:57:53,193 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 592 [2019-10-15 06:57:53,573 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 06:57:54,004 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 06:57:55,107 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-15 06:57:55,276 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-15 06:57:55,629 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 06:57:56,042 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-15 06:57:56,524 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 06:57:56,756 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:57:56,758 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-15 06:57:57,028 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-15 06:57:57,035 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-15 06:57:57,086 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:57:57,098 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:57:57,098 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:57:57,100 INFO L168 Benchmark]: Toolchain (without parser) took 21149.44 ms. Allocated memory was 139.5 MB in the beginning and 598.7 MB in the end (delta: 459.3 MB). Free memory was 103.0 MB in the beginning and 204.9 MB in the end (delta: -102.0 MB). Peak memory consumption was 357.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:57,101 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 06:57:57,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.57 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 168.4 MB in the end (delta: -65.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:57,103 INFO L168 Benchmark]: Boogie Preprocessor took 82.69 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 164.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:57,104 INFO L168 Benchmark]: RCFGBuilder took 1538.26 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.4 MB in the beginning and 146.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:57,106 INFO L168 Benchmark]: Sifa took 18843.16 ms. Allocated memory was 235.4 MB in the beginning and 598.7 MB in the end (delta: 363.3 MB). Free memory was 146.0 MB in the beginning and 204.9 MB in the end (delta: -59.0 MB). Peak memory consumption was 304.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:57,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.57 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 168.4 MB in the end (delta: -65.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.69 ms. Allocated memory is still 202.9 MB. Free memory was 168.4 MB in the beginning and 164.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1538.26 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 164.4 MB in the beginning and 146.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * Sifa took 18843.16 ms. Allocated memory was 235.4 MB in the beginning and 598.7 MB in the end (delta: 363.3 MB). Free memory was 146.0 MB in the beginning and 204.9 MB in the end (delta: -59.0 MB). Peak memory consumption was 304.4 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]: 18799, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 182, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 11121, TOOLS_POST_CALL_APPLICATIONS: 52, TOOLS_POST_CALL_TIME[ms]: 152, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 83, TOOLS_QUANTIFIERELIM_APPLICATIONS: 218, TOOLS_QUANTIFIERELIM_TIME[ms]: 11251, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11043, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 184, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 6507, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 570, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 185, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4801, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4801, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 45, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11791, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11790, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 316, DAG_COMPRESSION_RETAINED_NODES: 180 - UnprovableResult [Line: 680]: 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 569#(and (= |#t~string50.offset| 0) (<= |#t~string58.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string32.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 ~waterLevel~0) (<= |#t~string36.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string50.offset|) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= |#t~string50.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...