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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:28:17,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:28:17,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:28:17,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:28:17,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:28:17,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:28:17,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:28:17,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:28:17,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:28:17,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:28:17,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:28:17,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:28:17,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:28:17,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:28:17,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:28:17,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:28:17,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:28:17,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:28:17,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:28:17,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:28:17,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:28:17,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:28:17,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:28:17,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:28:17,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:28:17,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:28:17,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:28:17,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:28:17,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:28:17,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:28:17,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:28:17,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:28:17,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:28:17,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:28:17,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:28:17,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:28:17,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:28:17,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:28:17,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:28:17,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:28:17,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:28:17,049 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 10:28:17,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:28:17,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:28:17,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:28:17,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:28:17,064 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:28:17,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:28:17,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:28:17,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:28:17,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:28:17,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:28:17,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:28:17,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:28:17,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:28:17,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:28:17,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:28:17,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:28:17,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:28:17,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:28:17,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:28:17,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:28:17,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:28:17,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:28:17,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:28:17,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:28:17,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:28:17,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:28:17,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:28:17,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:28:17,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 10:28:17,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:28:17,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:28:17,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:28:17,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:28:17,118 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:28:17,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-17 10:28:17,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e71f2eb/68eb9fb8061542a4affec32209cf78e7/FLAG74d606223 [2019-09-17 10:28:17,655 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:28:17,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-17 10:28:17,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e71f2eb/68eb9fb8061542a4affec32209cf78e7/FLAG74d606223 [2019-09-17 10:28:18,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e71f2eb/68eb9fb8061542a4affec32209cf78e7 [2019-09-17 10:28:18,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:28:18,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:28:18,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:28:18,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:28:18,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:28:18,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425f21cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18, skipping insertion in model container [2019-09-17 10:28:18,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,034 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:28:18,095 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:28:18,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:28:18,537 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:28:18,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:28:18,666 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:28:18,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18 WrapperNode [2019-09-17 10:28:18,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:28:18,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:28:18,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:28:18,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:28:18,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (1/1) ... [2019-09-17 10:28:18,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:28:18,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:28:18,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:28:18,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:28:18,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:18" (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 10:28:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:28:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:28:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:28:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:28:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:28:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:28:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:28:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:28:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:28:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:28:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:28:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:28:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:28:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:28:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:28:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:28:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:28:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:28:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:28:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:28:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:28:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:28:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:28:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:28:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:28:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:28:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:28:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:28:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:28:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:28:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:28:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:28:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:28:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:28:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:28:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:28:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:28:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:28:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:28:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:28:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:28:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:28:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:28:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:28:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:28:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:28:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:28:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:28:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:28:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:28:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:28:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:28:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:28:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:28:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:28:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:28:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:28:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:28:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:28:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:28:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:28:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:28:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:28:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:28:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:28:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:28:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:28:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:28:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:28:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:28:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:28:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:28:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:28:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:28:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:28:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:28:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:28:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:28:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:28:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:28:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:28:20,360 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:28:20,360 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:28:20,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:28:20 BoogieIcfgContainer [2019-09-17 10:28:20,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:28:20,362 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:28:20,362 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:28:20,363 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:28:20,364 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:28:20" (1/1) ... [2019-09-17 10:28:20,365 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 10:28:20,407 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:28:20,408 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:28:20,421 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:28:20,432 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:28:20,434 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:28:43,293 WARN L191 SmtUtils]: Spent 13.43 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:28:44,956 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:28:48,669 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:28:48,959 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:28:48,970 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-17 10:28:49,028 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-17 10:28:49,034 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-17 10:28:49,977 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:28:50,320 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:28:51,327 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:28:51,853 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:28:52,737 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-17 10:28:53,069 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:28:54,018 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:28:54,373 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:28:55,247 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-17 10:28:56,064 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-17 10:28:56,391 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:28:57,317 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:28:57,643 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:28:58,579 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:28:58,581 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:28:58,584 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-17 10:28:59,219 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-17 10:28:59,443 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:28:59,444 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 99 for LOIs [2019-09-17 10:28:59,450 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-17 10:28:59,683 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:28:59,684 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:28:59,684 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:28:59,686 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 291#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) [2019-09-17 10:28:59,696 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:28:59,696 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:28:59,698 INFO L168 Benchmark]: Toolchain (without parser) took 41680.74 ms. Allocated memory was 136.3 MB in the beginning and 487.1 MB in the end (delta: 350.7 MB). Free memory was 90.9 MB in the beginning and 313.7 MB in the end (delta: -222.8 MB). Peak memory consumption was 128.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:28:59,698 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:28:59,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.55 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.7 MB in the beginning and 163.4 MB in the end (delta: -72.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:28:59,700 INFO L168 Benchmark]: Boogie Preprocessor took 82.12 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 159.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-17 10:28:59,702 INFO L168 Benchmark]: RCFGBuilder took 1612.33 ms. Allocated memory was 199.2 MB in the beginning and 230.2 MB in the end (delta: 30.9 MB). Free memory was 159.3 MB in the beginning and 147.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:28:59,703 INFO L168 Benchmark]: Sifa took 39333.93 ms. Allocated memory was 230.2 MB in the beginning and 487.1 MB in the end (delta: 256.9 MB). Free memory was 147.4 MB in the beginning and 313.7 MB in the end (delta: -166.3 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:28:59,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.55 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.7 MB in the beginning and 163.4 MB in the end (delta: -72.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.12 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 159.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1612.33 ms. Allocated memory was 199.2 MB in the beginning and 230.2 MB in the end (delta: 30.9 MB). Free memory was 159.3 MB in the beginning and 147.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * Sifa took 39333.93 ms. Allocated memory was 230.2 MB in the beginning and 487.1 MB in the end (delta: 256.9 MB). Free memory was 147.4 MB in the beginning and 313.7 MB in the end (delta: -166.3 MB). Peak memory consumption was 90.6 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]: 39278, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 28213, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 98, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_APPLICATIONS: 228, TOOLS_QUANTIFIERELIM_TIME[ms]: 28284, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28161, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 10675, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 89, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5315, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5315, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28727, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28726, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 379, DAG_COMPRESSION_RETAINED_NODES: 211 - UnprovableResult [Line: 535]: 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 291#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...