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-fea9116 [2019-09-20 16:39:14,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:39:15,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:39:15,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:39:15,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:39:15,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:39:15,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:39:15,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:39:15,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:39:15,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:39:15,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:39:15,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:39:15,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:39:15,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:39:15,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:39:15,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:39:15,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:39:15,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:39:15,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:39:15,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:39:15,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:39:15,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:39:15,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:39:15,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:39:15,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:39:15,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:39:15,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:39:15,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:39:15,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:39:15,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:39:15,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:39:15,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:39:15,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:39:15,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:39:15,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:39:15,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:39:15,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:39:15,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:39:15,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:39:15,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:39:15,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:39:15,091 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 [2019-09-20 16:39:15,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:39:15,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:39:15,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:39:15,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:39:15,116 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:39:15,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:39:15,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:39:15,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:39:15,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:39:15,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:39:15,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:39:15,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:39:15,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:39:15,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:39:15,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:39:15,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:39:15,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:39:15,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:39:15,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:39:15,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:39:15,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:39:15,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:39:15,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:39:15,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:39:15,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:39:15,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:39:15,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:39:15,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:39:15,123 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 [2019-09-20 16:39:15,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:39:15,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:39:15,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:39:15,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:39:15,200 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:39:15,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-20 16:39:15,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94a6a71e/1b1dad4005f64ddb9cae365ffe305c6e/FLAG4249547bc [2019-09-20 16:39:15,829 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:39:15,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-20 16:39:15,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94a6a71e/1b1dad4005f64ddb9cae365ffe305c6e/FLAG4249547bc [2019-09-20 16:39:16,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94a6a71e/1b1dad4005f64ddb9cae365ffe305c6e [2019-09-20 16:39:16,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:39:16,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:39:16,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:39:16,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:39:16,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:39:16,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3143413b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16, skipping insertion in model container [2019-09-20 16:39:16,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,141 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:39:16,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:39:16,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:39:16,665 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:39:16,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:39:16,788 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:39:16,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16 WrapperNode [2019-09-20 16:39:16,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:39:16,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:39:16,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:39:16,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:39:16,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (1/1) ... [2019-09-20 16:39:16,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:39:16,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:39:16,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:39:16,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:39:16,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:16" (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 [2019-09-20 16:39:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:39:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:39:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:39:16,925 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:39:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:39:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:39:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:39:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:39:16,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:39:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:39:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:39:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:39:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:39:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:39:16,927 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:39:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:39:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 16:39:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:39:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:39:16,928 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:39:16,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:39:16,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:39:16,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:39:16,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:39:16,929 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 16:39:16,929 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:39:16,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:39:16,930 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:39:16,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:39:16,930 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:39:16,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:39:16,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:39:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:39:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:39:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:39:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:39:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:39:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:39:16,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:39:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:39:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:39:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:39:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:39:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:39:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:39:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:39:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:39:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:39:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:39:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:39:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:39:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:39:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:39:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 16:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 16:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:39:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:39:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:39:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:39:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:39:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:39:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:39:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:39:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:39:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:39:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:39:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:39:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:39:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:39:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:39:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:39:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:39:18,477 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:39:18,478 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:39:18,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:39:18 BoogieIcfgContainer [2019-09-20 16:39:18,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:39:18,480 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:39:18,480 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:39:18,480 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:39:18,481 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:39:18" (1/1) ... [2019-09-20 16:39:18,482 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 [2019-09-20 16:39:18,507 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:39:18,507 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:39:18,519 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:39:18,529 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:39:18,531 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:39:42,107 WARN L191 SmtUtils]: Spent 14.05 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 16:39:43,979 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:39:47,780 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 16:39:48,067 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:39:48,079 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-20 16:39:48,146 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-20 16:39:48,154 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-20 16:39:49,144 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-20 16:39:49,497 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 16:39:50,531 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-20 16:39:51,059 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 16:39:51,979 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-20 16:39:52,288 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 16:39:53,300 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-20 16:39:53,638 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 16:39:54,536 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-20 16:39:55,410 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-20 16:39:55,731 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 16:39:56,716 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-20 16:39:57,062 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 16:39:58,037 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-20 16:39:58,039 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:39:58,042 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-20 16:39:58,733 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-20 16:39:58,952 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:39:58,953 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 99 for LOIs [2019-09-20 16:39:58,960 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-20 16:39:59,180 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:39:59,181 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:39:59,181 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:39:59,183 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|)) [2019-09-20 16:39:59,195 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:39:59,195 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:39:59,197 INFO L168 Benchmark]: Toolchain (without parser) took 43069.78 ms. Allocated memory was 136.3 MB in the beginning and 551.0 MB in the end (delta: 414.7 MB). Free memory was 84.7 MB in the beginning and 259.2 MB in the end (delta: -174.5 MB). Peak memory consumption was 240.2 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:59,198 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:39:59,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.43 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 84.5 MB in the beginning and 160.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:59,200 INFO L168 Benchmark]: Boogie Preprocessor took 81.50 ms. Allocated memory is still 197.7 MB. Free memory was 160.7 MB in the beginning and 157.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:59,201 INFO L168 Benchmark]: RCFGBuilder took 1607.99 ms. Allocated memory was 197.7 MB in the beginning and 218.1 MB in the end (delta: 20.4 MB). Free memory was 156.3 MB in the beginning and 141.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:59,201 INFO L168 Benchmark]: Sifa took 40715.71 ms. Allocated memory was 218.1 MB in the beginning and 551.0 MB in the end (delta: 332.9 MB). Free memory was 141.8 MB in the beginning and 259.2 MB in the end (delta: -117.3 MB). Peak memory consumption was 215.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:39:59,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.43 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 84.5 MB in the beginning and 160.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.50 ms. Allocated memory is still 197.7 MB. Free memory was 160.7 MB in the beginning and 157.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1607.99 ms. Allocated memory was 197.7 MB in the beginning and 218.1 MB in the end (delta: 20.4 MB). Free memory was 156.3 MB in the beginning and 141.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * Sifa took 40715.71 ms. Allocated memory was 218.1 MB in the beginning and 551.0 MB in the end (delta: 332.9 MB). Free memory was 141.8 MB in the beginning and 259.2 MB in the end (delta: -117.3 MB). Peak memory consumption was 215.6 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]: 40677, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 29233, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 122, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 46, TOOLS_QUANTIFIERELIM_APPLICATIONS: 228, TOOLS_QUANTIFIERELIM_TIME[ms]: 29326, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29185, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 11020, 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]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 113, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5458, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5457, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29794, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29793, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, 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...