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_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:15:14,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:15:14,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:15:14,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:15:14,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:15:14,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:15:14,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:15:14,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:15:14,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:15:14,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:15:14,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:15:14,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:15:14,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:15:14,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:15:14,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:15:14,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:15:14,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:15:14,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:15:14,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:15:14,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:15:14,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:15:14,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:15:14,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:15:14,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:15:14,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:15:14,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:15:14,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:15:14,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:15:14,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:15:14,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:15:14,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:15:14,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:15:14,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:15:14,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:15:14,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:15:14,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:15:14,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:15:14,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:15:14,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:15:14,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:15:14,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:15:14,139 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 10:15:14,164 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:15:14,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:15:14,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:15:14,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:15:14,166 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:15:14,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:15:14,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:15:14,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:15:14,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:15:14,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:15:14,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:15:14,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:15:14,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:15:14,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:15:14,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:15:14,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:15:14,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:15:14,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:15:14,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:15:14,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:15:14,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:15:14,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:15:14,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:15:14,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:15:14,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:15:14,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:15:14,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:15:14,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:15:14,173 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 10:15:14,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:15:14,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:15:14,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:15:14,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:15:14,226 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:15:14,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-17 10:15:14,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854b8bac5/3bcb6c78de0b43b59c9852372318268a/FLAGb72948acb [2019-09-17 10:15:14,844 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:15:14,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-09-17 10:15:14,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854b8bac5/3bcb6c78de0b43b59c9852372318268a/FLAGb72948acb [2019-09-17 10:15:15,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854b8bac5/3bcb6c78de0b43b59c9852372318268a [2019-09-17 10:15:15,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:15:15,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:15:15,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:15:15,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:15:15,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:15:15,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7719e1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15, skipping insertion in model container [2019-09-17 10:15:15,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,209 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:15:15,263 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:15:15,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:15:15,710 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:15:15,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:15:15,864 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:15:15,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15 WrapperNode [2019-09-17 10:15:15,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:15:15,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:15:15,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:15:15,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:15:15,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (1/1) ... [2019-09-17 10:15:15,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:15:15,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:15:15,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:15:15,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:15:15,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:15:15" (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 10:15:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:15:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:15:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:15:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:15:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:15:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:15:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:15:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:15:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:15:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:15:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:15:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:15:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:15:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:15:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:15:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:15:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:15:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:15:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:15:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:15:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:15:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:15:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:15:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:15:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:15:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:15:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:15:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:15:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:15:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:15:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:15:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:15:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:15:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:15:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:15:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:15:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:15:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 10:15:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:15:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:15:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:15:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:15:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:15:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:15:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:15:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:15:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:15:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:15:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:15:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:15:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:15:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:15:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:15:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:15:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:15:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:15:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:15:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:15:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:15:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:15:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:15:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:15:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:15:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:15:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:15:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:15:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:15:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:15:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:15:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:15:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:15:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:15:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:15:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:15:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:15:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:15:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:15:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:15:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:15:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:15:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:15:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:15:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:15:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:15:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:15:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:15:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 10:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:15:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:15:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:15:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:15:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:15:17,651 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:15:17,651 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:15:17,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:15:17 BoogieIcfgContainer [2019-09-17 10:15:17,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:15:17,653 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:15:17,654 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:15:17,654 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:15:17,655 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:15:17" (1/1) ... [2019-09-17 10:15:17,656 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 10:15:17,680 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:15:17,680 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:15:17,691 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:15:17,700 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:15:17,702 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:15:40,896 WARN L191 SmtUtils]: Spent 13.79 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:15:42,468 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:15:46,212 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:15:46,462 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:15:46,474 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-17 10:15:46,517 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-17 10:15:46,521 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-17 10:15:47,466 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:15:48,371 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:15:49,297 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:15:50,212 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-17 10:15:50,564 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:51,616 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:15:51,959 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:15:53,197 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:15:53,523 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:15:53,848 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:15:54,836 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:15:55,151 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:56,138 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:15:56,476 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:56,800 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:57,135 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:15:58,122 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:15:58,468 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:15:59,420 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:15:59,747 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:16:00,075 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:16:01,037 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:16:01,371 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:02,308 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:16:02,629 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:02,950 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:03,945 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:16:04,907 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-17 10:16:05,237 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:06,105 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:16:06,456 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:06,784 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:07,771 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:16:08,114 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:09,060 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:16:09,388 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:16:09,702 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:16:10,678 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:16:10,996 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:11,922 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:16:12,245 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:12,574 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:12,901 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:13,872 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:16:14,203 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:15,155 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-17 10:16:15,485 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:16:15,803 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:16:16,780 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:16:17,090 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:18,022 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:16:18,349 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:18,655 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:19,598 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:16:19,911 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:16:19,914 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:16:19,917 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-17 10:16:20,576 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-17 10:16:21,298 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-09-17 10:16:21,299 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 99 for LOIs [2019-09-17 10:16:21,307 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-17 10:16:21,523 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:16:21,524 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:16:21,524 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:16:21,526 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 504#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string41.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= |#t~string43.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string2.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)) [2019-09-17 10:16:21,541 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:16:21,541 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:16:21,542 INFO L168 Benchmark]: Toolchain (without parser) took 66349.05 ms. Allocated memory was 132.6 MB in the beginning and 615.5 MB in the end (delta: 482.9 MB). Free memory was 87.3 MB in the beginning and 298.4 MB in the end (delta: -211.1 MB). Peak memory consumption was 271.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:21,543 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:16:21,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.12 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.1 MB in the beginning and 163.7 MB in the end (delta: -76.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:21,545 INFO L168 Benchmark]: Boogie Preprocessor took 91.51 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 159.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:21,546 INFO L168 Benchmark]: RCFGBuilder took 1695.91 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 159.3 MB in the beginning and 140.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:21,546 INFO L168 Benchmark]: Sifa took 63887.41 ms. Allocated memory was 223.3 MB in the beginning and 615.5 MB in the end (delta: 392.2 MB). Free memory was 140.7 MB in the beginning and 298.4 MB in the end (delta: -157.8 MB). Peak memory consumption was 234.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:21,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.12 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 87.1 MB in the beginning and 163.7 MB in the end (delta: -76.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.51 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 159.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1695.91 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 159.3 MB in the beginning and 140.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * Sifa took 63887.41 ms. Allocated memory was 223.3 MB in the beginning and 615.5 MB in the end (delta: 392.2 MB). Free memory was 140.7 MB in the beginning and 298.4 MB in the end (delta: -157.8 MB). Peak memory consumption was 234.4 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]: 63847, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 330, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 213, TOOLS_POST_TIME[ms]: 28540, TOOLS_POST_CALL_APPLICATIONS: 95, TOOLS_POST_CALL_TIME[ms]: 177, TOOLS_POST_RETURN_APPLICATIONS: 88, TOOLS_POST_RETURN_TIME[ms]: 88, TOOLS_QUANTIFIERELIM_APPLICATIONS: 395, TOOLS_QUANTIFIERELIM_TIME[ms]: 28682, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28452, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 338, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 102, DOMAIN_JOIN_TIME[ms]: 34632, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 9, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME[ms]: 228, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23592, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23591, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 88, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29101, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29100, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 542, DAG_COMPRESSION_RETAINED_NODES: 283 - UnprovableResult [Line: 651]: 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 504#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string65.offset|) (<= |#t~string41.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= |#t~string43.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string2.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...