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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:29:27,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:29:27,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:29:27,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:29:27,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:29:27,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:29:27,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:29:27,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:29:27,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:29:27,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:29:27,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:29:27,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:29:27,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:29:27,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:29:27,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:29:27,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:29:27,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:29:27,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:29:27,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:29:27,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:29:27,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:29:27,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:29:27,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:29:27,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:29:27,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:29:27,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:29:27,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:29:27,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:29:27,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:29:27,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:29:27,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:29:27,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:29:27,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:29:27,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:29:27,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:29:27,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:29:27,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:29:27,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:29:27,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:29:27,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:29:27,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:29:27,243 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 10:29:27,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:29:27,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:29:27,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:29:27,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:29:27,260 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:29:27,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:29:27,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:29:27,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:29:27,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:29:27,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:29:27,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:29:27,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:29:27,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:29:27,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:29:27,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:29:27,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:29:27,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:29:27,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:29:27,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:29:27,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:29:27,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:29:27,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:29:27,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:29:27,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:29:27,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:29:27,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:29:27,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:29:27,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:29:27,265 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 10:29:27,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:29:27,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:29:27,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:29:27,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:29:27,337 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:29:27,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-17 10:29:27,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10d6f9a6/39629e0e75804384982ab84123a52f3f/FLAGe42960496 [2019-09-17 10:29:27,961 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:29:27,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product53.cil.c [2019-09-17 10:29:27,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10d6f9a6/39629e0e75804384982ab84123a52f3f/FLAGe42960496 [2019-09-17 10:29:28,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10d6f9a6/39629e0e75804384982ab84123a52f3f [2019-09-17 10:29:28,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:29:28,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:29:28,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:29:28,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:29:28,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:29:28,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:28,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d74bca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28, skipping insertion in model container [2019-09-17 10:29:28,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:28,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:29:28,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:29:28,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:29:28,777 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:29:28,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:29:28,962 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:29:28,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28 WrapperNode [2019-09-17 10:29:28,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:29:28,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:29:28,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:29:28,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:29:28,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:28,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:29,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:29,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:29,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:29,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:29,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (1/1) ... [2019-09-17 10:29:29,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:29:29,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:29:29,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:29:29,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:29:29,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:29:28" (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 10:29:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:29:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:29:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:29:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:29:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:29:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:29:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:29:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:29:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:29:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:29:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:29:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:29:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:29:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:29:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:29:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:29:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:29:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:29:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:29:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:29:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:29:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:29:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:29:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:29:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:29:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:29:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:29:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:29:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:29:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:29:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:29:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:29:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:29:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:29:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:29:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:29:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:29:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:29:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:29:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:29:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:29:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:29:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:29:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:29:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:29:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:29:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:29:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:29:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:29:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:29:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:29:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:29:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:29:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:29:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:29:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:29:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:29:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:29:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:29:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:29:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:29:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:29:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:29:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:29:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:29:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:29:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:29:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:29:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:29:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:29:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:29:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:29:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:29:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:29:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:29:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:29:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:29:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:29:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:29:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:29:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:29:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:29:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:29:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:29:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:29:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:29:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:29:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:29:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:29:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:29:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:29:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:29:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:29:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:29:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:29:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:29:30,806 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:29:30,807 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:29:30,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:29:30 BoogieIcfgContainer [2019-09-17 10:29:30,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:29:30,809 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:29:30,809 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:29:30,810 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:29:30,811 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:29:30" (1/1) ... [2019-09-17 10:29:30,812 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 10:29:30,855 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:29:30,859 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:29:30,871 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:29:30,883 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:29:30,884 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:29:56,129 WARN L191 SmtUtils]: Spent 14.66 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:29:57,757 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:30:01,434 WARN L191 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:30:01,708 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:30:01,723 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-17 10:30:01,778 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-17 10:30:01,782 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-17 10:30:02,714 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-17 10:30:03,893 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:04,711 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-17 10:30:05,692 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:06,584 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-17 10:30:07,397 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-17 10:30:08,216 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-17 10:30:09,029 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2019-09-17 10:30:09,402 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:10,308 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:11,202 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:12,088 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:13,014 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:13,319 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:13,659 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:14,559 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:15,472 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:16,388 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:17,294 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:17,606 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:17,948 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:18,872 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:19,795 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:20,724 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:21,555 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:30:21,900 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:22,822 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:23,747 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:24,642 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:25,543 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:25,848 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:26,152 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:27,051 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:27,963 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:28,906 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:29,798 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:30,100 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:30,424 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:31,346 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:32,267 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:33,145 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:33,989 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:30:34,425 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:35,366 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:36,290 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:37,179 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:38,081 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:38,392 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:38,717 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:39,606 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:40,517 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:41,415 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:42,319 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:42,617 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:42,944 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:43,838 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:44,760 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:45,648 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:46,543 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:46,842 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:47,185 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:48,073 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:48,969 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:49,873 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:30:50,762 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:30:51,067 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:30:51,356 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-17 10:30:51,653 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 10:30:51,943 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-17 10:30:52,240 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 10:30:52,245 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:30:52,248 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-17 10:30:52,890 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-17 10:30:53,120 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:30:53,121 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 100 for LOIs [2019-09-17 10:30:53,125 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 100 for LOIs [2019-09-17 10:30:53,335 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:30:53,336 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:30:53,336 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:30:53,339 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 734#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-17 10:30:53,349 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:30:53,350 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:30:53,351 INFO L168 Benchmark]: Toolchain (without parser) took 85076.53 ms. Allocated memory was 133.7 MB in the beginning and 547.9 MB in the end (delta: 414.2 MB). Free memory was 88.9 MB in the beginning and 118.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 384.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:30:53,352 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:30:53,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.78 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.7 MB in the beginning and 163.4 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:30:53,354 INFO L168 Benchmark]: Boogie Preprocessor took 98.90 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 159.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:30:53,355 INFO L168 Benchmark]: RCFGBuilder took 1745.40 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 137.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:30:53,356 INFO L168 Benchmark]: Sifa took 82540.71 ms. Allocated memory was 226.0 MB in the beginning and 547.9 MB in the end (delta: 321.9 MB). Free memory was 137.6 MB in the beginning and 118.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 340.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:30:53,360 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 133.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.78 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.7 MB in the beginning and 163.4 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.90 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 159.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1745.40 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 159.0 MB in the beginning and 137.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Sifa took 82540.71 ms. Allocated memory was 226.0 MB in the beginning and 547.9 MB in the end (delta: 321.9 MB). Free memory was 137.6 MB in the beginning and 118.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 340.9 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]: 82484, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 519, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 341, TOOLS_POST_TIME[ms]: 30653, TOOLS_POST_CALL_APPLICATIONS: 130, TOOLS_POST_CALL_TIME[ms]: 406, TOOLS_POST_RETURN_APPLICATIONS: 123, TOOLS_POST_RETURN_TIME[ms]: 109, TOOLS_QUANTIFIERELIM_APPLICATIONS: 593, TOOLS_QUANTIFIERELIM_TIME[ms]: 30993, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30470, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 549, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 123, DOMAIN_JOIN_TIME[ms]: 50795, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 15, DOMAIN_WIDEN_TIME[ms]: 46, DOMAIN_ISSUBSETEQ_APPLICATIONS: 30, DOMAIN_ISSUBSETEQ_TIME[ms]: 91, DOMAIN_ISBOTTOM_APPLICATIONS: 59, DOMAIN_ISBOTTOM_TIME[ms]: 182, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 44208, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44207, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 30, CALL_SUMMARIZER_APPLICATIONS: 123, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31049, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31048, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 496, DAG_COMPRESSION_RETAINED_NODES: 272 - UnprovableResult [Line: 750]: 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 734#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...