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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:53:43,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:53:43,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:53:43,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:53:43,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:53:43,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:53:43,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:53:43,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:53:43,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:53:43,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:53:43,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:53:43,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:53:43,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:53:43,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:53:43,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:53:43,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:53:43,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:53:43,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:53:43,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:53:43,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:53:43,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:53:43,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:53:43,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:53:43,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:53:43,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:53:43,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:53:43,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:53:43,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:53:43,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:53:43,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:53:43,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:53:43,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:53:43,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:53:43,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:53:43,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:53:43,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:53:43,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:53:43,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:53:43,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:53:43,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:53:43,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:53:43,250 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 [2019-09-25 17:53:43,265 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:53:43,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:53:43,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:53:43,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:53:43,270 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:53:43,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:53:43,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:53:43,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:53:43,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:53:43,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:53:43,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:53:43,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:53:43,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:53:43,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:53:43,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:53:43,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:53:43,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:53:43,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:53:43,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:53:43,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:53:43,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:53:43,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:53:43,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:53:43,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:53:43,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:53:43,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:53:43,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:53:43,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:53:43,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:53:43,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:53:43,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:53:43,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:53:43,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:53:43,361 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:53:43,363 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-09-25 17:53:43,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83e46217a/e80593e55ab74d1186bb7a83323b559c/FLAG0e8bc45de [2019-09-25 17:53:44,014 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:53:44,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-09-25 17:53:44,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83e46217a/e80593e55ab74d1186bb7a83323b559c/FLAG0e8bc45de [2019-09-25 17:53:44,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83e46217a/e80593e55ab74d1186bb7a83323b559c [2019-09-25 17:53:44,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:53:44,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:53:44,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:53:44,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:53:44,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:53:44,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:44,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb6c977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44, skipping insertion in model container [2019-09-25 17:53:44,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:44,267 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:53:44,324 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:53:44,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:53:44,805 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:53:44,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:53:44,953 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:53:44,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44 WrapperNode [2019-09-25 17:53:44,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:53:44,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:53:44,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:53:44,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:53:44,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:44,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:44,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:44,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:45,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:45,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:45,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (1/1) ... [2019-09-25 17:53:45,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:53:45,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:53:45,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:53:45,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:53:45,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:53:44" (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 [2019-09-25 17:53:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:53:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:53:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:53:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:53:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:53:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:53:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:53:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:53:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:53:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:53:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:53:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:53:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:53:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:53:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:53:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:53:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:53:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:53:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:53:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 17:53:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:53:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:53:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:53:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:53:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:53:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:53:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:53:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:53:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:53:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:53:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:53:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:53:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:53:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:53:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:53:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:53:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:53:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:53:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:53:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:53:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:53:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 17:53:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:53:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:53:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:53:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:53:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:53:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:53:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:53:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:53:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:53:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:53:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:53:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:53:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:53:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:53:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:53:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:53:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-25 17:53:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:53:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:53:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:53:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:53:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:53:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:53:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:53:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 17:53:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:53:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:53:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:53:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:53:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:53:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:53:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:53:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:53:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:53:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:53:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:53:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:53:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:53:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:53:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:53:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:53:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:53:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:53:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:53:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-25 17:53:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-25 17:53:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:53:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:53:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:53:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:53:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 17:53:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:53:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:53:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:53:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:53:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:53:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:53:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:53:46,827 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:53:46,827 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:53:46,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:53:46 BoogieIcfgContainer [2019-09-25 17:53:46,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:53:46,830 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:53:46,830 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:53:46,830 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:53:46,832 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:53:46" (1/1) ... [2019-09-25 17:53:46,832 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:53:46,855 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:53:46,856 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:53:46,870 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:53:46,881 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:53:46,883 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:53:57,251 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:53:59,108 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:53:59,259 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:53:59,411 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:53:59,549 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:53:59,573 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-09-25 17:53:59,632 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-09-25 17:53:59,650 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-09-25 17:53:59,816 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 17:53:59,959 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-09-25 17:54:00,415 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:54:00,803 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:54:01,175 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:54:01,749 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-09-25 17:54:02,568 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:54:03,285 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 533 [2019-09-25 17:54:04,184 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:54:04,504 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 75 for LOIs [2019-09-25 17:54:04,717 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 75 for LOIs [2019-09-25 17:54:04,815 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 63 for LOIs [2019-09-25 17:54:04,822 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:54:04,832 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:54:04,832 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:54:04,835 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 468#(and (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string7.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string39.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0)) [2019-09-25 17:54:04,853 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:54:04,853 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:54:04,855 INFO L168 Benchmark]: Toolchain (without parser) took 20600.65 ms. Allocated memory was 131.6 MB in the beginning and 518.0 MB in the end (delta: 386.4 MB). Free memory was 85.5 MB in the beginning and 232.5 MB in the end (delta: -146.9 MB). Peak memory consumption was 239.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:04,857 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:54:04,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.92 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.3 MB in the beginning and 163.2 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:04,865 INFO L168 Benchmark]: Boogie Preprocessor took 104.98 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:04,871 INFO L168 Benchmark]: RCFGBuilder took 1769.58 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 158.7 MB in the beginning and 135.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:04,871 INFO L168 Benchmark]: Sifa took 18023.91 ms. Allocated memory was 220.7 MB in the beginning and 518.0 MB in the end (delta: 297.3 MB). Free memory was 135.1 MB in the beginning and 232.5 MB in the end (delta: -97.4 MB). Peak memory consumption was 199.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:54:04,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.92 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.3 MB in the beginning and 163.2 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.98 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1769.58 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 158.7 MB in the beginning and 135.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * Sifa took 18023.91 ms. Allocated memory was 220.7 MB in the beginning and 518.0 MB in the end (delta: 297.3 MB). Free memory was 135.1 MB in the beginning and 232.5 MB in the end (delta: -97.4 MB). Peak memory consumption was 199.9 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]: 17980, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 208, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 138, TOOLS_POST_TIME[ms]: 12393, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 188, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 98, TOOLS_QUANTIFIERELIM_APPLICATIONS: 255, TOOLS_QUANTIFIERELIM_TIME[ms]: 12566, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12314, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 212, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 69, DOMAIN_JOIN_TIME[ms]: 4924, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 72, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 120, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 840, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 840, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12840, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12839, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 424, DAG_COMPRESSION_RETAINED_NODES: 224 - UnprovableResult [Line: 44]: 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 468#(and (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string7.offset| 0) (= |#t~string42.offset| 0) (= |#t~string34.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string39.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (<= ~waterLevel~0 2147483647) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~head~0.offset 0) (= |#t~string41.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (not (= 2 ~waterLevel~0)) (= |#t~string11.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string5.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...