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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:58:06,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:58:06,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:58:06,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:58:06,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:58:06,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:58:06,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:58:06,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:58:06,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:58:06,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:58:06,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:58:06,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:58:06,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:58:06,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:58:06,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:58:06,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:58:06,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:58:06,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:58:06,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:58:06,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:58:06,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:58:06,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:58:06,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:58:06,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:58:06,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:58:06,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:58:06,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:58:06,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:58:06,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:58:06,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:58:06,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:58:06,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:58:06,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:58:06,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:58:06,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:58:06,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:58:06,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:58:06,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:58:06,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:58:06,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:58:06,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:58:06,140 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 [2019-10-15 06:58:06,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:58:06,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:58:06,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:58:06,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:58:06,179 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:58:06,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:58:06,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:58:06,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:58:06,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:58:06,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:58:06,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:58:06,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:58:06,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:58:06,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:58:06,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:58:06,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:58:06,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:58:06,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:58:06,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:58:06,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:58:06,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:58:06,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:58:06,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:58:06,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:58:06,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:58:06,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:58:06,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:58:06,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:58:06,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:58:06,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:58:06,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:58:06,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:58:06,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:58:06,522 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:58:06,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-10-15 06:58:06,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c66850e8b/6479ef901f074a929252720bc9747901/FLAG586186ac3 [2019-10-15 06:58:07,138 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:58:07,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-10-15 06:58:07,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c66850e8b/6479ef901f074a929252720bc9747901/FLAG586186ac3 [2019-10-15 06:58:07,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c66850e8b/6479ef901f074a929252720bc9747901 [2019-10-15 06:58:07,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:58:07,429 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:58:07,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:58:07,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:58:07,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:58:07,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:58:07" (1/1) ... [2019-10-15 06:58:07,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d974c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:07, skipping insertion in model container [2019-10-15 06:58:07,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:58:07" (1/1) ... [2019-10-15 06:58:07,444 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:58:07,493 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:58:07,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:58:07,981 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:58:08,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:58:08,150 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:58:08,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08 WrapperNode [2019-10-15 06:58:08,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:58:08,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:58:08,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:58:08,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:58:08,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (1/1) ... [2019-10-15 06:58:08,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (1/1) ... [2019-10-15 06:58:08,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (1/1) ... [2019-10-15 06:58:08,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (1/1) ... [2019-10-15 06:58:08,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (1/1) ... [2019-10-15 06:58:08,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (1/1) ... [2019-10-15 06:58:08,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (1/1) ... [2019-10-15 06:58:08,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:58:08,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:58:08,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:58:08,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:58:08,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:08" (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 [2019-10-15 06:58:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:58:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:58:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:58:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:58:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:58:08,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:58:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:58:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:58:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:58:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:58:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:58:08,320 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:58:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:58:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:58:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:58:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 06:58:08,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:58:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:58:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:58:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:58:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:58:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:58:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:58:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:58:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:58:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:58:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:58:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:58:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:58:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:58:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 06:58:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:58:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 06:58:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:58:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:58:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:58:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:58:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:58:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:58:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:58:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:58:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:58:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:58:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:58:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:58:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:58:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:58:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:58:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:58:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:58:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:58:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:58:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:58:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:58:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:58:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:58:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:58:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:58:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:58:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:58:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:58:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:58:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:58:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:58:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 06:58:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:58:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:58:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:58:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:58:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:58:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 06:58:08,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:58:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:58:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 06:58:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:58:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:58:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:58:08,331 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:58:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:58:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:58:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:58:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:58:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:58:08,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:58:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:58:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:58:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:58:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:58:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:58:08,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:58:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:58:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:58:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:58:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:58:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:58:08,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:58:09,906 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:58:09,906 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:58:09,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:58:09 BoogieIcfgContainer [2019-10-15 06:58:09,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:58:09,908 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:58:09,909 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:58:09,909 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:58:09,910 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:58:09" (1/1) ... [2019-10-15 06:58:09,911 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 06:58:09,946 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:58:09,946 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:58:09,962 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:58:09,976 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:58:09,978 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:58:21,151 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:58:23,116 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:58:23,293 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:23,431 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:23,562 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:23,851 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:58:23,870 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:58:23,924 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:58:23,931 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:58:24,169 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:58:24,338 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:58:24,942 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:58:25,478 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:58:25,677 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 06:58:26,137 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-10-15 06:58:26,276 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 191 [2019-10-15 06:58:27,099 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 06:58:27,320 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 06:58:27,556 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-10-15 06:58:27,809 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 06:58:27,994 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:58:28,521 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 06:58:29,130 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:58:29,841 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 191 [2019-10-15 06:58:31,285 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 06:58:31,515 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 06:58:31,722 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 06:58:31,893 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:58:31,895 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-15 06:58:32,157 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-15 06:58:32,165 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-15 06:58:32,237 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:58:32,249 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:58:32,249 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:58:32,251 INFO L168 Benchmark]: Toolchain (without parser) took 24821.65 ms. Allocated memory was 138.4 MB in the beginning and 678.4 MB in the end (delta: 540.0 MB). Free memory was 100.7 MB in the beginning and 603.1 MB in the end (delta: -502.4 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:32,253 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 06:58:32,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.61 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.5 MB in the beginning and 167.9 MB in the end (delta: -67.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:32,254 INFO L168 Benchmark]: Boogie Preprocessor took 87.69 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:32,255 INFO L168 Benchmark]: RCFGBuilder took 1667.89 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 163.2 MB in the beginning and 145.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:32,256 INFO L168 Benchmark]: Sifa took 22340.79 ms. Allocated memory was 234.4 MB in the beginning and 678.4 MB in the end (delta: 444.1 MB). Free memory was 145.7 MB in the beginning and 603.1 MB in the end (delta: -457.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:58:32,260 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.61 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.5 MB in the beginning and 167.9 MB in the end (delta: -67.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.69 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1667.89 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 163.2 MB in the beginning and 145.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Sifa took 22340.79 ms. Allocated memory was 234.4 MB in the beginning and 678.4 MB in the end (delta: 444.1 MB). Free memory was 145.7 MB in the beginning and 603.1 MB in the end (delta: -457.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 22291, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 249, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 162, TOOLS_POST_TIME[ms]: 13308, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 159, TOOLS_POST_RETURN_APPLICATIONS: 63, TOOLS_POST_RETURN_TIME[ms]: 90, TOOLS_QUANTIFIERELIM_APPLICATIONS: 294, TOOLS_QUANTIFIERELIM_TIME[ms]: 13443, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13221, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 253, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 7857, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 530, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 51, DOMAIN_ISBOTTOM_TIME[ms]: 165, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5045, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5044, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 63, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13978, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13978, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 424, DAG_COMPRESSION_RETAINED_NODES: 228 - UnprovableResult [Line: 602]: 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 802#(and (<= |#t~string58.offset| 0) (= |#t~string61.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 ~waterLevel~0) (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= |#NULL.base| 0) (= |#t~string18.offset| 0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (= |#t~string12.offset| 0) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string22.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...