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_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:19:53,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:19:53,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:19:53,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:19:53,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:19:53,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:19:53,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:19:53,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:19:53,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:19:53,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:19:53,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:19:53,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:19:53,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:19:53,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:19:53,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:19:53,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:19:53,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:19:53,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:19:53,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:19:53,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:19:53,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:19:53,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:19:53,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:19:53,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:19:53,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:19:53,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:19:53,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:19:53,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:19:53,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:19:53,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:19:53,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:19:53,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:19:53,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:19:53,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:19:53,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:19:53,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:19:53,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:19:53,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:19:53,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:19:53,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:19:53,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:19:53,274 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 10:19:53,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:19:53,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:19:53,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:19:53,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:19:53,291 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:19:53,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:19:53,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:19:53,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:19:53,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:19:53,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:19:53,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:19:53,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:19:53,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:19:53,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:19:53,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:19:53,293 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:19:53,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:19:53,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:19:53,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:19:53,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:19:53,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:19:53,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:19:53,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:19:53,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:19:53,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:19:53,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:19:53,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:19:53,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:19:53,296 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 10:19:53,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:19:53,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:19:53,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:19:53,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:19:53,358 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:19:53,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2019-09-17 10:19:53,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fa09ceb/e9ebbb4bd69d4ffc95f11e8ddf3e3d38/FLAGe751746dc [2019-09-17 10:19:54,019 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:19:54,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2019-09-17 10:19:54,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fa09ceb/e9ebbb4bd69d4ffc95f11e8ddf3e3d38/FLAGe751746dc [2019-09-17 10:19:54,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fa09ceb/e9ebbb4bd69d4ffc95f11e8ddf3e3d38 [2019-09-17 10:19:54,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:19:54,283 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:19:54,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:19:54,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:19:54,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:19:54,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:19:54" (1/1) ... [2019-09-17 10:19:54,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cca2c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:54, skipping insertion in model container [2019-09-17 10:19:54,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:19:54" (1/1) ... [2019-09-17 10:19:54,299 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:19:54,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:19:54,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:19:54,889 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:19:54,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:19:55,020 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:19:55,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55 WrapperNode [2019-09-17 10:19:55,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:19:55,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:19:55,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:19:55,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:19:55,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (1/1) ... [2019-09-17 10:19:55,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:19:55,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:19:55,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:19:55,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:19:55,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:19:55" (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 10:19:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:19:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:19:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:19:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:19:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:19:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:19:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:19:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:19:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:19:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:19:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:19:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:19:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:19:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:19:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:19:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:19:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:19:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:19:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:19:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:19:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:19:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:19:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:19:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:19:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:19:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:19:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:19:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:19:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:19:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:19:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 10:19:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:19:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:19:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:19:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:19:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:19:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:19:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:19:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:19:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:19:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:19:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:19:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:19:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:19:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:19:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:19:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:19:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:19:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:19:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:19:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:19:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:19:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:19:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:19:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:19:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:19:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:19:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:19:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:19:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:19:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:19:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:19:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:19:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:19:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:19:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:19:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:19:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:19:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:19:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:19:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:19:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 10:19:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:19:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:19:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:19:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:19:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:19:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:19:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:19:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:19:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:19:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:19:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:19:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:19:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:19:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:19:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:19:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:19:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:19:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:19:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:19:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:19:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:19:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:19:56,925 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:19:56,926 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:19:56,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:19:56 BoogieIcfgContainer [2019-09-17 10:19:56,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:19:56,928 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:19:56,928 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:19:56,928 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:19:56,930 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:19:56" (1/1) ... [2019-09-17 10:19:56,930 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 10:19:56,959 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:19:56,959 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:19:56,975 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:19:56,986 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:19:56,992 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:20:21,812 WARN L191 SmtUtils]: Spent 13.95 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 10:20:23,717 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:20:27,721 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 10:20:28,006 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 10:20:28,018 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 119 for LOIs [2019-09-17 10:20:28,076 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 119 for LOIs [2019-09-17 10:20:28,097 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 119 for LOIs [2019-09-17 10:20:29,167 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:20:30,203 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:20:31,178 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:20:32,161 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:20:33,181 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:20:33,553 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:20:34,641 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2019-09-17 10:20:35,953 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:20:37,043 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:37,429 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:20:37,792 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:20:38,883 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2019-09-17 10:20:40,040 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:20:41,105 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:41,471 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:20:41,826 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:20:42,981 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:20:43,367 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:20:44,454 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:20:45,575 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:20:46,694 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:20:47,065 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:47,444 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:48,544 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:20:49,656 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:20:50,789 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:20:51,171 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:51,548 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:51,927 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:20:53,107 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:20:53,483 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:20:54,693 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:20:55,812 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:20:56,939 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:20:57,309 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:57,687 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:20:58,775 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:20:59,884 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:21:00,999 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:21:01,381 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:01,761 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:02,143 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:21:03,240 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:21:03,613 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:21:04,726 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2019-09-17 10:21:05,773 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:21:06,801 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:07,155 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:07,499 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:08,516 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2019-09-17 10:21:09,583 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:21:10,609 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:10,971 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:11,316 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:12,488 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:21:12,851 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:21:13,916 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:14,990 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:21:16,047 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:21:16,406 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:16,772 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:17,837 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:18,900 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:21:19,969 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:21:20,337 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:20,709 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:21,076 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:21:22,147 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:21:22,517 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:21:23,565 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:24,616 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:21:25,662 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:21:26,025 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:26,387 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:27,449 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:28,506 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:21:29,561 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:21:29,928 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:30,293 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:30,657 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:21:31,738 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:21:32,109 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:21:33,156 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:34,226 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:21:35,271 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:21:35,633 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:35,997 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:37,055 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:38,226 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:21:39,356 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:21:39,732 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:40,099 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:41,212 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:42,308 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:21:42,684 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:21:43,796 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2019-09-17 10:21:44,897 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:21:45,952 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:46,316 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:46,675 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:47,711 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2019-09-17 10:21:48,778 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:21:49,817 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:50,186 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:50,551 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:51,621 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 147 [2019-09-17 10:21:52,677 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 147 [2019-09-17 10:21:53,036 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:21:53,400 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:21:54,455 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2019-09-17 10:21:55,493 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2019-09-17 10:21:55,856 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:21:56,944 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2019-09-17 10:21:58,009 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:21:59,077 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:21:59,440 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:21:59,796 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:22:00,832 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2019-09-17 10:22:01,890 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:22:02,970 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:03,332 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:22:03,687 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:22:04,783 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:22:05,160 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:22:06,257 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:22:07,374 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:22:08,454 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:22:08,830 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:09,198 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:10,265 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:22:11,347 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:22:12,439 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:22:12,798 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:13,167 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:13,544 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:22:14,630 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-17 10:22:14,994 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:22:16,049 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:22:17,123 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:22:18,183 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:22:18,535 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:18,904 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:19,976 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2019-09-17 10:22:21,025 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 10:22:22,087 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 10:22:22,451 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:22,813 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:23,199 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 10:22:24,201 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-17 10:22:25,188 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-17 10:22:25,547 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:22:26,566 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2019-09-17 10:22:27,589 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:22:28,601 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:22:28,939 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:22:29,284 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:22:30,317 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 10:22:30,663 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:22:30,665 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:22:30,668 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 110 for LOIs [2019-09-17 10:22:31,351 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-17 10:22:32,029 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-09-17 10:22:32,694 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2019-09-17 10:22:32,696 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 104 for LOIs [2019-09-17 10:22:32,700 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 104 for LOIs [2019-09-17 10:22:32,922 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 10:22:32,923 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:22:32,923 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:22:32,925 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 987#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string39.offset| 0) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= |#t~string41.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string3.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|)) [2019-09-17 10:22:32,939 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:22:32,940 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:22:32,941 INFO L168 Benchmark]: Toolchain (without parser) took 158658.57 ms. Allocated memory was 140.5 MB in the beginning and 210.2 MB in the end (delta: 69.7 MB). Free memory was 87.2 MB in the beginning and 126.0 MB in the end (delta: -38.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:22:32,942 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:22:32,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.90 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 87.0 MB in the beginning and 165.9 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:22:32,943 INFO L168 Benchmark]: Boogie Preprocessor took 94.09 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 161.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-17 10:22:32,944 INFO L168 Benchmark]: RCFGBuilder took 1811.87 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 161.7 MB in the beginning and 148.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:22:32,944 INFO L168 Benchmark]: Sifa took 156011.84 ms. Allocated memory was 225.4 MB in the beginning and 210.2 MB in the end (delta: -15.2 MB). Free memory was 148.1 MB in the beginning and 126.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:22:32,947 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.90 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 87.0 MB in the beginning and 165.9 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.09 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 161.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1811.87 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 161.7 MB in the beginning and 148.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 156011.84 ms. Allocated memory was 225.4 MB in the beginning and 210.2 MB in the end (delta: -15.2 MB). Free memory was 148.1 MB in the beginning and 126.0 MB in the end (delta: 22.1 MB). Peak memory consumption was 6.9 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]: 155966, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 660, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 462, TOOLS_POST_TIME[ms]: 30855, TOOLS_POST_CALL_APPLICATIONS: 154, TOOLS_POST_CALL_TIME[ms]: 274, TOOLS_POST_RETURN_APPLICATIONS: 147, TOOLS_POST_RETURN_TIME[ms]: 135, TOOLS_QUANTIFIERELIM_APPLICATIONS: 762, TOOLS_QUANTIFIERELIM_TIME[ms]: 31042, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30644, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 689, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 208, DOMAIN_JOIN_TIME[ms]: 123969, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 26, DOMAIN_ISSUBSETEQ_APPLICATIONS: 29, DOMAIN_ISSUBSETEQ_TIME[ms]: 77, DOMAIN_ISBOTTOM_APPLICATIONS: 126, DOMAIN_ISBOTTOM_TIME[ms]: 394, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 102572, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 102571, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 29, CALL_SUMMARIZER_APPLICATIONS: 147, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31272, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31270, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 591, DAG_COMPRESSION_RETAINED_NODES: 311 - UnprovableResult [Line: 547]: 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 987#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string39.offset| 0) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= |#t~string41.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string3.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...