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_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:15:10,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:15:10,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:15:10,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:15:10,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:15:10,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:15:10,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:15:10,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:15:10,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:15:10,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:15:10,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:15:10,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:15:10,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:15:10,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:15:10,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:15:10,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:15:10,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:15:10,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:15:10,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:15:10,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:15:10,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:15:10,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:15:10,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:15:10,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:15:10,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:15:10,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:15:10,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:15:10,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:15:10,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:15:10,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:15:10,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:15:10,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:15:10,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:15:10,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:15:10,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:15:10,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:15:10,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:15:10,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:15:10,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:15:10,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:15:10,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:15:10,338 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 [2019-09-21 09:15:10,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:15:10,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:15:10,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:15:10,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:15:10,365 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:15:10,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:15:10,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:15:10,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:15:10,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:15:10,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:15:10,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:15:10,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:15:10,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:15:10,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:15:10,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:15:10,369 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:15:10,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:15:10,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:15:10,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:15:10,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:15:10,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:15:10,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:15:10,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:15:10,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:15:10,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:15:10,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:15:10,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:15:10,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:15:10,372 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_QUICK [2019-09-21 09:15:10,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:15:10,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:15:10,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:15:10,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:15:10,466 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:15:10,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-21 09:15:10,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aeb8ebfd/d2cf445cda6b48ffa39e873ea01471f8/FLAGc57836987 [2019-09-21 09:15:11,002 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:15:11,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-09-21 09:15:11,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aeb8ebfd/d2cf445cda6b48ffa39e873ea01471f8/FLAGc57836987 [2019-09-21 09:15:11,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aeb8ebfd/d2cf445cda6b48ffa39e873ea01471f8 [2019-09-21 09:15:11,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:15:11,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:15:11,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:15:11,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:15:11,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:15:11,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:15:11" (1/1) ... [2019-09-21 09:15:11,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:11, skipping insertion in model container [2019-09-21 09:15:11,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:15:11" (1/1) ... [2019-09-21 09:15:11,397 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:15:11,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:15:12,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:15:12,018 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:15:12,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:15:12,148 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:15:12,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12 WrapperNode [2019-09-21 09:15:12,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:15:12,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:15:12,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:15:12,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:15:12,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (1/1) ... [2019-09-21 09:15:12,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (1/1) ... [2019-09-21 09:15:12,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (1/1) ... [2019-09-21 09:15:12,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (1/1) ... [2019-09-21 09:15:12,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (1/1) ... [2019-09-21 09:15:12,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (1/1) ... [2019-09-21 09:15:12,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (1/1) ... [2019-09-21 09:15:12,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:15:12,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:15:12,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:15:12,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:15:12,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:12" (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 [2019-09-21 09:15:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:15:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:15:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:15:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:15:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:15:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:15:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:15:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:15:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:15:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:15:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:15:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:15:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:15:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:15:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:15:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:15:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 09:15:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:15:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:15:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:15:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:15:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:15:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 09:15:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:15:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:15:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:15:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:15:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:15:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:15:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 09:15:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:15:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 09:15:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 09:15:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:15:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:15:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:15:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:15:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:15:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:15:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:15:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:15:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:15:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:15:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:15:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:15:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:15:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:15:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:15:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:15:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 09:15:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:15:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:15:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:15:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:15:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:15:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:15:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:15:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:15:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:15:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:15:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 09:15:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:15:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:15:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:15:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 09:15:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:15:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:15:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 09:15:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 09:15:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:15:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:15:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:15:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:15:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:15:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:15:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:15:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:15:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:15:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:15:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:15:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:15:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:15:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:15:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:15:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:15:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:15:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:15:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:15:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:15:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:15:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:15:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:15:13,888 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:15:13,888 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:15:13,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:15:13 BoogieIcfgContainer [2019-09-21 09:15:13,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:15:13,891 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:15:13,891 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:15:13,891 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:15:13,892 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:15:13" (1/1) ... [2019-09-21 09:15:13,893 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:15:13,921 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:15:13,921 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:15:13,932 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:15:13,945 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:15:13,946 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:15:24,541 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 09:15:26,237 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:15:26,376 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:15:26,456 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-21 09:15:26,505 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-21 09:15:26,515 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-21 09:15:27,683 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:15:27,692 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 110 for LOIs [2019-09-21 09:15:27,739 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 104 for LOIs [2019-09-21 09:15:27,756 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 104 for LOIs [2019-09-21 09:15:27,770 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:15:27,770 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:15:27,772 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 281#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string35.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string16.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string68.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)) [2019-09-21 09:15:27,793 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:15:27,795 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:15:27,799 INFO L168 Benchmark]: Toolchain (without parser) took 16416.08 ms. Allocated memory was 137.4 MB in the beginning and 352.3 MB in the end (delta: 215.0 MB). Free memory was 84.0 MB in the beginning and 211.0 MB in the end (delta: -127.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:27,800 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-21 09:15:27,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.84 ms. Allocated memory was 137.4 MB in the beginning and 196.1 MB in the end (delta: 58.7 MB). Free memory was 83.8 MB in the beginning and 162.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:27,805 INFO L168 Benchmark]: Boogie Preprocessor took 83.87 ms. Allocated memory is still 196.1 MB. Free memory was 162.5 MB in the beginning and 157.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:27,813 INFO L168 Benchmark]: RCFGBuilder took 1655.92 ms. Allocated memory was 196.1 MB in the beginning and 216.0 MB in the end (delta: 19.9 MB). Free memory was 157.9 MB in the beginning and 140.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:27,814 INFO L168 Benchmark]: Sifa took 13904.64 ms. Allocated memory was 216.0 MB in the beginning and 352.3 MB in the end (delta: 136.3 MB). Free memory was 140.7 MB in the beginning and 211.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:27,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.84 ms. Allocated memory was 137.4 MB in the beginning and 196.1 MB in the end (delta: 58.7 MB). Free memory was 83.8 MB in the beginning and 162.5 MB in the end (delta: -78.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.87 ms. Allocated memory is still 196.1 MB. Free memory was 162.5 MB in the beginning and 157.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1655.92 ms. Allocated memory was 196.1 MB in the beginning and 216.0 MB in the end (delta: 19.9 MB). Free memory was 157.9 MB in the beginning and 140.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 96.3 MB. Max. memory is 7.1 GB. * Sifa took 13904.64 ms. Allocated memory was 216.0 MB in the beginning and 352.3 MB in the end (delta: 136.3 MB). Free memory was 140.7 MB in the beginning and 211.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 66.1 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]: 13851, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 183, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 12456, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 121, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 216, TOOLS_QUANTIFIERELIM_TIME[ms]: 12557, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12373, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 187, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 60, DOMAIN_JOIN_TIME[ms]: 927, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 9, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 99, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 861, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 860, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12534, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12533, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 404, DAG_COMPRESSION_RETAINED_NODES: 182 - UnprovableResult [Line: 518]: 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 281#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string35.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string16.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string14.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string68.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...