java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 18:50:52,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 18:50:52,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 18:50:52,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 18:50:52,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 18:50:52,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 18:50:52,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 18:50:52,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 18:50:52,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 18:50:52,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 18:50:52,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 18:50:52,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 18:50:52,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 18:50:52,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 18:50:52,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 18:50:52,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 18:50:52,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 18:50:52,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 18:50:52,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 18:50:52,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 18:50:52,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 18:50:52,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 18:50:52,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 18:50:52,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 18:50:52,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 18:50:52,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 18:50:52,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 18:50:52,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 18:50:52,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 18:50:52,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 18:50:52,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 18:50:52,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 18:50:52,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 18:50:52,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 18:50:52,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 18:50:52,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 18:50:52,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 18:50:52,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 18:50:52,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 18:50:52,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 18:50:52,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 18:50:52,389 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 18:50:52,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 18:50:52,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 18:50:52,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 18:50:52,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 18:50:52,405 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 18:50:52,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 18:50:52,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 18:50:52,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 18:50:52,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 18:50:52,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 18:50:52,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 18:50:52,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 18:50:52,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 18:50:52,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 18:50:52,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 18:50:52,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 18:50:52,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 18:50:52,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 18:50:52,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 18:50:52,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 18:50:52,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 18:50:52,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 18:50:52,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 18:50:52,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 18:50:52,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 18:50:52,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 18:50:52,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 18:50:52,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 18:50:52,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 18:50:52,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 18:50:52,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 18:50:52,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 18:50:52,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 18:50:52,458 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 18:50:52,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-17 18:50:52,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df9147343/280ba8203f714b4b8c2c1e78866d688b/FLAG618f0605f [2019-09-17 18:50:53,040 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 18:50:53,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-17 18:50:53,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df9147343/280ba8203f714b4b8c2c1e78866d688b/FLAG618f0605f [2019-09-17 18:50:53,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df9147343/280ba8203f714b4b8c2c1e78866d688b [2019-09-17 18:50:53,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 18:50:53,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 18:50:53,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 18:50:53,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 18:50:53,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 18:50:53,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:50:53" (1/1) ... [2019-09-17 18:50:53,359 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 17.09 06:50:53, skipping insertion in model container [2019-09-17 18:50:53,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:50:53" (1/1) ... [2019-09-17 18:50:53,367 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 18:50:53,413 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 18:50:53,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:50:53,882 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 18:50:53,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:50:54,001 INFO L192 MainTranslator]: Completed translation [2019-09-17 18:50:54,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54 WrapperNode [2019-09-17 18:50:54,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 18:50:54,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 18:50:54,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 18:50:54,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 18:50:54,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (1/1) ... [2019-09-17 18:50:54,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (1/1) ... [2019-09-17 18:50:54,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (1/1) ... [2019-09-17 18:50:54,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (1/1) ... [2019-09-17 18:50:54,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (1/1) ... [2019-09-17 18:50:54,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (1/1) ... [2019-09-17 18:50:54,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (1/1) ... [2019-09-17 18:50:54,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 18:50:54,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 18:50:54,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 18:50:54,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 18:50:54,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:50:54" (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 18:50:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 18:50:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 18:50:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 18:50:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 18:50:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 18:50:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 18:50:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 18:50:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 18:50:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 18:50:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 18:50:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 18:50:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 18:50:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 18:50:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 18:50:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 18:50:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 18:50:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 18:50:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 18:50:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 18:50:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 18:50:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 18:50:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 18:50:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 18:50:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 18:50:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 18:50:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 18:50:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 18:50:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 18:50:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 18:50:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 18:50:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 18:50:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 18:50:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 18:50:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 18:50:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 18:50:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 18:50:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 18:50:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 18:50:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 18:50:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 18:50:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 18:50:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 18:50:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 18:50:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 18:50:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 18:50:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 18:50:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 18:50:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 18:50:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 18:50:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 18:50:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 18:50:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 18:50:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 18:50:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 18:50:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 18:50:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 18:50:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 18:50:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 18:50:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 18:50:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 18:50:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 18:50:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 18:50:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 18:50:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 18:50:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 18:50:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 18:50:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 18:50:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 18:50:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 18:50:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 18:50:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 18:50:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 18:50:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 18:50:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 18:50:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 18:50:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 18:50:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 18:50:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 18:50:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 18:50:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 18:50:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 18:50:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 18:50:55,640 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 18:50:55,640 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 18:50:55,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:50:55 BoogieIcfgContainer [2019-09-17 18:50:55,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 18:50:55,642 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 18:50:55,642 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 18:50:55,643 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 18:50:55,644 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:50:55" (1/1) ... [2019-09-17 18:50:55,645 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 18:50:55,672 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 18:50:55,672 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 18:50:55,681 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 18:50:55,691 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 18:50:55,692 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 18:51:18,101 WARN L191 SmtUtils]: Spent 13.51 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 18:51:19,867 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 18:51:23,578 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 18:51:25,313 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 18:51:27,019 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 18:51:27,320 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 18:51:31,753 WARN L191 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 490 DAG size of output: 434 [2019-09-17 18:51:31,769 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 438 for LOIs [2019-09-17 18:51:31,872 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 438 for LOIs [2019-09-17 18:51:31,896 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 438 for LOIs [2019-09-17 18:51:43,746 WARN L191 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 463 DAG size of output: 459 [2019-09-17 18:51:49,523 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-17 18:51:49,896 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 18:52:03,150 WARN L191 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 510 DAG size of output: 470 [2019-09-17 18:52:20,791 WARN L191 SmtUtils]: Spent 17.19 s on a formula simplification. DAG size of input: 490 DAG size of output: 484 [2019-09-17 18:52:26,460 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 18:52:26,810 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 18:52:38,227 WARN L191 SmtUtils]: Spent 11.42 s on a formula simplification. DAG size of input: 502 DAG size of output: 484 [2019-09-17 18:52:44,807 WARN L191 SmtUtils]: Spent 6.56 s on a formula simplification that was a NOOP. DAG size: 501 [2019-09-17 18:52:51,377 WARN L191 SmtUtils]: Spent 6.57 s on a formula simplification that was a NOOP. DAG size: 501 [2019-09-17 18:53:05,272 WARN L191 SmtUtils]: Spent 13.88 s on a formula simplification. DAG size of input: 520 DAG size of output: 502 [2019-09-17 18:53:20,135 WARN L191 SmtUtils]: Spent 14.79 s on a formula simplification. DAG size of input: 518 DAG size of output: 504 [2019-09-17 18:53:27,401 WARN L191 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 504 [2019-09-17 18:53:27,735 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 18:53:43,232 WARN L191 SmtUtils]: Spent 15.50 s on a formula simplification. DAG size of input: 525 DAG size of output: 502 [2019-09-17 18:53:52,564 WARN L191 SmtUtils]: Spent 9.27 s on a formula simplification. DAG size of input: 505 DAG size of output: 479 [2019-09-17 18:53:54,930 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-17 18:53:55,353 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 18:54:00,345 WARN L191 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 497 DAG size of output: 478 [2019-09-17 18:54:10,980 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 507 DAG size of output: 498 [2019-09-17 18:54:16,238 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 498 [2019-09-17 18:54:27,570 WARN L191 SmtUtils]: Spent 11.32 s on a formula simplification. DAG size of input: 515 DAG size of output: 497 [2019-09-17 18:54:53,315 WARN L191 SmtUtils]: Spent 25.69 s on a formula simplification. DAG size of input: 513 DAG size of output: 504 [2019-09-17 18:55:00,884 WARN L191 SmtUtils]: Spent 7.57 s on a formula simplification that was a NOOP. DAG size: 504 [2019-09-17 18:55:01,220 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 18:55:17,902 WARN L191 SmtUtils]: Spent 16.68 s on a formula simplification. DAG size of input: 523 DAG size of output: 500 [2019-09-17 18:55:28,589 WARN L191 SmtUtils]: Spent 10.64 s on a formula simplification. DAG size of input: 507 DAG size of output: 481 [2019-09-17 18:55:31,413 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-17 18:55:31,763 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 18:55:37,580 WARN L191 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 498 DAG size of output: 480 [2019-09-17 18:56:00,813 WARN L191 SmtUtils]: Spent 23.08 s on a formula simplification. DAG size of input: 509 DAG size of output: 503 [2019-09-17 18:56:08,355 WARN L191 SmtUtils]: Spent 7.54 s on a formula simplification that was a NOOP. DAG size: 503 [2019-09-17 18:56:08,665 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 18:56:24,739 WARN L191 SmtUtils]: Spent 16.07 s on a formula simplification. DAG size of input: 520 DAG size of output: 504 [2019-09-17 18:56:35,997 WARN L191 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 521 DAG size of output: 484 [2019-09-17 18:56:38,156 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 18:56:38,499 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 18:56:45,744 WARN L191 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 501 DAG size of output: 478 [2019-09-17 18:56:52,647 WARN L191 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 485 DAG size of output: 478 [2019-09-17 18:56:54,951 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-17 18:56:55,266 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 18:57:00,111 WARN L191 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 496 DAG size of output: 478 [2019-09-17 18:57:08,429 WARN L191 SmtUtils]: Spent 8.29 s on a formula simplification. DAG size of input: 518 DAG size of output: 482 [2019-09-17 18:57:10,688 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 18:57:15,576 WARN L191 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 496 DAG size of output: 480 [2019-09-17 18:57:22,647 WARN L191 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 491 DAG size of output: 483 [2019-09-17 18:57:24,976 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-17 18:57:25,314 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 18:57:32,490 WARN L191 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 501 DAG size of output: 478 [2019-09-17 18:57:39,451 WARN L191 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 485 DAG size of output: 478 [2019-09-17 18:57:41,764 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 478 [2019-09-17 18:57:42,096 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 18:57:46,945 WARN L191 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 496 DAG size of output: 478 [2019-09-17 18:57:51,630 WARN L191 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 483 DAG size of output: 482 [2019-09-17 18:57:53,964 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-17 18:57:54,909 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2019-09-17 18:57:59,781 WARN L191 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 498 DAG size of output: 482 [2019-09-17 18:58:17,116 WARN L191 SmtUtils]: Spent 17.26 s on a formula simplification. DAG size of input: 513 DAG size of output: 501 [2019-09-17 18:58:22,877 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 501 [2019-09-17 18:58:23,162 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-17 18:58:36,366 WARN L191 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 518 DAG size of output: 497 [2019-09-17 18:58:50,981 WARN L191 SmtUtils]: Spent 14.54 s on a formula simplification. DAG size of input: 523 DAG size of output: 484 [2019-09-17 18:58:53,621 WARN L191 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 18:58:53,954 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 18:59:00,716 WARN L191 SmtUtils]: Spent 6.76 s on a formula simplification. DAG size of input: 500 DAG size of output: 485 [2019-09-17 18:59:15,143 WARN L191 SmtUtils]: Spent 14.43 s on a formula simplification. DAG size of input: 523 DAG size of output: 484 [2019-09-17 18:59:17,770 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 18:59:18,086 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 18:59:24,959 WARN L191 SmtUtils]: Spent 6.87 s on a formula simplification. DAG size of input: 500 DAG size of output: 485 [2019-09-17 18:59:39,357 WARN L191 SmtUtils]: Spent 14.40 s on a formula simplification. DAG size of input: 523 DAG size of output: 484 [2019-09-17 18:59:41,977 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 18:59:42,299 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 18:59:49,023 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 500 DAG size of output: 485 [2019-09-17 19:00:03,564 WARN L191 SmtUtils]: Spent 14.54 s on a formula simplification. DAG size of input: 523 DAG size of output: 484 [2019-09-17 19:00:06,190 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 19:00:06,508 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 19:00:13,496 WARN L191 SmtUtils]: Spent 6.99 s on a formula simplification. DAG size of input: 500 DAG size of output: 485 [2019-09-17 19:00:28,053 WARN L191 SmtUtils]: Spent 14.56 s on a formula simplification. DAG size of input: 523 DAG size of output: 484 [2019-09-17 19:00:30,714 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 484 [2019-09-17 19:00:31,032 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 19:00:37,801 WARN L191 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 500 DAG size of output: 485 [2019-09-17 19:00:48,561 WARN L191 SmtUtils]: Spent 10.72 s on a formula simplification. DAG size of input: 493 DAG size of output: 480 [2019-09-17 19:00:53,556 WARN L191 SmtUtils]: Spent 4.99 s on a formula simplification that was a NOOP. DAG size: 480 [2019-09-17 19:00:53,874 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:01:03,915 WARN L191 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 496 DAG size of output: 480 [2019-09-17 19:01:22,360 WARN L191 SmtUtils]: Spent 18.42 s on a formula simplification. DAG size of input: 489 DAG size of output: 481 [2019-09-17 19:01:28,398 WARN L191 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-17 19:01:28,726 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:01:39,624 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 497 DAG size of output: 481 [2019-09-17 19:01:53,432 WARN L191 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 490 DAG size of output: 483 [2019-09-17 19:01:56,440 WARN L191 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-17 19:02:00,435 WARN L191 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 497 DAG size of output: 483 [2019-09-17 19:02:11,177 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 493 DAG size of output: 485 [2019-09-17 19:02:16,071 WARN L191 SmtUtils]: Spent 4.89 s on a formula simplification that was a NOOP. DAG size: 485 [2019-09-17 19:02:16,392 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:02:31,385 WARN L191 SmtUtils]: Spent 14.99 s on a formula simplification. DAG size of input: 501 DAG size of output: 480 [2019-09-17 19:02:46,178 WARN L191 SmtUtils]: Spent 14.77 s on a formula simplification. DAG size of input: 489 DAG size of output: 481 [2019-09-17 19:02:51,114 WARN L191 SmtUtils]: Spent 4.94 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-17 19:02:51,441 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:03:02,398 WARN L191 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 497 DAG size of output: 481 [2019-09-17 19:03:12,382 WARN L191 SmtUtils]: Spent 9.97 s on a formula simplification. DAG size of input: 508 DAG size of output: 503 [2019-09-17 19:03:17,522 WARN L191 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 503 [2019-09-17 19:03:17,805 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-17 19:03:28,609 WARN L191 SmtUtils]: Spent 10.80 s on a formula simplification. DAG size of input: 518 DAG size of output: 504 [2019-09-17 19:03:49,627 WARN L191 SmtUtils]: Spent 21.01 s on a formula simplification. DAG size of input: 514 DAG size of output: 513 [2019-09-17 19:04:00,131 WARN L191 SmtUtils]: Spent 10.50 s on a formula simplification that was a NOOP. DAG size: 513 [2019-09-17 19:04:00,422 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 122