java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --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 [2019-09-18 13:37:09,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 13:37:09,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 13:37:09,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 13:37:09,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 13:37:09,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 13:37:09,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 13:37:09,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 13:37:09,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 13:37:09,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 13:37:09,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 13:37:09,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 13:37:09,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 13:37:09,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 13:37:09,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 13:37:09,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 13:37:09,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 13:37:09,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 13:37:09,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 13:37:09,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 13:37:09,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 13:37:09,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 13:37:09,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 13:37:09,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 13:37:09,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 13:37:09,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 13:37:09,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 13:37:09,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 13:37:09,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 13:37:09,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 13:37:09,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 13:37:09,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 13:37:09,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 13:37:09,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 13:37:09,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 13:37:09,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 13:37:09,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 13:37:09,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 13:37:09,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 13:37:09,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 13:37:09,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 13:37:09,395 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 [2019-09-18 13:37:09,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 13:37:09,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 13:37:09,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 13:37:09,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 13:37:09,411 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 13:37:09,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 13:37:09,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 13:37:09,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 13:37:09,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 13:37:09,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 13:37:09,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 13:37:09,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 13:37:09,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 13:37:09,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 13:37:09,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 13:37:09,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 13:37:09,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 13:37:09,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 13:37:09,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 13:37:09,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 13:37:09,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 13:37:09,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:37:09,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 13:37:09,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 13:37:09,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 13:37:09,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 13:37:09,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 13:37:09,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 13:37:09,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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 [2019-09-18 13:37:09,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 13:37:09,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 13:37:09,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 13:37:09,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 13:37:09,463 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 13:37:09,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-18 13:37:09,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697233f6e/c3e36350ab134840aa744b2715e32e07/FLAGdd9336ff7 [2019-09-18 13:37:10,054 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 13:37:10,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-18 13:37:10,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697233f6e/c3e36350ab134840aa744b2715e32e07/FLAGdd9336ff7 [2019-09-18 13:37:10,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697233f6e/c3e36350ab134840aa744b2715e32e07 [2019-09-18 13:37:10,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 13:37:10,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 13:37:10,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 13:37:10,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 13:37:10,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 13:37:10,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:37:10" (1/1) ... [2019-09-18 13:37:10,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:10, skipping insertion in model container [2019-09-18 13:37:10,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:37:10" (1/1) ... [2019-09-18 13:37:10,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 13:37:10,441 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 13:37:10,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:37:10,917 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 13:37:11,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:37:11,037 INFO L192 MainTranslator]: Completed translation [2019-09-18 13:37:11,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11 WrapperNode [2019-09-18 13:37:11,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 13:37:11,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 13:37:11,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 13:37:11,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 13:37:11,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (1/1) ... [2019-09-18 13:37:11,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (1/1) ... [2019-09-18 13:37:11,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (1/1) ... [2019-09-18 13:37:11,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (1/1) ... [2019-09-18 13:37:11,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (1/1) ... [2019-09-18 13:37:11,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (1/1) ... [2019-09-18 13:37:11,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (1/1) ... [2019-09-18 13:37:11,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 13:37:11,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 13:37:11,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 13:37:11,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 13:37:11,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:37:11" (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 [2019-09-18 13:37:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 13:37:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 13:37:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 13:37:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 13:37:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 13:37:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 13:37:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 13:37:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 13:37:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 13:37:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 13:37:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 13:37:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 13:37:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 13:37:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 13:37:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 13:37:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 13:37:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 13:37:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 13:37:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 13:37:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 13:37:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 13:37:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 13:37:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 13:37:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 13:37:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 13:37:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 13:37:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 13:37:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 13:37:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 13:37:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 13:37:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 13:37:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 13:37:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 13:37:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 13:37:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 13:37:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 13:37:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 13:37:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 13:37:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 13:37:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 13:37:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 13:37:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 13:37:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 13:37:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 13:37:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 13:37:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 13:37:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 13:37:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 13:37:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 13:37:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 13:37:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 13:37:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 13:37:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 13:37:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 13:37:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 13:37:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 13:37:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 13:37:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 13:37:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 13:37:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 13:37:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 13:37:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 13:37:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 13:37:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 13:37:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 13:37:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 13:37:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 13:37:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 13:37:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 13:37:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 13:37:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 13:37:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 13:37:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 13:37:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 13:37:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 13:37:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 13:37:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 13:37:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 13:37:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 13:37:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 13:37:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 13:37:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 13:37:12,329 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 13:37:12,330 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 13:37:12,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:37:12 BoogieIcfgContainer [2019-09-18 13:37:12,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 13:37:12,333 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 13:37:12,333 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 13:37:12,333 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 13:37:12,335 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:37:12" (1/1) ... [2019-09-18 13:37:12,335 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-18 13:37:12,374 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 13:37:12,375 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 13:37:12,388 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 13:37:12,399 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 13:37:12,400 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 13:37:13,037 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-18 13:37:13,211 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-18 13:37:13,540 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-18 13:37:13,778 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-18 13:37:14,208 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2019-09-18 13:37:14,625 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 119 [2019-09-18 13:37:15,194 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2019-09-18 13:37:15,732 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2019-09-18 13:37:16,422 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 163 [2019-09-18 13:37:17,143 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 162 [2019-09-18 13:37:18,131 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 182 [2019-09-18 13:37:18,880 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 177 [2019-09-18 13:37:20,178 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 219 DAG size of output: 201 [2019-09-18 13:37:21,117 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 198 [2019-09-18 13:37:22,623 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 260 DAG size of output: 211 [2019-09-18 13:37:23,694 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 208 [2019-09-18 13:37:25,729 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 310 DAG size of output: 244 [2019-09-18 13:37:27,001 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 279 DAG size of output: 239 [2019-09-18 13:37:29,461 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 331 DAG size of output: 271 [2019-09-18 13:37:29,671 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 13:37:31,114 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 319 DAG size of output: 272 [2019-09-18 13:37:31,529 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 13:37:34,163 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 360 DAG size of output: 289 [2019-09-18 13:37:35,869 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 333 DAG size of output: 286 [2019-09-18 13:37:36,470 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 13:37:39,430 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 375 DAG size of output: 308 [2019-09-18 13:37:41,287 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 341 DAG size of output: 303 [2019-09-18 13:37:42,134 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 13:37:45,720 WARN L191 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 422 DAG size of output: 317 [2019-09-18 13:37:47,716 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 367 DAG size of output: 312 [2019-09-18 13:37:48,753 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-18 13:37:53,012 WARN L191 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 490 DAG size of output: 326 [2019-09-18 13:37:55,080 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 376 DAG size of output: 321 [2019-09-18 13:37:56,419 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-09-18 13:38:01,384 WARN L191 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 539 DAG size of output: 334 [2019-09-18 13:38:01,667 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 13:38:03,674 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 390 DAG size of output: 331 [2019-09-18 13:38:05,314 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2019-09-18 13:38:11,285 WARN L191 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 645 DAG size of output: 344 [2019-09-18 13:38:11,600 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 13:38:13,745 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 405 DAG size of output: 341 [2019-09-18 13:38:15,885 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-18 13:38:22,976 WARN L191 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 703 DAG size of output: 354 [2019-09-18 13:38:23,306 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 13:38:25,619 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 409 DAG size of output: 351 [2019-09-18 13:38:28,154 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 13:38:36,898 WARN L191 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 755 DAG size of output: 364 [2019-09-18 13:38:37,306 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 13:38:39,835 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 436 DAG size of output: 363 [2019-09-18 13:38:42,950 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 557 [2019-09-18 13:38:52,687 WARN L191 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 824 DAG size of output: 376 [2019-09-18 13:38:53,110 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 13:38:55,812 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 433 DAG size of output: 375 [2019-09-18 13:38:59,631 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 631 [2019-09-18 13:39:11,909 WARN L191 SmtUtils]: Spent 12.26 s on a formula simplification. DAG size of input: 881 DAG size of output: 389 [2019-09-18 13:39:12,336 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 13:39:15,199 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 456 DAG size of output: 384 [2019-09-18 13:39:19,938 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 717 [2019-09-18 13:39:33,557 WARN L191 SmtUtils]: Spent 13.60 s on a formula simplification. DAG size of input: 889 DAG size of output: 397 [2019-09-18 13:39:34,093 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 13:39:37,303 WARN L191 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 480 DAG size of output: 398 [2019-09-18 13:39:43,012 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 795 [2019-09-18 13:39:59,095 WARN L191 SmtUtils]: Spent 16.06 s on a formula simplification. DAG size of input: 1040 DAG size of output: 411 [2019-09-18 13:39:59,658 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 13:40:03,063 WARN L191 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 490 DAG size of output: 412 [2019-09-18 13:40:09,797 WARN L191 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 877 [2019-09-18 13:40:29,143 WARN L191 SmtUtils]: Spent 19.32 s on a formula simplification. DAG size of input: 1136 DAG size of output: 425 [2019-09-18 13:40:29,702 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 13:40:33,257 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 510 DAG size of output: 422 [2019-09-18 13:40:34,892 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 13:40:36,565 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 13:40:36,577 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 426 for LOIs [2019-09-18 13:40:36,627 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 426 for LOIs [2019-09-18 13:40:36,631 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 426 for LOIs [2019-09-18 13:40:47,188 WARN L191 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:40:52,328 WARN L191 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:41:02,608 WARN L191 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:41:07,703 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:41:17,946 WARN L191 SmtUtils]: Spent 10.24 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:41:23,039 WARN L191 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:41:33,375 WARN L191 SmtUtils]: Spent 10.34 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:41:38,429 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:41:48,809 WARN L191 SmtUtils]: Spent 10.38 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 13:41:53,917 WARN L191 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 13:42:09,887 WARN L191 SmtUtils]: Spent 15.92 s on a formula simplification. DAG size of input: 457 DAG size of output: 447 [2019-09-18 13:42:15,117 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 13:42:28,774 WARN L191 SmtUtils]: Spent 13.65 s on a formula simplification. DAG size of input: 459 DAG size of output: 453 [2019-09-18 13:42:34,028 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:42:44,918 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 461 DAG size of output: 456 [2019-09-18 13:42:50,221 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:42:55,525 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:43:00,810 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:43:17,852 WARN L191 SmtUtils]: Spent 17.01 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-18 13:43:18,254 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 13:43:18,686 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-18 13:43:18,937 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-18 13:43:19,147 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-18 13:43:19,379 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-18 13:43:19,943 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-18 13:43:25,261 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 13:43:25,645 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 13:43:41,635 WARN L191 SmtUtils]: Spent 15.70 s on a formula simplification. DAG size of input: 457 DAG size of output: 447 [2019-09-18 13:43:46,859 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 13:44:00,565 WARN L191 SmtUtils]: Spent 13.70 s on a formula simplification. DAG size of input: 459 DAG size of output: 453 [2019-09-18 13:44:05,807 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:44:16,736 WARN L191 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 461 DAG size of output: 456 [2019-09-18 13:44:21,971 WARN L191 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:44:27,329 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:44:32,588 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:44:49,556 WARN L191 SmtUtils]: Spent 16.95 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-18 13:44:49,947 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 13:44:50,352 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-18 13:44:50,535 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-18 13:44:50,751 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-18 13:44:50,987 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-18 13:44:51,927 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-18 13:44:52,129 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-18 13:44:52,355 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-18 13:44:52,576 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-18 13:44:52,937 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-09-18 13:44:53,094 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-09-18 13:44:53,228 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-09-18 13:44:53,490 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-18 13:44:53,730 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-18 13:45:09,614 WARN L191 SmtUtils]: Spent 15.80 s on a formula simplification. DAG size of input: 457 DAG size of output: 447 [2019-09-18 13:45:14,790 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 13:45:28,525 WARN L191 SmtUtils]: Spent 13.73 s on a formula simplification. DAG size of input: 459 DAG size of output: 453 [2019-09-18 13:45:33,699 WARN L191 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:45:44,448 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 461 DAG size of output: 456 [2019-09-18 13:45:49,755 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:45:54,985 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:46:00,279 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:46:17,217 WARN L191 SmtUtils]: Spent 16.93 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-18 13:46:17,611 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 13:46:18,011 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-18 13:46:34,199 WARN L191 SmtUtils]: Spent 15.90 s on a formula simplification. DAG size of input: 457 DAG size of output: 447 [2019-09-18 13:46:39,419 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 13:46:53,084 WARN L191 SmtUtils]: Spent 13.66 s on a formula simplification. DAG size of input: 459 DAG size of output: 453 [2019-09-18 13:46:58,330 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 13:47:08,933 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification. DAG size of input: 461 DAG size of output: 456 [2019-09-18 13:47:14,221 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 13:47:19,536 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:47:24,868 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 13:47:41,859 WARN L191 SmtUtils]: Spent 16.98 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-18 13:47:42,267 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-18 13:47:42,670 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-18 13:47:42,856 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-18 13:47:43,079 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-18 13:47:43,295 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-18 13:47:43,733 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-18 13:47:44,054 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-18 13:47:44,161 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-18 13:47:44,164 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 12 for LOIs [2019-09-18 13:47:44,203 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 13:47:44,203 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 13:47:44,205 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1079#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-18 13:47:44,221 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 13:47:44,221 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 13:47:44,224 INFO L168 Benchmark]: Toolchain (without parser) took 633851.02 ms. Allocated memory was 133.2 MB in the beginning and 150.5 MB in the end (delta: 17.3 MB). Free memory was 86.4 MB in the beginning and 98.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-18 13:47:44,234 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-18 13:47:44,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.64 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.2 MB in the beginning and 166.7 MB in the end (delta: -80.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-18 13:47:44,235 INFO L168 Benchmark]: Boogie Preprocessor took 84.46 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 162.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-18 13:47:44,236 INFO L168 Benchmark]: RCFGBuilder took 1209.40 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 162.4 MB in the beginning and 181.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-09-18 13:47:44,236 INFO L168 Benchmark]: Sifa took 631888.75 ms. Allocated memory was 225.4 MB in the beginning and 150.5 MB in the end (delta: -75.0 MB). Free memory was 181.2 MB in the beginning and 98.9 MB in the end (delta: 82.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-09-18 13:47:44,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.64 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.2 MB in the beginning and 166.7 MB in the end (delta: -80.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.46 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 162.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.40 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 162.4 MB in the beginning and 181.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * Sifa took 631888.75 ms. Allocated memory was 225.4 MB in the beginning and 150.5 MB in the end (delta: -75.0 MB). Free memory was 181.2 MB in the beginning and 98.9 MB in the end (delta: 82.2 MB). Peak memory consumption was 7.2 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]: 631831, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 713, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 612, TOOLS_POST_TIME[ms]: 200967, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 181, TOOLS_POST_RETURN_APPLICATIONS: 71, TOOLS_POST_RETURN_TIME[ms]: 75, TOOLS_QUANTIFIERELIM_APPLICATIONS: 762, TOOLS_QUANTIFIERELIM_TIME[ms]: 201012, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30193, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 732, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 136, DOMAIN_JOIN_TIME[ms]: 361153, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 68713, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 77, DOMAIN_ISBOTTOM_APPLICATIONS: 90, DOMAIN_ISBOTTOM_TIME[ms]: 463, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 342009, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 342008, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 71, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 204329, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 204328, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 892, DAG_COMPRESSION_RETAINED_NODES: 460 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1079#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...