./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a2d3ce20e3d26ebf70024607ecab77b852f9995 .................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:16:10,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:16:10,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:16:10,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:16:10,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:16:10,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:16:10,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:16:10,254 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:16:10,255 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:16:10,256 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:16:10,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:16:10,258 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:16:10,259 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:16:10,260 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:16:10,261 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:16:10,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:16:10,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:16:10,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:16:10,267 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:16:10,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:16:10,270 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:16:10,271 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:16:10,273 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:16:10,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:16:10,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:16:10,275 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:16:10,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:16:10,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:16:10,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:16:10,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:16:10,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:16:10,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:16:10,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:16:10,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:16:10,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:16:10,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:16:10,283 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:16:10,299 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:16:10,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:16:10,304 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:16:10,304 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:16:10,304 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:16:10,304 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:16:10,305 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:16:10,305 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:16:10,305 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:16:10,305 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:16:10,305 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:16:10,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:16:10,306 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:16:10,308 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:16:10,309 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:16:10,309 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:16:10,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:16:10,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:16:10,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:16:10,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:16:10,310 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:16:10,310 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:16:10,310 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:16:10,310 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:16:10,310 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:16:10,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:16:10,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:16:10,311 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:16:10,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:16:10,311 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:16:10,311 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:16:10,314 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:16:10,314 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a2d3ce20e3d26ebf70024607ecab77b852f9995 [2019-01-14 04:16:10,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:16:10,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:16:10,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:16:10,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:16:10,377 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:16:10,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2019-01-14 04:16:10,429 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cf0ad9a/98b9272bf6d246b495ca46d792ca1f6b/FLAG846d9bcab [2019-01-14 04:16:10,951 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:16:10,952 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2019-01-14 04:16:10,980 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cf0ad9a/98b9272bf6d246b495ca46d792ca1f6b/FLAG846d9bcab [2019-01-14 04:16:11,209 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68cf0ad9a/98b9272bf6d246b495ca46d792ca1f6b [2019-01-14 04:16:11,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:16:11,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:16:11,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:16:11,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:16:11,219 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:16:11,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:11,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2ce30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11, skipping insertion in model container [2019-01-14 04:16:11,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:11,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:16:11,289 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:16:11,718 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:16:11,742 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:16:11,913 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:16:11,953 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:16:11,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11 WrapperNode [2019-01-14 04:16:11,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:16:11,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:16:11,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:16:11,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:16:11,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:11,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:16:12,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:16:12,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:16:12,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:16:12,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (1/1) ... [2019-01-14 04:16:12,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:16:12,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:16:12,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:16:12,073 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:16:12,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:16:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:16:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:16:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:16:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:16:13,261 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:16:13,262 INFO L286 CfgBuilder]: Removed 114 assue(true) statements. [2019-01-14 04:16:13,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:16:13 BoogieIcfgContainer [2019-01-14 04:16:13,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:16:13,264 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:16:13,264 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:16:13,268 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:16:13,269 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:16:13,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:16:11" (1/3) ... [2019-01-14 04:16:13,270 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ae2db6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:16:13, skipping insertion in model container [2019-01-14 04:16:13,270 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:16:13,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:11" (2/3) ... [2019-01-14 04:16:13,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ae2db6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:16:13, skipping insertion in model container [2019-01-14 04:16:13,271 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:16:13,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:16:13" (3/3) ... [2019-01-14 04:16:13,273 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2019-01-14 04:16:13,329 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:16:13,330 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:16:13,330 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:16:13,330 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:16:13,331 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:16:13,331 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:16:13,331 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:16:13,331 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:16:13,331 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:16:13,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2019-01-14 04:16:13,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-01-14 04:16:13,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:13,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:13,386 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:13,386 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:16:13,386 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:16:13,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2019-01-14 04:16:13,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-01-14 04:16:13,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:13,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:13,395 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:13,395 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:16:13,401 INFO L794 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 23#L870true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 32#L878true main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 37#L834true assume 0 != main_~tmp~7; 13#L808true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L900-1true [2019-01-14 04:16:13,402 INFO L796 eck$LassoCheckResult]: Loop: 34#L900-1true assume !false; 58#L421true assume test_~splverifierCounter~0 < 4; 72#L422true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 76#L430true assume !(0 != test_~tmp~3); 77#L430-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 61#L440true assume !(0 != test_~tmp___0~0); 64#L440-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 39#L450true assume 0 != test_~tmp___2~0; 85#L456-2true assume !(0 != ~pumpRunning~0); 66#L586true assume !(0 != ~systemActive~0); 55#L593true havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 47#L523-1true __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 29#L900true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 34#L900-1true [2019-01-14 04:16:13,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:13,408 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:16:13,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:13,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:13,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:13,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:13,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:14,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:14,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1681191230, now seen corresponding path program 1 times [2019-01-14 04:16:14,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:14,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:14,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:14,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:14,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:14,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:14,310 INFO L82 PathProgramCache]: Analyzing trace with hash 33087708, now seen corresponding path program 1 times [2019-01-14 04:16:14,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:14,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:14,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:14,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:14,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:16:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:16:14,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:16:14,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:16:14,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:16:14,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:16:14,779 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 6 states. [2019-01-14 04:16:14,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:16:14,982 INFO L93 Difference]: Finished difference Result 84 states and 115 transitions. [2019-01-14 04:16:14,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 04:16:14,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 115 transitions. [2019-01-14 04:16:14,992 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-01-14 04:16:14,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 77 states and 108 transitions. [2019-01-14 04:16:15,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 77 [2019-01-14 04:16:15,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2019-01-14 04:16:15,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 108 transitions. [2019-01-14 04:16:15,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:16:15,002 INFO L706 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2019-01-14 04:16:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 108 transitions. [2019-01-14 04:16:15,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-01-14 04:16:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-14 04:16:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2019-01-14 04:16:15,034 INFO L729 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2019-01-14 04:16:15,034 INFO L609 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2019-01-14 04:16:15,034 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:16:15,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 108 transitions. [2019-01-14 04:16:15,036 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-01-14 04:16:15,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:15,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:15,037 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:15,038 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:16:15,038 INFO L794 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 197#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 198#L870 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 227#L878 main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 235#L834 assume 0 != main_~tmp~7; 211#L808 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 212#L900-1 [2019-01-14 04:16:15,038 INFO L796 eck$LassoCheckResult]: Loop: 212#L900-1 assume !false; 236#L421 assume test_~splverifierCounter~0 < 4; 253#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 261#L430 assume !(0 != test_~tmp~3); 251#L430-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 255#L440 assume !(0 != test_~tmp___0~0); 256#L440-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 240#L450 assume 0 != test_~tmp___2~0; 241#L456-2 assume !(0 != ~pumpRunning~0); 223#L586 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 245#L618 assume !(0 == ~pumpRunning~0); 233#L593 havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 246#L523-1 __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 228#L900 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 212#L900-1 [2019-01-14 04:16:15,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:15,039 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:16:15,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:15,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:15,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:15,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:15,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:15,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:15,381 INFO L82 PathProgramCache]: Analyzing trace with hash -619089829, now seen corresponding path program 1 times [2019-01-14 04:16:15,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:15,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:15,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:15,383 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:16:15,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:16:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:16:15,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:16:15,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:16:15,439 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:16:15,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:16:15,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:16:15,439 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. cyclomatic complexity: 33 Second operand 3 states. [2019-01-14 04:16:15,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:16:15,653 INFO L93 Difference]: Finished difference Result 118 states and 159 transitions. [2019-01-14 04:16:15,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:16:15,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 159 transitions. [2019-01-14 04:16:15,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2019-01-14 04:16:15,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 118 states and 159 transitions. [2019-01-14 04:16:15,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 118 [2019-01-14 04:16:15,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 118 [2019-01-14 04:16:15,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 118 states and 159 transitions. [2019-01-14 04:16:15,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:16:15,662 INFO L706 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2019-01-14 04:16:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states and 159 transitions. [2019-01-14 04:16:15,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-01-14 04:16:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-01-14 04:16:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 159 transitions. [2019-01-14 04:16:15,671 INFO L729 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2019-01-14 04:16:15,671 INFO L609 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2019-01-14 04:16:15,671 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:16:15,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 159 transitions. [2019-01-14 04:16:15,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2019-01-14 04:16:15,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:15,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:15,674 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:15,674 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:16:15,674 INFO L794 eck$LassoCheckResult]: Stem: 453#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 398#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 399#L870 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 421#L878 main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 432#L834 assume 0 != main_~tmp~7; 406#L808 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 407#L900-1 [2019-01-14 04:16:15,674 INFO L796 eck$LassoCheckResult]: Loop: 407#L900-1 assume !false; 436#L421 assume test_~splverifierCounter~0 < 4; 458#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 467#L430 assume !(0 != test_~tmp~3); 456#L430-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 461#L440 assume !(0 != test_~tmp___0~0); 462#L440-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 440#L450 assume 0 != test_~tmp___2~0; 441#L456-2 assume !(0 != ~pumpRunning~0); 465#L586 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 449#L618 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 404#L563 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 405#L568 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 389#L738 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 390#L738-2 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 393#L744 processEnvironment_#t~ret49 := isHighWaterLevel_#res;processEnvironment_~tmp~4 := processEnvironment_#t~ret49;havoc processEnvironment_#t~ret49; 433#L622 assume !(0 != processEnvironment_~tmp~4); 434#L593 havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 450#L523-1 __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 428#L900 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 407#L900-1 [2019-01-14 04:16:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:15,675 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-14 04:16:15,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:15,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:15,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:15,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:15,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:16,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:16,010 INFO L82 PathProgramCache]: Analyzing trace with hash -21695257, now seen corresponding path program 1 times [2019-01-14 04:16:16,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:16,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:16,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:16,012 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:16:16,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:16,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:16,038 INFO L82 PathProgramCache]: Analyzing trace with hash -6983283, now seen corresponding path program 1 times [2019-01-14 04:16:16,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:16,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:16,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:16,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:16,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:17,437 WARN L181 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-01-14 04:16:17,707 WARN L181 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-01-14 04:16:40,619 WARN L181 SmtUtils]: Spent 22.90 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:16:52,685 WARN L181 SmtUtils]: Spent 12.07 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:16:52,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:16:52 BoogieIcfgContainer [2019-01-14 04:16:52,768 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:16:52,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:16:52,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:16:52,772 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:16:52,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:16:13" (3/4) ... [2019-01-14 04:16:52,776 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:16:52,869 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:16:52,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:16:52,870 INFO L168 Benchmark]: Toolchain (without parser) took 41657.01 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 947.3 MB in the beginning and 853.9 MB in the end (delta: 93.5 MB). Peak memory consumption was 420.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,871 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:16:52,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:16:52,873 INFO L168 Benchmark]: Boogie Preprocessor took 39.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:16:52,873 INFO L168 Benchmark]: RCFGBuilder took 1191.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,876 INFO L168 Benchmark]: BuchiAutomizer took 39506.84 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 865.2 MB in the end (delta: 203.1 MB). Peak memory consumption was 408.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,876 INFO L168 Benchmark]: Witness Printer took 98.39 ms. Allocated memory is still 1.4 GB. Free memory was 865.2 MB in the beginning and 853.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1191.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39506.84 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 865.2 MB in the end (delta: 203.1 MB). Peak memory consumption was 408.4 MB. Max. memory is 11.5 GB. * Witness Printer took 98.39 ms. Allocated memory is still 1.4 GB. Free memory was 865.2 MB in the beginning and 853.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 38.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 118 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 216 SDtfs, 529 SDslu, 50 SDs, 0 SdLazy, 29 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 420]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=-8, NULL=0, NULL=0, NULL=0, NULL=-16, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fad50b6=0, NULL=0, NULL=0, NULL=-24, NULL=0, retValue_acc=0, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, tmp=0, NULL=0, retValue_acc=0, NULL=0, tmp___1=0, NULL=-10, NULL=-25, tmp___0=0, NULL=-5, NULL=-21, cleanupTimeShifts=4, NULL=-18, NULL=-19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d00f4ab=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b865f0e=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@162da8a=0, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b881915=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62919d4a=0, retValue_acc=0, \result=0, NULL=-12, tmp___0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ddd456f=0, NULL=0, NULL=0, \result=1, NULL=-13, head=0, pumpRunning=0, NULL=-20, \result=0, retValue_acc=1, NULL=-17, NULL=0, tmp=1, NULL=0, \result=1, NULL=-22, NULL=-15, NULL=-3, NULL=-11, tmp=0, tmp___2=66, NULL=-9, tmp=1, splverifierCounter=0, NULL=0, \result=0, NULL=-23, head=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62277632=0, NULL=-6, NULL=-7, NULL=0, NULL=-14, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c91349=0, NULL=-4, NULL=0, NULL=-1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L825] int retValue_acc ; [L826] int tmp ; [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] return (retValue_acc); [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L586] COND FALSE !(\read(pumpRunning)) [L593] COND TRUE \read(systemActive) [L615] int tmp ; [L618] COND TRUE ! pumpRunning [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; [L560] int retValue_acc ; [L563] COND TRUE waterLevel < 2 [L564] retValue_acc = 1 [L565] return (retValue_acc); [L736] tmp = isHighWaterSensorDry() [L738] COND TRUE \read(tmp) [L739] tmp___0 = 0 [L743] retValue_acc = tmp___0 [L744] return (retValue_acc); [L620] tmp = isHighWaterLevel() [L622] COND FALSE !(\read(tmp)) [L893] int tmp ; [L894] int tmp___0 ; [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] return (retValue_acc); [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...