./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product27_true-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_spec2_product27_true-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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ....................................................................................................................................................................................................................................................................................................................................................................... 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 04:19:14,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:19:14,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:19:14,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:19:14,235 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:19:14,236 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:19:14,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:19:14,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:19:14,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:19:14,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:19:14,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:19:14,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:19:14,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:19:14,254 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:19:14,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:19:14,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:19:14,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:19:14,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:19:14,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:19:14,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:19:14,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:19:14,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:19:14,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:19:14,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:19:14,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:19:14,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:19:14,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:19:14,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:19:14,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:19:14,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:19:14,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:19:14,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:19:14,288 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:19:14,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:19:14,291 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:19:14,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:19:14,294 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:19:14,319 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:19:14,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:19:14,321 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:19:14,322 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:19:14,323 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:19:14,323 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:19:14,324 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:19:14,324 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:19:14,324 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:19:14,325 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:19:14,325 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:19:14,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:19:14,325 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:19:14,325 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:19:14,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:19:14,327 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:19:14,327 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:19:14,327 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:19:14,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:19:14,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:19:14,327 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:19:14,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:19:14,328 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:19:14,328 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:19:14,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:19:14,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:19:14,328 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:19:14,329 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:19:14,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:19:14,332 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:19:14,332 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:19:14,333 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:19:14,334 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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-01-14 04:19:14,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:19:14,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:19:14,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:19:14,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:19:14,412 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:19:14,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:14,477 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/971e53a04/38fc44a795684b5ba0b488e6ec9026e4/FLAGba81c5c9a [2019-01-14 04:19:14,977 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:19:14,978 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:14,988 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/971e53a04/38fc44a795684b5ba0b488e6ec9026e4/FLAGba81c5c9a [2019-01-14 04:19:15,301 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/971e53a04/38fc44a795684b5ba0b488e6ec9026e4 [2019-01-14 04:19:15,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:19:15,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:19:15,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:15,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:19:15,316 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:19:15,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:15" (1/1) ... [2019-01-14 04:19:15,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672937de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:15, skipping insertion in model container [2019-01-14 04:19:15,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:15" (1/1) ... [2019-01-14 04:19:15,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:19:15,400 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:19:15,839 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:15,858 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:19:16,047 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:16,090 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:19:16,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16 WrapperNode [2019-01-14 04:19:16,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:16,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:16,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:19:16,092 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:19:16,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:16,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:19:16,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:19:16,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:19:16,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:19:16,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:19:16,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:19:16,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:19:16,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (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 04:19:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:19:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:19:16,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:19:16,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:19:17,336 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:19:17,336 INFO L286 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-14 04:19:17,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:17 BoogieIcfgContainer [2019-01-14 04:19:17,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:19:17,338 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:19:17,339 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:19:17,342 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:19:17,343 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:17,344 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:19:15" (1/3) ... [2019-01-14 04:19:17,345 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b198b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:17, skipping insertion in model container [2019-01-14 04:19:17,345 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:17,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16" (2/3) ... [2019-01-14 04:19:17,346 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b198b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:17, skipping insertion in model container [2019-01-14 04:19:17,346 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:17,346 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:17" (3/3) ... [2019-01-14 04:19:17,348 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product27_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:17,404 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:19:17,405 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:19:17,405 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:19:17,405 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:19:17,405 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:19:17,405 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:19:17,406 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:19:17,406 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:19:17,406 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:19:17,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-01-14 04:19:17,450 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:19:17,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:17,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:17,459 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:17,459 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:17,459 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:19:17,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-01-14 04:19:17,466 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:19:17,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:17,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:17,468 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:17,468 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:17,474 INFO L794 eck$LassoCheckResult]: Stem: 37#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);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 13#L-1true havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~6, main_~tmp~4;havoc main_~retValue_acc~6;havoc main_~tmp~4; 50#L736true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 56#L744true main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 5#L632true assume 0 != main_~tmp~4; 41#L604true ~methAndRunningLastTime~0 := 0; 72#L415true havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L426-1true [2019-01-14 04:19:17,475 INFO L796 eck$LassoCheckResult]: Loop: 54#L426-1true assume !false; 15#L658true assume test_~splverifierCounter~0 < 4; 38#L659true test_~tmp~5 := test_#t~nondet48;havoc test_#t~nondet48; 63#L667true assume !(0 != test_~tmp~5); 66#L667-1true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 44#L677true assume !(0 != test_~tmp___0~1); 24#L677-1true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 20#L687true assume 0 != test_~tmp___2~0; 52#L693-1true assume !(0 != ~pumpRunning~0); 49#L758true assume !(0 != ~systemActive~0); 40#L765true havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 17#L497true __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 70#L426true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 54#L426-1true [2019-01-14 04:19:17,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:17,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:19:17,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:17,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:17,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:17,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:17,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:18,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:18,410 INFO L82 PathProgramCache]: Analyzing trace with hash 11187987, now seen corresponding path program 1 times [2019-01-14 04:19:18,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:18,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:18,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:18,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:18,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:18,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:18,434 INFO L82 PathProgramCache]: Analyzing trace with hash 844484493, now seen corresponding path program 1 times [2019-01-14 04:19:18,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:18,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:18,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:18,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:18,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:19:18,683 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 04:19:18,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:19:18,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:19:18,799 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:19:18,901 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:19:18,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:19:18,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:19:18,942 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2019-01-14 04:19:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:19:19,392 INFO L93 Difference]: Finished difference Result 202 states and 283 transitions. [2019-01-14 04:19:19,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:19:19,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 283 transitions. [2019-01-14 04:19:19,421 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 127 [2019-01-14 04:19:19,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 181 states and 262 transitions. [2019-01-14 04:19:19,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 181 [2019-01-14 04:19:19,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2019-01-14 04:19:19,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 262 transitions. [2019-01-14 04:19:19,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:19:19,447 INFO L706 BuchiCegarLoop]: Abstraction has 181 states and 262 transitions. [2019-01-14 04:19:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 262 transitions. [2019-01-14 04:19:19,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 115. [2019-01-14 04:19:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-01-14 04:19:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 166 transitions. [2019-01-14 04:19:19,509 INFO L729 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2019-01-14 04:19:19,510 INFO L609 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2019-01-14 04:19:19,510 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:19:19,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 166 transitions. [2019-01-14 04:19:19,517 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-01-14 04:19:19,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:19,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:19,519 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:19,519 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:19,521 INFO L794 eck$LassoCheckResult]: Stem: 349#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);~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 319#L-1 havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~6, main_~tmp~4;havoc main_~retValue_acc~6;havoc main_~tmp~4; 320#L736 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 355#L744 main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 303#L632 assume 0 != main_~tmp~4; 304#L604 ~methAndRunningLastTime~0 := 0; 351#L415 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 334#L426-1 [2019-01-14 04:19:19,521 INFO L796 eck$LassoCheckResult]: Loop: 334#L426-1 assume !false; 321#L658 assume test_~splverifierCounter~0 < 4; 322#L659 test_~tmp~5 := test_#t~nondet48;havoc test_#t~nondet48; 350#L667 assume !(0 != test_~tmp~5); 342#L667-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 352#L677 assume !(0 != test_~tmp___0~1); 335#L677-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 330#L687 assume 0 != test_~tmp___2~0; 332#L693-1 assume !(0 != ~pumpRunning~0); 308#L758 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 344#L790 assume !(0 != ~pumpRunning~0); 346#L765 havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 323#L497 __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 324#L426 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 334#L426-1 [2019-01-14 04:19:19,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:19,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:19:19,522 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:19,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:19,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:19,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:19,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:19,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:19,838 INFO L82 PathProgramCache]: Analyzing trace with hash 319834497, now seen corresponding path program 1 times [2019-01-14 04:19:19,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:19,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:19,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:19,839 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:19:19,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:19,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:19,850 INFO L82 PathProgramCache]: Analyzing trace with hash 382222407, now seen corresponding path program 1 times [2019-01-14 04:19:19,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:19,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:19,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,428 WARN L181 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:19:20,801 WARN L181 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:19:42,594 WARN L181 SmtUtils]: Spent 21.77 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:19:53,155 WARN L181 SmtUtils]: Spent 10.54 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:19:53,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:19:53 BoogieIcfgContainer [2019-01-14 04:19:53,238 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:19:53,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:19:53,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:19:53,238 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:19:53,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:17" (3/4) ... [2019-01-14 04:19:53,247 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:19:53,339 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:19:53,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:19:53,340 INFO L168 Benchmark]: Toolchain (without parser) took 38032.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 951.4 MB in the beginning and 985.1 MB in the end (delta: -33.8 MB). Peak memory consumption was 269.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:53,342 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:19:53,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:53,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.77 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:53,343 INFO L168 Benchmark]: Boogie Preprocessor took 53.86 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 04:19:53,344 INFO L168 Benchmark]: RCFGBuilder took 1118.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:53,346 INFO L168 Benchmark]: BuchiAutomizer took 35899.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 987.2 MB in the end (delta: 61.6 MB). Peak memory consumption was 426.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:53,347 INFO L168 Benchmark]: Witness Printer took 101.21 ms. Allocated memory is still 1.3 GB. Free memory was 987.2 MB in the beginning and 985.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:53,361 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 780.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.77 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.86 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 1118.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35899.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 987.2 MB in the end (delta: 61.6 MB). Peak memory consumption was 426.0 MB. Max. memory is 11.5 GB. * Witness Printer took 101.21 ms. Allocated memory is still 1.3 GB. Free memory was 987.2 MB in the beginning and 985.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 115 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 35.1s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 66 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 115 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 397 SDslu, 566 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 657]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e8b1c0c=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-16, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ef250b3=0, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d6c70a1=0, NULL=0, retValue_acc=0, NULL=0, NULL=-22, NULL=-20, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@436928a6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a12597d=74, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c64d3e6=0, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=-14, NULL=-7, NULL=-3, NULL=-11, cleanupTimeShifts=4, NULL=-13, NULL=-18, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-5, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=-2, NULL=0, \result=1, NULL=-6, head=0, pumpRunning=0, NULL=-21, \result=0, NULL=-9, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f99bf54=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d980285=0, NULL=-33, NULL=-1, NULL=-34, retValue_acc=1, NULL=0, tmp___2=74, NULL=-12, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-23, head=0, NULL=0, NULL=-10, tmp=0, NULL=-17, NULL=0, NULL=-15, NULL=0, NULL=0, NULL=-8, tmp=0, NULL=-19} - 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; [L409] int methAndRunningLastTime ; [L454] int waterLevel = 1; [L455] int methaneLevelCritical = 0; [L543] int cleanupTimeShifts = 4; [L751] int pumpRunning = 0; [L752] int systemActive = 1; [L623] int retValue_acc ; [L624] int tmp ; [L740] int retValue_acc ; [L743] retValue_acc = 1 [L744] return (retValue_acc); [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L414] methAndRunningLastTime = 0 [L648] int splverifierCounter ; [L649] int tmp ; [L650] int tmp___0 ; [L651] int tmp___1 ; [L652] int tmp___2 ; [L655] splverifierCounter = 0 Loop: [L657] COND TRUE 1 [L659] COND TRUE splverifierCounter < 4 [L665] tmp = __VERIFIER_nondet_int() [L667] COND FALSE !(\read(tmp)) [L675] tmp___0 = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp___0)) [L685] tmp___2 = __VERIFIER_nondet_int() [L687] COND TRUE \read(tmp___2) [L758] COND FALSE !(\read(pumpRunning)) [L765] COND TRUE \read(systemActive) [L787] int tmp ; [L790] COND FALSE !(\read(pumpRunning)) [L419] int tmp ; [L420] int tmp___0 ; [L493] int retValue_acc ; [L496] retValue_acc = methaneLevelCritical [L497] return (retValue_acc); [L424] tmp = isMethaneLevelCritical() [L426] COND FALSE !(\read(tmp)) [L442] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...