./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product08_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_product08_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 f80d3a5338c2579934de7f265b1ca347607a109f .............................................................................................................................................................................................................................................................................................................................................................. 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 04:18:03,120 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:18:03,122 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:18:03,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:18:03,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:18:03,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:18:03,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:18:03,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:18:03,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:18:03,151 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:18:03,153 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:18:03,154 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:18:03,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:18:03,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:18:03,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:18:03,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:18:03,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:18:03,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:18:03,174 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:18:03,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:18:03,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:18:03,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:18:03,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:18:03,181 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:18:03,181 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:18:03,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:18:03,183 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:18:03,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:18:03,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:18:03,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:18:03,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:18:03,187 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:18:03,187 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:18:03,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:18:03,188 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:18:03,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:18:03,190 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:18:03,220 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:18:03,221 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:18:03,223 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:18:03,224 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:18:03,224 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:18:03,224 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:18:03,225 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:18:03,225 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:18:03,225 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:18:03,225 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:18:03,225 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:18:03,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:18:03,227 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:18:03,228 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:18:03,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:18:03,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:18:03,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:18:03,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:18:03,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:18:03,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:18:03,229 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:18:03,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:18:03,229 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:18:03,230 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:18:03,232 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:18:03,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:18:03,233 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:18:03,233 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:18:03,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:18:03,233 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:18:03,233 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:18:03,234 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:18:03,238 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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2019-01-14 04:18:03,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:18:03,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:18:03,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:18:03,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:18:03,315 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:18:03,315 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:03,370 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/531583c92/13e87b64ef604d32ba9de0c24b59c4ef/FLAGfa7342558 [2019-01-14 04:18:03,944 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:18:03,945 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:03,974 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/531583c92/13e87b64ef604d32ba9de0c24b59c4ef/FLAGfa7342558 [2019-01-14 04:18:04,204 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/531583c92/13e87b64ef604d32ba9de0c24b59c4ef [2019-01-14 04:18:04,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:18:04,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:18:04,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:04,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:18:04,214 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:18:04,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37528b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04, skipping insertion in model container [2019-01-14 04:18:04,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:18:04,288 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:18:04,631 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:04,648 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:18:04,832 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:18:04,867 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:18:04,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04 WrapperNode [2019-01-14 04:18:04,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:18:04,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:04,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:18:04,870 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:18:04,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:18:04,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:18:04,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:18:04,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:18:04,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (1/1) ... [2019-01-14 04:18:04,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:18:04,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:18:04,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:18:04,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:18:04,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (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 04:18:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:18:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:18:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:18:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:18:06,150 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:18:06,150 INFO L286 CfgBuilder]: Removed 104 assue(true) statements. [2019-01-14 04:18:06,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:06 BoogieIcfgContainer [2019-01-14 04:18:06,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:18:06,153 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:18:06,153 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:18:06,157 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:18:06,158 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:06,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:18:04" (1/3) ... [2019-01-14 04:18:06,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eaaa154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:06, skipping insertion in model container [2019-01-14 04:18:06,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:06,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:18:04" (2/3) ... [2019-01-14 04:18:06,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eaaa154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:18:06, skipping insertion in model container [2019-01-14 04:18:06,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:18:06,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:06" (3/3) ... [2019-01-14 04:18:06,164 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:18:06,218 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:18:06,219 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:18:06,219 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:18:06,219 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:18:06,220 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:18:06,220 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:18:06,220 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:18:06,221 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:18:06,221 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:18:06,237 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-14 04:18:06,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:18:06,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:06,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:06,272 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:06,272 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:06,272 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:18:06,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-01-14 04:18:06,280 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-01-14 04:18:06,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:06,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:06,283 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:06,283 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:06,288 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 17#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 50#L627true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 71#L635true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 46#L132true assume 0 != main_~tmp~0; 36#L103true ~methAndRunningLastTime~0 := 0; 23#L647true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, 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; 25#L658-1true [2019-01-14 04:18:06,288 INFO L796 eck$LassoCheckResult]: Loop: 25#L658-1true assume !false; 62#L693true assume test_~splverifierCounter~0 < 4; 10#L694true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 19#L702true assume !(0 != test_~tmp~5); 20#L702-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 65#L712true assume !(0 != test_~tmp___0~1); 68#L712-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 51#L722true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 56#L730-1true assume !(0 != ~pumpRunning~0); 5#L760true assume !(0 != ~systemActive~0); 16#L767true havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 3#L559-1true __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; 21#L658true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 25#L658-1true [2019-01-14 04:18:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:06,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:18:06,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:06,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:06,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:06,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:06,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:07,219 INFO L82 PathProgramCache]: Analyzing trace with hash 11926804, now seen corresponding path program 1 times [2019-01-14 04:18:07,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:07,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:07,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:07,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:18:07,300 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 04:18:07,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:18:07,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:18:07,306 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:18:07,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:18:07,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:18:07,320 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-01-14 04:18:07,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:18:07,409 INFO L93 Difference]: Finished difference Result 137 states and 193 transitions. [2019-01-14 04:18:07,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:18:07,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 193 transitions. [2019-01-14 04:18:07,420 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2019-01-14 04:18:07,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 123 states and 178 transitions. [2019-01-14 04:18:07,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 123 [2019-01-14 04:18:07,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2019-01-14 04:18:07,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 178 transitions. [2019-01-14 04:18:07,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:18:07,437 INFO L706 BuchiCegarLoop]: Abstraction has 123 states and 178 transitions. [2019-01-14 04:18:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 178 transitions. [2019-01-14 04:18:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2019-01-14 04:18:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-01-14 04:18:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2019-01-14 04:18:07,474 INFO L729 BuchiCegarLoop]: Abstraction has 121 states and 175 transitions. [2019-01-14 04:18:07,474 INFO L609 BuchiCegarLoop]: Abstraction has 121 states and 175 transitions. [2019-01-14 04:18:07,474 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:18:07,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 175 transitions. [2019-01-14 04:18:07,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 84 [2019-01-14 04:18:07,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:18:07,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:18:07,478 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:07,478 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:18:07,479 INFO L794 eck$LassoCheckResult]: Stem: 270#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 243#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 244#L627 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 274#L635 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 271#L132 assume 0 != main_~tmp~0; 267#L103 ~methAndRunningLastTime~0 := 0; 255#L647 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, 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; 256#L658-1 [2019-01-14 04:18:07,479 INFO L796 eck$LassoCheckResult]: Loop: 256#L658-1 assume !false; 317#L693 assume test_~splverifierCounter~0 < 4; 318#L694 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 338#L702 assume !(0 != test_~tmp~5); 336#L702-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 335#L712 assume !(0 != test_~tmp___0~1); 333#L712-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 332#L722 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 277#L730-1 assume !(0 != ~pumpRunning~0); 329#L760 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 325#L792 assume !(0 != ~pumpRunning~0); 324#L767 havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 323#L559-1 __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; 319#L658 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 256#L658-1 [2019-01-14 04:18:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:07,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:18:07,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:07,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:07,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:07,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:07,865 INFO L82 PathProgramCache]: Analyzing trace with hash 349202465, now seen corresponding path program 1 times [2019-01-14 04:18:07,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:07,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:07,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,867 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:18:07,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:07,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:18:07,878 INFO L82 PathProgramCache]: Analyzing trace with hash 411590375, now seen corresponding path program 1 times [2019-01-14 04:18:07,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:18:07,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:18:07,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:07,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:18:07,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:18:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:18:08,473 WARN L181 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-01-14 04:18:08,605 WARN L181 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:18:29,716 WARN L181 SmtUtils]: Spent 21.09 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:18:42,542 WARN L181 SmtUtils]: Spent 12.81 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:18:42,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:18:42 BoogieIcfgContainer [2019-01-14 04:18:42,625 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:18:42,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:18:42,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:18:42,626 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:18:42,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:18:06" (3/4) ... [2019-01-14 04:18:42,632 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:18:42,722 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:18:42,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:18:42,724 INFO L168 Benchmark]: Toolchain (without parser) took 38515.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.3 MB). Free memory was 944.7 MB in the beginning and 925.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 329.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:42,725 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 04:18:42,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:42,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.57 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 04:18:42,732 INFO L168 Benchmark]: Boogie Preprocessor took 42.52 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 04:18:42,734 INFO L168 Benchmark]: RCFGBuilder took 1169.12 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:42,735 INFO L168 Benchmark]: BuchiAutomizer took 36472.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 1.0 GB in the beginning and 927.1 MB in the end (delta: 118.3 MB). Peak memory consumption was 421.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:42,736 INFO L168 Benchmark]: Witness Printer took 97.36 ms. Allocated memory is still 1.3 GB. Free memory was 927.1 MB in the beginning and 925.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:42,742 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 657.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.57 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 42.52 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 1169.12 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 36472.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 1.0 GB in the beginning and 927.1 MB in the end (delta: 118.3 MB). Peak memory consumption was 421.2 MB. Max. memory is 11.5 GB. * Witness Printer took 97.36 ms. Allocated memory is still 1.3 GB. Free memory was 927.1 MB in the beginning and 925.0 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 3 locations. The remainder module has 121 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 36.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 121 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 95 SDslu, 86 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 692]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9350} State at position 1 is {NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=9350, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@595d7c97=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-20, NULL=-19, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b918c10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@737fbc9=65, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29161821=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60569ec1=0, tmp=0, NULL=-17, NULL=0, NULL=-6, NULL=0, NULL=-10, tmp___1=0, NULL=-15, NULL=-9, NULL=9349, NULL=-4, NULL=-13, cleanupTimeShifts=4, NULL=-3, NULL=-24, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@367a6d75=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1725072a=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=-2, retValue_acc=0, NULL=-18, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f2f175e=0, NULL=0, NULL=-7, NULL=0, NULL=0, tmp___0=0, retValue_acc=1, NULL=-1, tmp___2=65, NULL=-12, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=-23, head=0, NULL=0, NULL=-22, NULL=0, NULL=-21, tmp=0, NULL=0, NULL=-8, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-14, tmp=0, NULL=-5} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L516] int waterLevel = 1; [L517] int methaneLevelCritical = 0; [L641] int methAndRunningLastTime ; [L753] int pumpRunning = 0; [L754] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L631] int retValue_acc ; [L634] retValue_acc = 1 [L635] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L646] methAndRunningLastTime = 0 [L683] int splverifierCounter ; [L684] int tmp ; [L685] int tmp___0 ; [L686] int tmp___1 ; [L687] int tmp___2 ; [L690] splverifierCounter = 0 Loop: [L692] COND TRUE 1 [L694] COND TRUE splverifierCounter < 4 [L700] tmp = __VERIFIER_nondet_int() [L702] COND FALSE !(\read(tmp)) [L710] tmp___0 = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp___0)) [L720] tmp___2 = __VERIFIER_nondet_int() [L722] COND TRUE \read(tmp___2) [L904] systemActive = 1 [L760] COND FALSE !(\read(pumpRunning)) [L767] COND TRUE \read(systemActive) [L789] int tmp ; [L792] COND FALSE !(\read(pumpRunning)) [L651] int tmp ; [L652] int tmp___0 ; [L555] int retValue_acc ; [L558] retValue_acc = methaneLevelCritical [L559] return (retValue_acc); [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L674] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...