./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product18_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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_spec3_product18_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 414418e2da6d7a65cf7274af502c2c1949ddb3af ............................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-91b1670 [2018-11-28 23:57:37,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:57:37,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:57:37,329 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:57:37,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:57:37,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:57:37,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:57:37,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:57:37,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:57:37,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:57:37,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:57:37,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:57:37,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:57:37,341 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:57:37,342 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:57:37,343 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:57:37,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:57:37,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:57:37,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:57:37,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:57:37,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:57:37,355 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:57:37,358 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:57:37,358 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:57:37,358 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:57:37,359 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:57:37,360 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:57:37,361 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:57:37,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:57:37,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:57:37,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:57:37,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:57:37,366 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:57:37,366 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:57:37,371 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:57:37,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:57:37,373 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:57:37,409 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:57:37,410 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:57:37,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:57:37,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:57:37,413 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:57:37,413 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:57:37,414 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:57:37,414 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:57:37,414 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:57:37,415 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:57:37,415 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:57:37,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:57:37,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:57:37,415 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:57:37,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:57:37,416 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:57:37,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:57:37,416 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:57:37,416 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:57:37,416 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:57:37,419 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:57:37,419 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:57:37,419 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:57:37,419 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:57:37,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:57:37,422 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:57:37,422 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:57:37,422 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:57:37,423 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:57:37,424 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:57:37,424 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:57:37,425 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:57:37,425 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 -> 414418e2da6d7a65cf7274af502c2c1949ddb3af [2018-11-28 23:57:37,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:57:37,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:57:37,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:57:37,509 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:57:37,509 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:57:37,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product18_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:37,574 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbafac725/e62ab66c1bba4cc699c3327d4eca8008/FLAG7fcb1afb1 [2018-11-28 23:57:38,028 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:57:38,029 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product18_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:38,043 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbafac725/e62ab66c1bba4cc699c3327d4eca8008/FLAG7fcb1afb1 [2018-11-28 23:57:38,349 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbafac725/e62ab66c1bba4cc699c3327d4eca8008 [2018-11-28 23:57:38,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:57:38,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:57:38,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:38,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:57:38,362 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:57:38,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:38,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38, skipping insertion in model container [2018-11-28 23:57:38,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:38,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:57:38,438 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:57:38,785 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:38,806 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:57:38,921 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:38,962 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:57:38,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38 WrapperNode [2018-11-28 23:57:38,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:38,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:38,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:57:38,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:57:39,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:39,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:57:39,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:57:39,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:57:39,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (1/1) ... [2018-11-28 23:57:39,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:57:39,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:57:39,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:57:39,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:57:39,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (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 [2018-11-28 23:57:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:57:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:57:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:57:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:57:40,273 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:57:40,274 INFO L280 CfgBuilder]: Removed 104 assue(true) statements. [2018-11-28 23:57:40,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:40 BoogieIcfgContainer [2018-11-28 23:57:40,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:57:40,275 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:57:40,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:57:40,281 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:57:40,282 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:40,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:57:38" (1/3) ... [2018-11-28 23:57:40,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71a1fa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:40, skipping insertion in model container [2018-11-28 23:57:40,285 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:40,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:38" (2/3) ... [2018-11-28 23:57:40,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71a1fa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:40, skipping insertion in model container [2018-11-28 23:57:40,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:40,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:40" (3/3) ... [2018-11-28 23:57:40,289 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product18_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:40,354 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:57:40,355 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:57:40,355 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:57:40,356 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:57:40,357 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:57:40,357 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:57:40,357 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:57:40,357 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:57:40,357 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:57:40,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-28 23:57:40,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 23:57:40,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:40,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:40,431 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:40,431 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:40,431 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:57:40,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-28 23:57:40,442 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 23:57:40,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:40,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:40,443 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:40,444 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:40,451 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1); 10#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; 80#L858true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 6#L866true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 77#L130true assume 0 != main_~tmp~0; 19#L103true havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 62#L887-1true [2018-11-28 23:57:40,452 INFO L796 eck$LassoCheckResult]: Loop: 62#L887-1true assume !false; 34#L780true assume test_~splverifierCounter~0 < 4; 57#L781true test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 9#L789true assume !(0 != test_~tmp~6); 67#L789-1true test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 66#L799true assume !(0 != test_~tmp___0~1); 41#L799-1true test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 24#L809true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 54#L817-2true assume !(0 != ~pumpRunning~0); 45#L616true assume !(0 != ~systemActive~0); 55#L623true havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 72#L192true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 14#L881true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 62#L887-1true [2018-11-28 23:57:40,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:40,464 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:57:40,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:40,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:40,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:40,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:40,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:40,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1680729482, now seen corresponding path program 1 times [2018-11-28 23:57:40,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:40,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:40,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:40,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:57:40,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:40,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:40,939 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:57:40,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:57:40,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:57:40,956 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2018-11-28 23:57:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:41,024 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2018-11-28 23:57:41,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:57:41,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 107 transitions. [2018-11-28 23:57:41,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:57:41,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 99 transitions. [2018-11-28 23:57:41,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2018-11-28 23:57:41,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2018-11-28 23:57:41,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2018-11-28 23:57:41,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:41,042 INFO L705 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-28 23:57:41,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2018-11-28 23:57:41,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-11-28 23:57:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-28 23:57:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2018-11-28 23:57:41,081 INFO L728 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-28 23:57:41,082 INFO L608 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-28 23:57:41,082 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:57:41,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2018-11-28 23:57:41,084 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:57:41,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:41,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:41,085 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:41,085 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:41,086 INFO L794 eck$LassoCheckResult]: Stem: 199#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1); 175#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; 176#L858 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 168#L866 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 169#L130 assume 0 != main_~tmp~0; 191#L103 havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 182#L887-1 [2018-11-28 23:57:41,086 INFO L796 eck$LassoCheckResult]: Loop: 182#L887-1 assume !false; 216#L780 assume test_~splverifierCounter~0 < 4; 217#L781 test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 172#L789 assume !(0 != test_~tmp~6); 174#L789-1 test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 234#L799 assume !(0 != test_~tmp___0~1); 171#L799-1 test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 196#L809 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 197#L817-2 assume !(0 != ~pumpRunning~0); 213#L616 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret46, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 200#L648 assume !(0 != ~pumpRunning~0); 202#L623 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 229#L192 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 181#L881 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 182#L887-1 [2018-11-28 23:57:41,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:41,087 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:57:41,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:41,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:41,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:41,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:41,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:41,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:41,193 INFO L82 PathProgramCache]: Analyzing trace with hash -589998930, now seen corresponding path program 1 times [2018-11-28 23:57:41,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:41,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:41,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:41,194 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:41,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:41,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:41,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1013040596, now seen corresponding path program 1 times [2018-11-28 23:57:41,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:41,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:41,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:41,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:41,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:57:41,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:41,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:41,575 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-28 23:57:41,701 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:57:41,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:57:41,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:57:41,725 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-11-28 23:57:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:42,263 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2018-11-28 23:57:42,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 23:57:42,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 345 transitions. [2018-11-28 23:57:42,279 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2018-11-28 23:57:42,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 345 transitions. [2018-11-28 23:57:42,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2018-11-28 23:57:42,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2018-11-28 23:57:42,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 345 transitions. [2018-11-28 23:57:42,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:42,295 INFO L705 BuchiCegarLoop]: Abstraction has 241 states and 345 transitions. [2018-11-28 23:57:42,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 345 transitions. [2018-11-28 23:57:42,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 136. [2018-11-28 23:57:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-28 23:57:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2018-11-28 23:57:42,319 INFO L728 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2018-11-28 23:57:42,320 INFO L608 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2018-11-28 23:57:42,320 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:57:42,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 188 transitions. [2018-11-28 23:57:42,323 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2018-11-28 23:57:42,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:42,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:42,324 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:42,327 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:42,327 INFO L794 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(30);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(9);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1); 504#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; 505#L858 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 497#L866 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 498#L130 assume 0 != main_~tmp~0; 517#L103 havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 518#L887-1 [2018-11-28 23:57:42,328 INFO L796 eck$LassoCheckResult]: Loop: 518#L887-1 assume !false; 543#L780 assume test_~splverifierCounter~0 < 4; 544#L781 test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 501#L789 assume !(0 != test_~tmp~6); 503#L789-1 test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 574#L799 assume !(0 != test_~tmp___0~1); 552#L799-1 test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 524#L809 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 525#L817-2 assume !(0 != ~pumpRunning~0); 541#L616 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret46, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 528#L648 assume !(0 != ~pumpRunning~0); 530#L623 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 601#L192 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 510#L881 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 511#L224 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 568#L887 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 518#L887-1 [2018-11-28 23:57:42,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:42,328 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 23:57:42,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:42,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:42,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:42,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:42,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:42,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:42,409 INFO L82 PathProgramCache]: Analyzing trace with hash -53282720, now seen corresponding path program 1 times [2018-11-28 23:57:42,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:42,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:42,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:42,410 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:42,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:42,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:42,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1425557498, now seen corresponding path program 1 times [2018-11-28 23:57:42,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:42,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:42,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:42,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:42,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:42,875 WARN L180 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-28 23:57:50,159 WARN L180 SmtUtils]: Spent 7.21 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:57:53,502 WARN L180 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:57:53,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:57:53 BoogieIcfgContainer [2018-11-28 23:57:53,573 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:57:53,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:57:53,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:57:53,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:57:53,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:40" (3/4) ... [2018-11-28 23:57:53,579 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:57:53,648 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:57:53,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:57:53,650 INFO L168 Benchmark]: Toolchain (without parser) took 15293.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.0 MB). Free memory was 947.3 MB in the beginning and 942.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 317.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:53,651 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 23:57:53,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.42 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:53,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 920.4 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:53,652 INFO L168 Benchmark]: Boogie Preprocessor took 41.33 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. [2018-11-28 23:57:53,653 INFO L168 Benchmark]: RCFGBuilder took 1106.04 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:53,653 INFO L168 Benchmark]: BuchiAutomizer took 13299.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 951.4 MB in the end (delta: 127.0 MB). Peak memory consumption was 357.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:53,654 INFO L168 Benchmark]: Witness Printer took 73.63 ms. Allocated memory is still 1.3 GB. Free memory was 951.4 MB in the beginning and 942.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:53,658 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 605.42 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 163.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 920.4 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.33 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 1106.04 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13299.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 951.4 MB in the end (delta: 127.0 MB). Peak memory consumption was 357.0 MB. Max. memory is 11.5 GB. * Witness Printer took 73.63 ms. Allocated memory is still 1.3 GB. Free memory was 951.4 MB in the beginning and 942.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 12.3s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 105 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 239 SDtfs, 466 SDslu, 400 SDs, 0 SdLazy, 46 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 779]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {retValue_acc=0, NULL=0, NULL=31, NULL=8, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=46, NULL=22, NULL=0, NULL=0, methaneLevelCritical=0, NULL=33, retValue_acc=1, NULL=18, NULL=24, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@470f207c=0, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d04a35a=0, tmp___1=0, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c6f6006=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=20, cleanupTimeShifts=4, NULL=23, NULL=27, NULL=17, NULL=12, tmp=0, tmp___0=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62eed055=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=35, \result=1, head=0, pumpRunning=0, tmp=1, NULL=15, NULL=11, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@120e75dd=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a97724a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ad4f604=56, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4528b9dc=0, NULL=45, tmp___2=56, NULL=28, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=34, NULL=43, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ebce581=0, head=0, tmp=0, NULL=26, NULL=0, NULL=0, NULL=16, NULL=19, NULL=14} - 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; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L608] int pumpRunning = 0; [L609] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; [L862] int retValue_acc ; [L865] retValue_acc = 1 [L866] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L770] int splverifierCounter ; [L771] int tmp ; [L772] int tmp___0 ; [L773] int tmp___1 ; [L774] int tmp___2 ; [L777] splverifierCounter = 0 Loop: [L779] COND TRUE 1 [L781] COND TRUE splverifierCounter < 4 [L787] tmp = __VERIFIER_nondet_int() [L789] COND FALSE !(\read(tmp)) [L797] tmp___0 = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp___0)) [L807] tmp___2 = __VERIFIER_nondet_int() [L809] COND TRUE \read(tmp___2) [L764] systemActive = 1 [L616] COND FALSE !(\read(pumpRunning)) [L623] COND TRUE \read(systemActive) [L645] int tmp ; [L648] COND FALSE !(\read(pumpRunning)) [L873] int tmp ; [L874] int tmp___0 ; [L875] int tmp___1 ; [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); [L879] tmp = isMethaneLevelCritical() [L881] COND FALSE !(\read(tmp)) [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L885] tmp___0 = getWaterLevel() [L887] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...