./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product15_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_product15_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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:57:31,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:57:31,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:57:31,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:57:31,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:57:31,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:57:31,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:57:31,471 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:57:31,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:57:31,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:57:31,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:57:31,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:57:31,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:57:31,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:57:31,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:57:31,479 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:57:31,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:57:31,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:57:31,484 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:57:31,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:57:31,486 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:57:31,488 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:57:31,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:57:31,490 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:57:31,490 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:57:31,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:57:31,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:57:31,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:57:31,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:57:31,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:57:31,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:57:31,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:57:31,496 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:57:31,496 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:57:31,497 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:57:31,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:57:31,498 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:57:31,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:57:31,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:57:31,524 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:57:31,524 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:57:31,525 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:57:31,525 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:57:31,525 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:57:31,525 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:57:31,525 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:57:31,525 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:57:31,526 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:57:31,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:57:31,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:57:31,526 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:57:31,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:57:31,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:57:31,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:57:31,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:57:31,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:57:31,529 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:57:31,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:57:31,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:57:31,529 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:57:31,529 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:57:31,530 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:57:31,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:57:31,530 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:57:31,530 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:57:31,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:57:31,531 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:57:31,531 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:57:31,533 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:57:31,534 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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2018-11-28 23:57:31,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:57:31,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:57:31,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:57:31,592 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:57:31,592 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:57:31,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:31,658 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e9f3665/0291735156684ee79d4b803040563396/FLAG2b7347f97 [2018-11-28 23:57:32,201 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:57:32,202 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:32,217 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e9f3665/0291735156684ee79d4b803040563396/FLAG2b7347f97 [2018-11-28 23:57:32,496 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e9f3665/0291735156684ee79d4b803040563396 [2018-11-28 23:57:32,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:57:32,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:57:32,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:32,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:57:32,509 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:57:32,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32, skipping insertion in model container [2018-11-28 23:57:32,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:57:32,589 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:57:32,999 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:33,021 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:57:33,142 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:33,260 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:57:33,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33 WrapperNode [2018-11-28 23:57:33,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:33,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:33,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:57:33,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:57:33,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:33,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:57:33,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:57:33,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:57:33,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (1/1) ... [2018-11-28 23:57:33,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:57:33,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:57:33,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:57:33,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:57:33,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (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 23:57:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:57:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:57:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:57:33,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:57:34,595 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:57:34,595 INFO L280 CfgBuilder]: Removed 106 assue(true) statements. [2018-11-28 23:57:34,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:34 BoogieIcfgContainer [2018-11-28 23:57:34,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:57:34,597 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:57:34,597 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:57:34,602 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:57:34,603 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:34,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:57:32" (1/3) ... [2018-11-28 23:57:34,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@541a03ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:34, skipping insertion in model container [2018-11-28 23:57:34,605 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:34,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:33" (2/3) ... [2018-11-28 23:57:34,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@541a03ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:34, skipping insertion in model container [2018-11-28 23:57:34,606 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:34,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:34" (3/3) ... [2018-11-28 23:57:34,609 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:34,663 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:57:34,663 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:57:34,664 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:57:34,664 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:57:34,664 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:57:34,664 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:57:34,664 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:57:34,664 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:57:34,664 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:57:34,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 23:57:34,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:57:34,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:34,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:34,719 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,719 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,719 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:57:34,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 23:57:34,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:57:34,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:34,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:34,727 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,727 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,732 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 41#L897true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 49#L905true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 52#L817true assume 0 != main_~tmp~6; 39#L791true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 56#L847-1true [2018-11-28 23:57:34,733 INFO L796 eck$LassoCheckResult]: Loop: 56#L847-1true assume !false; 57#L229true assume test_~splverifierCounter~0 < 4; 4#L230true test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 36#L238true assume !(0 != test_~tmp~2); 35#L238-1true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 20#L248true assume !(0 != test_~tmp___0~0); 18#L248-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 71#L258true assume 0 != test_~tmp___2~0; 27#L264-1true assume !(0 != ~pumpRunning~0); 74#L57true assume !(0 != ~systemActive~0); 66#L64true havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 28#L695-1true __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 12#L841true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 56#L847-1true [2018-11-28 23:57:34,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:34,748 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:57:34,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:34,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:34,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:34,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:35,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:35,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310530, now seen corresponding path program 1 times [2018-11-28 23:57:35,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:35,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:35,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:35,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:35,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:35,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:35,180 INFO L82 PathProgramCache]: Analyzing trace with hash 40968408, now seen corresponding path program 1 times [2018-11-28 23:57:35,180 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:35,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:35,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:35,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:35,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:35,407 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 23:57:35,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:35,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:57:35,648 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:57:35,785 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:57:35,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:57:35,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:57:35,836 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2018-11-28 23:57:36,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:36,201 INFO L93 Difference]: Finished difference Result 198 states and 273 transitions. [2018-11-28 23:57:36,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:57:36,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 273 transitions. [2018-11-28 23:57:36,218 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 125 [2018-11-28 23:57:36,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 177 states and 252 transitions. [2018-11-28 23:57:36,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2018-11-28 23:57:36,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2018-11-28 23:57:36,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 252 transitions. [2018-11-28 23:57:36,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:36,233 INFO L705 BuchiCegarLoop]: Abstraction has 177 states and 252 transitions. [2018-11-28 23:57:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 252 transitions. [2018-11-28 23:57:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 114. [2018-11-28 23:57:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 23:57:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2018-11-28 23:57:36,289 INFO L728 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2018-11-28 23:57:36,289 INFO L608 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2018-11-28 23:57:36,289 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:57:36,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2018-11-28 23:57:36,297 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2018-11-28 23:57:36,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:36,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:36,298 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:36,299 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:36,299 INFO L794 eck$LassoCheckResult]: Stem: 332#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 302#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 303#L897 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 339#L905 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 349#L817 assume 0 != main_~tmp~6; 337#L791 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 307#L847-1 [2018-11-28 23:57:36,299 INFO L796 eck$LassoCheckResult]: Loop: 307#L847-1 assume !false; 353#L229 assume test_~splverifierCounter~0 < 4; 290#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 291#L238 assume !(0 != test_~tmp~2); 330#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 316#L248 assume !(0 != test_~tmp___0~0); 314#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 315#L258 assume 0 != test_~tmp___2~0; 323#L264-1 assume !(0 != ~pumpRunning~0); 312#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 352#L89 assume !(0 != ~pumpRunning~0); 342#L64 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 324#L695-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 306#L841 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 307#L847-1 [2018-11-28 23:57:36,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:57:36,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:36,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:36,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:36,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:36,447 INFO L82 PathProgramCache]: Analyzing trace with hash -353546770, now seen corresponding path program 1 times [2018-11-28 23:57:36,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:36,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:36,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,448 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:36,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:36,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492756, now seen corresponding path program 1 times [2018-11-28 23:57:36,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:36,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:36,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:36,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:36,688 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 23:57:36,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:36,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:36,996 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:57:37,354 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:57:37,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:57:37,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:57:37,370 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. cyclomatic complexity: 51 Second operand 5 states. [2018-11-28 23:57:37,577 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-28 23:57:37,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:37,914 INFO L93 Difference]: Finished difference Result 367 states and 533 transitions. [2018-11-28 23:57:37,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 23:57:37,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 367 states and 533 transitions. [2018-11-28 23:57:37,922 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 271 [2018-11-28 23:57:37,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 367 states to 367 states and 533 transitions. [2018-11-28 23:57:37,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 367 [2018-11-28 23:57:37,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 367 [2018-11-28 23:57:37,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 367 states and 533 transitions. [2018-11-28 23:57:37,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:37,931 INFO L705 BuchiCegarLoop]: Abstraction has 367 states and 533 transitions. [2018-11-28 23:57:37,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states and 533 transitions. [2018-11-28 23:57:37,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 222. [2018-11-28 23:57:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-28 23:57:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 310 transitions. [2018-11-28 23:57:37,958 INFO L728 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2018-11-28 23:57:37,959 INFO L608 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2018-11-28 23:57:37,959 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:57:37,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 310 transitions. [2018-11-28 23:57:37,961 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 160 [2018-11-28 23:57:37,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:37,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:37,962 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:37,962 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 23:57:37,963 INFO L794 eck$LassoCheckResult]: Stem: 838#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 803#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 804#L897 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 848#L905 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 861#L817 assume 0 != main_~tmp~6; 846#L791 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 847#L847-1 [2018-11-28 23:57:37,963 INFO L796 eck$LassoCheckResult]: Loop: 847#L847-1 assume !false; 983#L229 assume test_~splverifierCounter~0 < 4; 984#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 993#L238 assume !(0 != test_~tmp~2); 991#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 989#L248 assume !(0 != test_~tmp___0~0); 987#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 985#L258 assume 0 != test_~tmp___2~0; 831#L264-1 assume !(0 != ~pumpRunning~0); 997#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 864#L89 assume !(0 != ~pumpRunning~0); 852#L64 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 827#L695-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 828#L841 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 791#L727 __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 792#L847 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 847#L847-1 [2018-11-28 23:57:37,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:37,963 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 23:57:37,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:37,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:37,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:37,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:37,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:38,062 INFO L82 PathProgramCache]: Analyzing trace with hash -456023616, now seen corresponding path program 1 times [2018-11-28 23:57:38,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:38,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:38,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,063 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:38,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:38,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1828298394, now seen corresponding path program 1 times [2018-11-28 23:57:38,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:38,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:38,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:38,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,378 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-28 23:57:45,176 WARN L180 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:57:48,299 WARN L180 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:57:48,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:57:48 BoogieIcfgContainer [2018-11-28 23:57:48,392 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:57:48,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:57:48,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:57:48,393 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:57:48,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:34" (3/4) ... [2018-11-28 23:57:48,399 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:57:48,483 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:57:48,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:57:48,486 INFO L168 Benchmark]: Toolchain (without parser) took 15984.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.3 MB). Free memory was 952.7 MB in the beginning and 887.6 MB in the end (delta: 65.1 MB). Peak memory consumption was 362.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:48,487 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:57:48,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:48,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:48,489 INFO L168 Benchmark]: Boogie Preprocessor took 41.02 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 23:57:48,490 INFO L168 Benchmark]: RCFGBuilder took 1221.79 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:48,491 INFO L168 Benchmark]: BuchiAutomizer took 13795.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.2 MB). Free memory was 1.1 GB in the beginning and 899.8 MB in the end (delta: 177.1 MB). Peak memory consumption was 344.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:48,491 INFO L168 Benchmark]: Witness Printer took 92.19 ms. Allocated memory is still 1.3 GB. Free memory was 899.8 MB in the beginning and 887.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:48,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 756.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.02 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 1221.79 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13795.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.2 MB). Free memory was 1.1 GB in the beginning and 899.8 MB in the end (delta: 177.1 MB). Peak memory consumption was 344.1 MB. Max. memory is 11.5 GB. * Witness Printer took 92.19 ms. Allocated memory is still 1.3 GB. Free memory was 899.8 MB in the beginning and 887.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 222 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 12.5s. Construction of modules took 0.5s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 208 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 222 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 221 SDtfs, 705 SDslu, 919 SDs, 0 SdLazy, 121 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 228]: 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 {NULL=0, NULL=31, NULL=18, NULL=0, NULL=0, NULL=36, NULL=0, NULL=0, NULL=0, NULL=0, NULL=37, retValue_acc=0, NULL=0, NULL=0, methaneLevelCritical=0, NULL=34, tmp=0, NULL=0, NULL=22, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@590c42c1=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@419b58e8=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@179bed4=0, cleanupTimeShifts=4, NULL=15, NULL=23, NULL=8, NULL=27, NULL=11, tmp___0=1, tmp=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=14, NULL=0, retValue_acc=0, NULL=17, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54a1f237=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=35, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44440da5=0, NULL=29, head=0, pumpRunning=0, \result=0, NULL=20, NULL=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ea68ede=0, NULL=38, retValue_acc=1, NULL=28, retValue_acc=1, tmp___2=56, splverifierCounter=0, NULL=0, \result=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4434b6d0=0, tmp=0, NULL=24, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@316ef945=56, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23c18b64=0, NULL=16, NULL=33, NULL=12, NULL=19, NULL=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; [L808] int retValue_acc ; [L809] int tmp ; [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 Loop: [L228] COND TRUE 1 [L230] COND TRUE splverifierCounter < 4 [L236] tmp = __VERIFIER_nondet_int() [L238] COND FALSE !(\read(tmp)) [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); [L845] tmp___0 = getWaterLevel() [L847] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...