./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product23_true-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_spec2_product23_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04a2c328d9e0793c06665765e370a46edcd58ae6 ....................................................................................................................................................................................................................................................................................................................................................................... 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 23:56:11,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:56:11,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:56:11,660 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:56:11,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:56:11,661 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:56:11,663 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:56:11,665 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:56:11,667 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:56:11,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:56:11,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:56:11,669 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:56:11,670 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:56:11,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:56:11,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:56:11,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:56:11,674 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:56:11,677 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:56:11,679 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:56:11,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:56:11,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:56:11,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:56:11,686 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:56:11,687 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:56:11,687 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:56:11,688 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:56:11,689 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:56:11,690 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:56:11,691 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:56:11,692 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:56:11,693 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:56:11,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:56:11,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:56:11,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:56:11,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:56:11,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:56:11,697 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:56:11,715 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:56:11,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:56:11,717 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:56:11,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:56:11,717 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:56:11,718 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:56:11,718 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:56:11,718 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:56:11,718 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:56:11,718 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:56:11,719 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:56:11,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:56:11,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:56:11,720 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:56:11,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:56:11,721 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:56:11,721 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:56:11,722 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:56:11,722 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:56:11,722 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:56:11,722 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:56:11,722 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:56:11,722 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:56:11,723 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:56:11,723 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:56:11,723 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:56:11,723 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:56:11,723 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:56:11,723 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:56:11,725 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:56:11,725 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:56:11,726 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:56:11,726 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 -> 04a2c328d9e0793c06665765e370a46edcd58ae6 [2018-11-28 23:56:11,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:56:11,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:56:11,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:56:11,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:56:11,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:56:11,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:11,852 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64a95420/3b943ce2f16a41b2938be6b77e066ff0/FLAG191eb46e2 [2018-11-28 23:56:12,447 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:56:12,447 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:12,471 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64a95420/3b943ce2f16a41b2938be6b77e066ff0/FLAG191eb46e2 [2018-11-28 23:56:12,674 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64a95420/3b943ce2f16a41b2938be6b77e066ff0 [2018-11-28 23:56:12,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:56:12,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:56:12,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:12,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:56:12,685 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:56:12,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:12" (1/1) ... [2018-11-28 23:56:12,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3659c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:12, skipping insertion in model container [2018-11-28 23:56:12,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:12" (1/1) ... [2018-11-28 23:56:12,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:56:12,761 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:56:13,139 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:13,161 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:56:13,352 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:13,392 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:56:13,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13 WrapperNode [2018-11-28 23:56:13,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:13,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:13,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:56:13,393 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:56:13,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:13,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:56:13,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:56:13,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:56:13,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (1/1) ... [2018-11-28 23:56:13,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:56:13,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:56:13,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:56:13,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:56:13,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (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 23:56:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:56:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:56:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:56:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:56:15,128 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:56:15,128 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-11-28 23:56:15,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:15 BoogieIcfgContainer [2018-11-28 23:56:15,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:56:15,130 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:56:15,130 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:56:15,134 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:56:15,135 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:15,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:56:12" (1/3) ... [2018-11-28 23:56:15,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5567a8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:15, skipping insertion in model container [2018-11-28 23:56:15,137 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:15,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:13" (2/3) ... [2018-11-28 23:56:15,138 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5567a8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:15, skipping insertion in model container [2018-11-28 23:56:15,138 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:15,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:15" (3/3) ... [2018-11-28 23:56:15,140 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product23_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:15,197 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:56:15,198 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:56:15,198 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:56:15,198 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:56:15,198 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:56:15,198 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:56:15,198 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:56:15,199 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:56:15,199 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:56:15,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-28 23:56:15,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-28 23:56:15,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:15,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:15,271 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:15,272 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:15,272 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:56:15,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-28 23:56:15,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-28 23:56:15,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:15,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:15,284 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:15,284 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:15,292 INFO L794 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 8#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 39#L843true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 45#L851true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 49#L939true assume 0 != main_~tmp~8; 18#L915true ~methAndRunningLastTime~0 := 0; 25#L144true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L155-1true [2018-11-28 23:56:15,299 INFO L796 eck$LassoCheckResult]: Loop: 23#L155-1true assume !false; 5#L566true assume test_~splverifierCounter~0 < 4; 57#L567true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 77#L575true assume !(0 != test_~tmp~4); 60#L575-1true test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 10#L585true assume !(0 != test_~tmp___0~1); 12#L585-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 46#L595true assume 0 != test_~tmp___2~0; 26#L601-1true assume !(0 != ~pumpRunning~0); 3#L632true assume !(0 != ~systemActive~0); 52#L639true havoc __utac_acc__Specification2_spec__2_#t~ret10, __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 109#L90-1true __utac_acc__Specification2_spec__2_#t~ret10 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret10;havoc __utac_acc__Specification2_spec__2_#t~ret10; 27#L155true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 23#L155-1true [2018-11-28 23:56:15,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:15,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 23:56:15,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:15,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:15,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:15,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:15,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:15,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:15,645 INFO L82 PathProgramCache]: Analyzing trace with hash 12573267, now seen corresponding path program 1 times [2018-11-28 23:56:15,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:15,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:15,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:15,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:15,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:15,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:15,665 INFO L82 PathProgramCache]: Analyzing trace with hash 845869773, now seen corresponding path program 1 times [2018-11-28 23:56:15,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:15,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:15,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:15,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:15,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:56:15,870 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 23:56:15,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:56:15,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:56:16,052 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:56:16,201 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:56:16,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:56:16,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:56:16,252 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-28 23:56:16,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:56:16,593 INFO L93 Difference]: Finished difference Result 262 states and 373 transitions. [2018-11-28 23:56:16,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:56:16,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 373 transitions. [2018-11-28 23:56:16,621 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2018-11-28 23:56:16,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 241 states and 352 transitions. [2018-11-28 23:56:16,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2018-11-28 23:56:16,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2018-11-28 23:56:16,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 352 transitions. [2018-11-28 23:56:16,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:56:16,650 INFO L705 BuchiCegarLoop]: Abstraction has 241 states and 352 transitions. [2018-11-28 23:56:16,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 352 transitions. [2018-11-28 23:56:16,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 145. [2018-11-28 23:56:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-28 23:56:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 211 transitions. [2018-11-28 23:56:16,710 INFO L728 BuchiCegarLoop]: Abstraction has 145 states and 211 transitions. [2018-11-28 23:56:16,710 INFO L608 BuchiCegarLoop]: Abstraction has 145 states and 211 transitions. [2018-11-28 23:56:16,710 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:56:16,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 211 transitions. [2018-11-28 23:56:16,713 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2018-11-28 23:56:16,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:16,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:16,714 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:16,714 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:16,715 INFO L794 eck$LassoCheckResult]: Stem: 465#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 399#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 400#L843 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 447#L851 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 452#L939 assume 0 != main_~tmp~8; 417#L915 ~methAndRunningLastTime~0 := 0; 418#L144 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 423#L155-1 [2018-11-28 23:56:16,715 INFO L796 eck$LassoCheckResult]: Loop: 423#L155-1 assume !false; 393#L566 assume test_~splverifierCounter~0 < 4; 394#L567 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 460#L575 assume !(0 != test_~tmp~4); 410#L575-1 test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 403#L585 assume !(0 != test_~tmp___0~1); 405#L585-1 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 408#L595 assume 0 != test_~tmp___2~0; 426#L601-1 assume !(0 != ~pumpRunning~0); 388#L632 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 389#L690 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret51, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 443#L664-1 assume !(0 != ~pumpRunning~0); 442#L639 havoc __utac_acc__Specification2_spec__2_#t~ret10, __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 456#L90-1 __utac_acc__Specification2_spec__2_#t~ret10 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret10;havoc __utac_acc__Specification2_spec__2_#t~ret10; 428#L155 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 423#L155-1 [2018-11-28 23:56:16,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:16,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 23:56:16,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:16,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:16,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:16,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:16,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:16,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:16,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1343596421, now seen corresponding path program 1 times [2018-11-28 23:56:16,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:16,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:16,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:16,816 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:56:16,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:16,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:16,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1017345665, now seen corresponding path program 1 times [2018-11-28 23:56:16,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:16,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:16,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:16,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:16,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:25,633 WARN L180 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 23:56:29,463 WARN L180 SmtUtils]: Spent 3.82 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 23:56:29,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:56:29 BoogieIcfgContainer [2018-11-28 23:56:29,530 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:56:29,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:56:29,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:56:29,531 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:56:29,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:15" (3/4) ... [2018-11-28 23:56:29,535 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:56:29,606 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:56:29,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:56:29,607 INFO L168 Benchmark]: Toolchain (without parser) took 16928.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 952.7 MB in the beginning and 988.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 270.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,609 INFO L168 Benchmark]: CDTParser took 0.22 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 23:56:29,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.06 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,610 INFO L168 Benchmark]: Boogie Preprocessor took 70.44 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 23:56:29,612 INFO L168 Benchmark]: RCFGBuilder took 1578.18 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,612 INFO L168 Benchmark]: BuchiAutomizer took 14400.42 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 988.7 MB in the end (delta: 67.8 MB). Peak memory consumption was 344.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,613 INFO L168 Benchmark]: Witness Printer took 75.46 ms. Allocated memory is still 1.3 GB. Free memory was 988.7 MB in the beginning and 988.7 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-28 23:56:29,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 712.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.06 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.44 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 1578.18 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14400.42 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 988.7 MB in the end (delta: 67.8 MB). Peak memory consumption was 344.4 MB. Max. memory is 11.5 GB. * Witness Printer took 75.46 ms. Allocated memory is still 1.3 GB. Free memory was 988.7 MB in the beginning and 988.7 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 13.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 96 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 145 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 150 SDtfs, 577 SDslu, 701 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 565]: 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, retValue_acc=0, NULL=34, NULL=11, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4432529=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46d7c305=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49e092dd=0, NULL=23, NULL=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7169df2b=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46906fd3=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3059e173=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42fabee9=0, retValue_acc=1, NULL=0, tmp=0, NULL=0, NULL=8, NULL=36, NULL=0, tmp___1=0, tmp=0, NULL=38, cleanupTimeShifts=4, NULL=18, NULL=29, NULL=19, NULL=0, systemActive=1, waterLevel=1, NULL=14, NULL=0, NULL=0, NULL=28, NULL=0, NULL=0, retValue_acc=0, \result=1, head=0, pumpRunning=0, NULL=27, \result=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=39, tmp___0=0, NULL=35, NULL=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bf13c00=0, NULL=15, tmp___2=56, NULL=17, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=24, NULL=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@653c4818=0, head=0, tmp=0, NULL=31, NULL=0, NULL=22, tmp=0, NULL=0, NULL=26, NULL=16, NULL=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L138] int methAndRunningLastTime ; [L346] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L625] int pumpRunning = 0; [L626] int systemActive = 1; [L856] int cleanupTimeShifts = 4; [L930] int retValue_acc ; [L931] int tmp ; [L847] int retValue_acc ; [L850] retValue_acc = 1 [L851] return (retValue_acc); [L937] tmp = valid_product() [L939] COND TRUE \read(tmp) [L143] methAndRunningLastTime = 0 [L556] int splverifierCounter ; [L557] int tmp ; [L558] int tmp___0 ; [L559] int tmp___1 ; [L560] int tmp___2 ; [L563] splverifierCounter = 0 Loop: [L565] COND TRUE 1 [L567] COND TRUE splverifierCounter < 4 [L573] tmp = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp)) [L583] tmp___0 = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp___0)) [L593] tmp___2 = __VERIFIER_nondet_int() [L595] COND TRUE \read(tmp___2) [L632] COND FALSE !(\read(pumpRunning)) [L639] COND TRUE \read(systemActive) [L687] int tmp ; [L690] COND FALSE !(\read(pumpRunning)) [L661] int tmp ; [L664] COND FALSE !(\read(pumpRunning)) [L148] int tmp ; [L149] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L153] tmp = isMethaneLevelCritical() [L155] COND FALSE !(\read(tmp)) [L171] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...