./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:17:45,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:17:45,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:17:45,609 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:17:45,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:17:45,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:17:45,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:17:45,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:17:45,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:17:45,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:17:45,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:17:45,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:17:45,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:17:45,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:17:45,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:17:45,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:17:45,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:17:45,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:17:45,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:17:45,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:17:45,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:17:45,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:17:45,635 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:17:45,635 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:17:45,635 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:17:45,636 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:17:45,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:17:45,639 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:17:45,640 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:17:45,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:17:45,641 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:17:45,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:17:45,643 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:17:45,643 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:17:45,644 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:17:45,645 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:17:45,645 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:17:45,662 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:17:45,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:17:45,664 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:17:45,664 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:17:45,664 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:17:45,664 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:17:45,664 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:17:45,665 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:17:45,665 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:17:45,666 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:17:45,666 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:17:45,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:17:45,666 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:17:45,666 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:17:45,666 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:17:45,667 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:17:45,667 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:17:45,667 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:17:45,667 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:17:45,667 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:17:45,667 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:17:45,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:17:45,669 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:17:45,669 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:17:45,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:17:45,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:17:45,670 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:17:45,671 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:17:45,671 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:17:45,671 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:17:45,671 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:17:45,673 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:17:45,673 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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2019-01-14 04:17:45,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:17:45,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:17:45,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:17:45,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:17:45,731 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:17:45,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2019-01-14 04:17:45,793 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10846418/892542019039497a89cf1ca4091523b9/FLAG51ba508b6 [2019-01-14 04:17:46,282 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:17:46,282 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2019-01-14 04:17:46,298 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10846418/892542019039497a89cf1ca4091523b9/FLAG51ba508b6 [2019-01-14 04:17:46,602 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10846418/892542019039497a89cf1ca4091523b9 [2019-01-14 04:17:46,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:17:46,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:17:46,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:17:46,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:17:46,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:17:46,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:17:46" (1/1) ... [2019-01-14 04:17:46,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17252cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:46, skipping insertion in model container [2019-01-14 04:17:46,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:17:46" (1/1) ... [2019-01-14 04:17:46,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:17:46,696 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:17:47,075 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:17:47,091 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:17:47,256 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:17:47,301 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:17:47,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47 WrapperNode [2019-01-14 04:17:47,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:17:47,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:17:47,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:17:47,302 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:17:47,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:17:47,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:17:47,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:17:47,368 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:17:47,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... [2019-01-14 04:17:47,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:17:47,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:17:47,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:17:47,412 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:17:47,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:17:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:17:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:17:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:17:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:17:48,382 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:17:48,382 INFO L286 CfgBuilder]: Removed 72 assue(true) statements. [2019-01-14 04:17:48,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:17:48 BoogieIcfgContainer [2019-01-14 04:17:48,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:17:48,384 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:17:48,385 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:17:48,390 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:17:48,392 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:17:48,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:17:46" (1/3) ... [2019-01-14 04:17:48,393 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59bc69d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:17:48, skipping insertion in model container [2019-01-14 04:17:48,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:17:48,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:17:47" (2/3) ... [2019-01-14 04:17:48,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59bc69d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:17:48, skipping insertion in model container [2019-01-14 04:17:48,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:17:48,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:17:48" (3/3) ... [2019-01-14 04:17:48,396 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2019-01-14 04:17:48,454 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:17:48,455 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:17:48,455 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:17:48,456 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:17:48,456 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:17:48,456 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:17:48,456 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:17:48,456 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:17:48,456 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:17:48,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-01-14 04:17:48,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-01-14 04:17:48,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:17:48,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:17:48,508 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:17:48,508 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:17:48,508 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:17:48,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-01-14 04:17:48,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-01-14 04:17:48,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:17:48,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:17:48,514 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:17:48,515 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:17:48,520 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 25#L348true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 29#L356true main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 54#L445true assume 0 != main_~tmp~1; 3#L420true ~methAndRunningLastTime~0 := 0; 47#L832true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L843-1true [2019-01-14 04:17:48,520 INFO L796 eck$LassoCheckResult]: Loop: 49#L843-1true assume !false; 4#L186true assume test_~splverifierCounter~0 < 4; 17#L187true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 39#L195true assume !(0 != test_~tmp~0); 37#L195-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 27#L205true assume !(0 != test_~tmp___0~0); 24#L205-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 14#L215true assume 0 != test_~tmp___2~0; 31#L221-1true assume !(0 != ~pumpRunning~0); 61#L57true assume !(0 != ~systemActive~0); 53#L64true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 21#L286true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 45#L843true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 49#L843-1true [2019-01-14 04:17:48,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:17:48,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:17:48,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:17:48,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:17:48,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:48,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:17:48,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:49,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:17:49,383 INFO L82 PathProgramCache]: Analyzing trace with hash 10387603, now seen corresponding path program 1 times [2019-01-14 04:17:49,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:17:49,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:17:49,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:49,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:17:49,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:17:49,400 INFO L82 PathProgramCache]: Analyzing trace with hash 843684109, now seen corresponding path program 1 times [2019-01-14 04:17:49,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:17:49,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:17:49,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:49,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:17:49,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:17:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:17:49,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:17:49,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:17:49,948 WARN L181 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:17:49,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:17:49,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:17:49,983 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 6 states. [2019-01-14 04:17:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:17:50,253 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2019-01-14 04:17:50,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:17:50,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 229 transitions. [2019-01-14 04:17:50,266 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 103 [2019-01-14 04:17:50,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 145 states and 208 transitions. [2019-01-14 04:17:50,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2019-01-14 04:17:50,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2019-01-14 04:17:50,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 208 transitions. [2019-01-14 04:17:50,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:17:50,279 INFO L706 BuchiCegarLoop]: Abstraction has 145 states and 208 transitions. [2019-01-14 04:17:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 208 transitions. [2019-01-14 04:17:50,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2019-01-14 04:17:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-01-14 04:17:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2019-01-14 04:17:50,325 INFO L729 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-01-14 04:17:50,326 INFO L609 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-01-14 04:17:50,326 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:17:50,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 139 transitions. [2019-01-14 04:17:50,329 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 68 [2019-01-14 04:17:50,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:17:50,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:17:50,330 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:17:50,331 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:17:50,332 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(77, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(101, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(116, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(104, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string26.base, #t~string26.offset, 1);call write~init~int(82, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(73, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(84, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 4 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(75, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~methAndRunningLastTime~0 := 0; 257#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 258#L348 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 279#L356 main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 284#L445 assume 0 != main_~tmp~1; 244#L420 ~methAndRunningLastTime~0 := 0; 245#L832 havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 266#L843-1 [2019-01-14 04:17:50,332 INFO L796 eck$LassoCheckResult]: Loop: 266#L843-1 assume !false; 246#L186 assume test_~splverifierCounter~0 < 4; 247#L187 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 267#L195 assume !(0 != test_~tmp~0); 286#L195-1 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 280#L205 assume !(0 != test_~tmp___0~0); 278#L205-1 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 262#L215 assume 0 != test_~tmp___2~0; 264#L221-1 assume !(0 != ~pumpRunning~0); 283#L57 assume 0 != ~systemActive~0; 297#L64 havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 273#L286 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 274#L843 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 266#L843-1 [2019-01-14 04:17:50,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:17:50,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:17:50,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:17:50,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:17:50,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:50,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:17:50,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:50,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:17:50,673 INFO L82 PathProgramCache]: Analyzing trace with hash 10298230, now seen corresponding path program 1 times [2019-01-14 04:17:50,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:17:50,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:17:50,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:50,676 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:17:50,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:50,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:17:50,697 INFO L82 PathProgramCache]: Analyzing trace with hash 843594736, now seen corresponding path program 1 times [2019-01-14 04:17:50,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:17:50,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:17:50,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:50,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:17:50,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:17:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:17:51,408 WARN L181 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:17:51,791 WARN L181 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:18:18,526 WARN L181 SmtUtils]: Spent 26.71 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:18:31,381 WARN L181 SmtUtils]: Spent 12.84 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:18:31,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:18:31 BoogieIcfgContainer [2019-01-14 04:18:31,477 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:18:31,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:18:31,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:18:31,479 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:18:31,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:17:48" (3/4) ... [2019-01-14 04:18:31,487 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:18:31,567 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:18:31,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:18:31,568 INFO L168 Benchmark]: Toolchain (without parser) took 44961.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 951.3 MB in the beginning and 952.4 MB in the end (delta: -1.1 MB). Peak memory consumption was 308.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:31,570 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:18:31,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:31,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:18:31,572 INFO L168 Benchmark]: Boogie Preprocessor took 43.90 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. [2019-01-14 04:18:31,572 INFO L168 Benchmark]: RCFGBuilder took 971.73 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:31,575 INFO L168 Benchmark]: BuchiAutomizer took 43093.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.1 GB in the beginning and 952.4 MB in the end (delta: 128.3 MB). Peak memory consumption was 408.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:18:31,576 INFO L168 Benchmark]: Witness Printer took 88.14 ms. Allocated memory is still 1.3 GB. Free memory was 952.4 MB in the beginning and 952.4 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-01-14 04:18:31,585 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 692.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.90 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. * RCFGBuilder took 971.73 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43093.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.1 GB in the beginning and 952.4 MB in the end (delta: 128.3 MB). Peak memory consumption was 408.1 MB. Max. memory is 11.5 GB. * Witness Printer took 88.14 ms. Allocated memory is still 1.3 GB. Free memory was 952.4 MB in the beginning and 952.4 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 97 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.5s. Construction of modules took 0.1s. 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, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 97 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 290 SDslu, 392 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 185]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1028} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-15, NULL=-5, NULL=0, NULL=1028, retValue_acc=0, NULL=0, NULL=0, NULL=-21, NULL=-22, NULL=-18, methaneLevelCritical=0, NULL=-4, NULL=0, NULL=-2, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-11, cleanupTimeShifts=4, tmp=0, NULL=-1, NULL=-6, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=-13, retValue_acc=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=-8, NULL=0, NULL=0, NULL=0, NULL=-3, \result=1, head=0, pumpRunning=0, \result=0, NULL=-10, tmp=1, NULL=0, NULL=0, retValue_acc=1, NULL=-7, NULL=-9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c40ba24=0, tmp___2=62, tmp___0=0, NULL=-16, NULL=-19, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2df930fb=62, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e5d48ae=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55915ed0=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4789e06e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@424f5cb1=0, NULL=0, NULL=0, NULL=-20, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4014a568=0, NULL=1027, NULL=0, NULL=-17, NULL=-24, tmp=0, NULL=-23, NULL=-12} - 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; [L243] int waterLevel = 1; [L244] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L628] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L826] int methAndRunningLastTime ; [L436] int retValue_acc ; [L437] int tmp ; [L352] int retValue_acc ; [L355] retValue_acc = 1 [L356] return (retValue_acc); [L443] tmp = valid_product() [L445] COND TRUE \read(tmp) [L831] methAndRunningLastTime = 0 [L176] int splverifierCounter ; [L177] int tmp ; [L178] int tmp___0 ; [L179] int tmp___1 ; [L180] int tmp___2 ; [L183] splverifierCounter = 0 Loop: [L185] COND TRUE 1 [L187] COND TRUE splverifierCounter < 4 [L193] tmp = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp)) [L203] tmp___0 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___0)) [L213] tmp___2 = __VERIFIER_nondet_int() [L215] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L836] int tmp ; [L837] int tmp___0 ; [L282] int retValue_acc ; [L285] retValue_acc = methaneLevelCritical [L286] return (retValue_acc); [L841] tmp = isMethaneLevelCritical() [L843] COND FALSE !(\read(tmp)) [L859] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...