./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_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_spec4_product13_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 44f1ef45a377efa065428e9ab52d4697ba35b901 .................................................................................................................................................................................................................................................................................................................................................................. 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 04:25:54,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:25:54,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:25:54,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:25:54,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:25:54,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:25:54,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:25:54,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:25:54,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:25:54,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:25:54,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:25:54,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:25:54,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:25:54,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:25:54,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:25:54,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:25:54,561 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:25:54,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:25:54,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:25:54,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:25:54,568 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:25:54,570 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:25:54,572 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:25:54,573 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:25:54,573 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:25:54,574 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:25:54,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:25:54,576 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:25:54,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:25:54,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:25:54,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:25:54,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:25:54,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:25:54,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:25:54,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:25:54,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:25:54,582 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:25:54,600 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:25:54,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:25:54,602 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:25:54,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:25:54,604 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:25:54,604 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:25:54,604 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:25:54,605 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:25:54,605 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:25:54,605 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:25:54,605 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:25:54,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:25:54,605 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:25:54,606 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:25:54,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:25:54,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:25:54,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:25:54,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:25:54,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:25:54,607 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:25:54,608 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:25:54,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:25:54,608 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:25:54,608 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:25:54,608 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:25:54,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:25:54,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:25:54,609 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:25:54,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:25:54,609 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:25:54,609 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:25:54,610 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:25:54,611 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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2019-01-14 04:25:54,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:25:54,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:25:54,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:25:54,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:25:54,688 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:25:54,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2019-01-14 04:25:54,749 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98b44b417/a775d579bda140b4a4f6ca9cef47164f/FLAG787dc9a30 [2019-01-14 04:25:55,249 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:25:55,250 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2019-01-14 04:25:55,265 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98b44b417/a775d579bda140b4a4f6ca9cef47164f/FLAG787dc9a30 [2019-01-14 04:25:55,586 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98b44b417/a775d579bda140b4a4f6ca9cef47164f [2019-01-14 04:25:55,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:25:55,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:25:55,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:25:55,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:25:55,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:25:55,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:25:55" (1/1) ... [2019-01-14 04:25:55,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743af7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:55, skipping insertion in model container [2019-01-14 04:25:55,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:25:55" (1/1) ... [2019-01-14 04:25:55,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:25:55,677 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:25:56,014 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:25:56,042 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:25:56,231 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:25:56,280 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:25:56,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56 WrapperNode [2019-01-14 04:25:56,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:25:56,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:25:56,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:25:56,282 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:25:56,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:25:56,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:25:56,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:25:56,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:25:56,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (1/1) ... [2019-01-14 04:25:56,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:25:56,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:25:56,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:25:56,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:25:56,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (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 04:25:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:25:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:25:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:25:56,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:25:57,495 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:25:57,496 INFO L286 CfgBuilder]: Removed 96 assue(true) statements. [2019-01-14 04:25:57,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:25:57 BoogieIcfgContainer [2019-01-14 04:25:57,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:25:57,499 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:25:57,499 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:25:57,503 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:25:57,504 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:25:57,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:25:55" (1/3) ... [2019-01-14 04:25:57,506 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c893c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:25:57, skipping insertion in model container [2019-01-14 04:25:57,508 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:25:57,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:25:56" (2/3) ... [2019-01-14 04:25:57,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c893c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:25:57, skipping insertion in model container [2019-01-14 04:25:57,509 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:25:57,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:25:57" (3/3) ... [2019-01-14 04:25:57,511 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2019-01-14 04:25:57,578 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:25:57,579 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:25:57,579 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:25:57,579 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:25:57,579 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:25:57,579 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:25:57,580 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:25:57,580 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:25:57,580 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:25:57,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-01-14 04:25:57,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-01-14 04:25:57,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:25:57,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:25:57,642 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:25:57,642 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:25:57,643 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:25:57,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-01-14 04:25:57,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-01-14 04:25:57,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:25:57,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:25:57,649 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:25:57,650 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:25:57,656 INFO L794 eck$LassoCheckResult]: Stem: 20#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.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 9#L-1true havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 64#L869true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 4#L877true main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 36#L616true assume 0 != main_~tmp~4; 15#L589true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L510-1true [2019-01-14 04:25:57,657 INFO L796 eck$LassoCheckResult]: Loop: 37#L510-1true assume !false; 3#L793true assume test_~splverifierCounter~0 < 4; 27#L794true test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 31#L802true assume !(0 != test_~tmp~7); 32#L802-1true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 17#L812true assume !(0 != test_~tmp___0~1); 18#L812-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 5#L822true assume 0 != test_~tmp___2~0; 45#L828-2true assume !(0 != ~pumpRunning~0); 7#L639true assume !(0 != ~systemActive~0); 62#L646true havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 28#L121true __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; 34#L510true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 37#L510-1true [2019-01-14 04:25:57,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:57,670 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:25:57,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:57,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:57,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:57,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:57,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:58,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:58,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2019-01-14 04:25:58,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:58,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:58,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:58,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:58,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:58,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:58,594 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2019-01-14 04:25:58,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:58,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:58,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:58,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:58,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:25:58,836 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 04:25:58,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:25:58,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:25:59,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:25:59,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:25:59,025 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2019-01-14 04:25:59,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:25:59,302 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2019-01-14 04:25:59,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 04:25:59,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2019-01-14 04:25:59,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-01-14 04:25:59,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-01-14 04:25:59,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-01-14 04:25:59,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-01-14 04:25:59,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-01-14 04:25:59,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:25:59,329 INFO L706 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-01-14 04:25:59,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-01-14 04:25:59,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-14 04:25:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-14 04:25:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-01-14 04:25:59,374 INFO L729 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-01-14 04:25:59,374 INFO L609 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-01-14 04:25:59,374 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:25:59,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-01-14 04:25:59,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-01-14 04:25:59,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:25:59,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:25:59,378 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:25:59,378 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:25:59,379 INFO L794 eck$LassoCheckResult]: Stem: 175#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.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 164#L-1 havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 165#L869 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 153#L877 main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 154#L616 assume 0 != main_~tmp~4; 169#L589 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 170#L510-1 [2019-01-14 04:25:59,380 INFO L796 eck$LassoCheckResult]: Loop: 170#L510-1 assume !false; 150#L793 assume test_~splverifierCounter~0 < 4; 151#L794 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 187#L802 assume !(0 != test_~tmp~7); 193#L802-1 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 173#L812 assume !(0 != test_~tmp___0~1); 168#L812-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 155#L822 assume 0 != test_~tmp___2~0; 156#L828-2 assume !(0 != ~pumpRunning~0); 162#L639 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 163#L671 assume !(0 != ~pumpRunning~0); 207#L646 havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 188#L121 __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; 189#L510 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 170#L510-1 [2019-01-14 04:25:59,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:59,380 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:25:59,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:59,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:59,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:59,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:59,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:59,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:59,714 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2019-01-14 04:25:59,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:59,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:59,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:59,715 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:25:59,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:25:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:25:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2019-01-14 04:25:59,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:25:59,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:25:59,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:59,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:25:59,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:25:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:26:00,510 WARN L181 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:26:00,742 WARN L181 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:26:24,410 WARN L181 SmtUtils]: Spent 23.66 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:26:35,446 WARN L181 SmtUtils]: Spent 11.04 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:26:35,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:26:35 BoogieIcfgContainer [2019-01-14 04:26:35,535 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:26:35,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:26:35,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:26:35,535 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:26:35,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:25:57" (3/4) ... [2019-01-14 04:26:35,541 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:26:35,640 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:26:35,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:26:35,642 INFO L168 Benchmark]: Toolchain (without parser) took 40051.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -101.8 MB). Peak memory consumption was 214.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:35,643 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 04:26:35,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:35,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.17 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:35,647 INFO L168 Benchmark]: Boogie Preprocessor took 36.46 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 04:26:35,648 INFO L168 Benchmark]: RCFGBuilder took 1107.06 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:35,649 INFO L168 Benchmark]: BuchiAutomizer took 38035.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 403.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:35,650 INFO L168 Benchmark]: Witness Printer took 105.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:26:35,662 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 684.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.17 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.46 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 1107.06 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38035.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.5 MB). Peak memory consumption was 403.3 MB. Max. memory is 11.5 GB. * Witness Printer took 105.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.4s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 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: 792]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ea56bd0=0, NULL=0, NULL=0, NULL=0, NULL=-9, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=-11, NULL=0, NULL=-14, NULL=0, NULL=-19, NULL=-18, methaneLevelCritical=0, NULL=-8, NULL=-16, NULL=-20, NULL=0, tmp=0, tmp___1=0, NULL=-13, tmp___0=0, NULL=-6, NULL=-15, cleanupTimeShifts=4, NULL=-24, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35664489=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42f5ff42=0, NULL=-17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@720eda65=0, NULL=0, NULL=0, NULL=-21, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, NULL=-10, tmp=1, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37829355=70, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11e006a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6355ce70=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78bc33c6=0, tmp=1, NULL=-25, tmp___2=70, NULL=-1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-5, head=0, NULL=0, tmp=0, NULL=-7, NULL=0, NULL=0, NULL=-4, NULL=0, NULL=-12, NULL=-22, NULL=-2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L528] int cleanupTimeShifts = 4; [L632] int pumpRunning = 0; [L633] int systemActive = 1; [L607] int retValue_acc ; [L608] int tmp ; [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); [L614] tmp = valid_product() [L616] COND TRUE \read(tmp) [L783] int splverifierCounter ; [L784] int tmp ; [L785] int tmp___0 ; [L786] int tmp___1 ; [L787] int tmp___2 ; [L790] splverifierCounter = 0 Loop: [L792] COND TRUE 1 [L794] COND TRUE splverifierCounter < 4 [L800] tmp = __VERIFIER_nondet_int() [L802] COND FALSE !(\read(tmp)) [L810] tmp___0 = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp___0)) [L820] tmp___2 = __VERIFIER_nondet_int() [L822] COND TRUE \read(tmp___2) [L639] COND FALSE !(\read(pumpRunning)) [L646] COND TRUE \read(systemActive) [L668] int tmp ; [L671] COND FALSE !(\read(pumpRunning)) [L503] int tmp ; [L504] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L508] tmp = getWaterLevel() [L510] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...