./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product43_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product43_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 437b76c0cd9dd6f0417f690a0c81e41159d0829e ................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:59:44,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:59:44,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:59:44,450 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:59:44,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:59:44,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:59:44,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:59:44,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:59:44,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:59:44,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:59:44,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:59:44,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:59:44,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:59:44,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:59:44,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:59:44,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:59:44,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:59:44,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:59:44,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:59:44,470 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:59:44,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:59:44,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:59:44,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:59:44,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:59:44,476 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:59:44,477 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:59:44,478 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:59:44,479 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:59:44,479 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:59:44,481 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:59:44,481 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:59:44,482 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:59:44,482 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:59:44,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:59:44,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:59:44,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:59:44,488 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:59:44,522 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:59:44,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:59:44,524 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:59:44,524 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:59:44,524 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:59:44,526 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:59:44,526 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:59:44,526 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:59:44,526 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:59:44,526 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:59:44,527 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:59:44,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:59:44,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:59:44,527 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:59:44,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:59:44,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:59:44,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:59:44,529 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:59:44,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:59:44,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:59:44,530 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:59:44,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:59:44,531 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:59:44,531 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:59:44,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:59:44,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:59:44,531 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:59:44,532 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:59:44,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:59:44,532 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:59:44,532 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:59:44,536 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:59:44,537 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 -> 437b76c0cd9dd6f0417f690a0c81e41159d0829e [2018-11-28 23:59:44,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:59:44,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:59:44,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:59:44,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:59:44,595 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:59:44,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product43_false-unreach-call_false-termination.cil.c [2018-11-28 23:59:44,667 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9074b4d96/99a47c85c55f4f12b32eefb411102b5a/FLAG38969d3ee [2018-11-28 23:59:45,163 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:59:45,164 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product43_false-unreach-call_false-termination.cil.c [2018-11-28 23:59:45,192 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9074b4d96/99a47c85c55f4f12b32eefb411102b5a/FLAG38969d3ee [2018-11-28 23:59:45,448 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9074b4d96/99a47c85c55f4f12b32eefb411102b5a [2018-11-28 23:59:45,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:59:45,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:59:45,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:45,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:59:45,464 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:59:45,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:45" (1/1) ... [2018-11-28 23:59:45,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35535dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:45, skipping insertion in model container [2018-11-28 23:59:45,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:45" (1/1) ... [2018-11-28 23:59:45,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:59:45,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:59:45,952 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:45,980 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:59:46,072 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:46,123 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:59:46,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46 WrapperNode [2018-11-28 23:59:46,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:46,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:46,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:59:46,125 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:59:46,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:46,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:59:46,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:59:46,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:59:46,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... [2018-11-28 23:59:46,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:59:46,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:59:46,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:59:46,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:59:46,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:59:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:59:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:59:46,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:59:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:59:47,702 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:59:47,702 INFO L280 CfgBuilder]: Removed 118 assue(true) statements. [2018-11-28 23:59:47,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:47 BoogieIcfgContainer [2018-11-28 23:59:47,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:59:47,703 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:59:47,704 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:59:47,707 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:59:47,708 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:47,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:59:45" (1/3) ... [2018-11-28 23:59:47,710 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36ed52ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:47, skipping insertion in model container [2018-11-28 23:59:47,711 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:47,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:46" (2/3) ... [2018-11-28 23:59:47,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36ed52ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:47, skipping insertion in model container [2018-11-28 23:59:47,711 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:47,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:47" (3/3) ... [2018-11-28 23:59:47,714 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product43_false-unreach-call_false-termination.cil.c [2018-11-28 23:59:47,773 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:59:47,774 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:59:47,774 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:59:47,774 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:59:47,774 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:59:47,774 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:59:47,775 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:59:47,775 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:59:47,776 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:59:47,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states. [2018-11-28 23:59:47,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-11-28 23:59:47,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:47,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:47,840 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:47,840 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:47,840 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:59:47,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states. [2018-11-28 23:59:47,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-11-28 23:59:47,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:47,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:47,848 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:47,849 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:47,854 INFO L794 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(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.alloc(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.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 14#L-1true havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 51#L531true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 70#L539true main_#t~ret24 := valid_product_#res;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 72#L400true assume 0 != main_~tmp~4; 63#L374true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; 43#L918-1true [2018-11-28 23:59:47,855 INFO L796 eck$LassoCheckResult]: Loop: 43#L918-1true assume !false; 71#L56true assume test_~splverifierCounter~0 < 4; 88#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 22#L65true assume !(0 != test_~tmp~0); 18#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 84#L75true assume !(0 != test_~tmp___0~0); 82#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 67#L85true assume 0 != test_~tmp___2~0; 4#L91-1true assume !(0 != ~pumpRunning~0); 52#L128true assume !(0 != ~systemActive~0); 9#L135true havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 45#L490true __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 41#L918true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 43#L918-1true [2018-11-28 23:59:47,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:47,865 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:59:47,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:47,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:47,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:47,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:47,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:48,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1672602485, now seen corresponding path program 1 times [2018-11-28 23:59:48,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:48,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:48,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:48,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:48,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:48,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:48,189 INFO L82 PathProgramCache]: Analyzing trace with hash 41676453, now seen corresponding path program 1 times [2018-11-28 23:59:48,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:48,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:48,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:48,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:48,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:59:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:59:48,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:59:48,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:59:48,674 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:59:48,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:59:48,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:59:48,754 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 6 states. [2018-11-28 23:59:49,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:59:49,090 INFO L93 Difference]: Finished difference Result 216 states and 300 transitions. [2018-11-28 23:59:49,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:59:49,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 300 transitions. [2018-11-28 23:59:49,111 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 137 [2018-11-28 23:59:49,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 195 states and 279 transitions. [2018-11-28 23:59:49,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2018-11-28 23:59:49,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2018-11-28 23:59:49,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 279 transitions. [2018-11-28 23:59:49,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:59:49,136 INFO L705 BuchiCegarLoop]: Abstraction has 195 states and 279 transitions. [2018-11-28 23:59:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 279 transitions. [2018-11-28 23:59:49,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 120. [2018-11-28 23:59:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-28 23:59:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 171 transitions. [2018-11-28 23:59:49,185 INFO L728 BuchiCegarLoop]: Abstraction has 120 states and 171 transitions. [2018-11-28 23:59:49,185 INFO L608 BuchiCegarLoop]: Abstraction has 120 states and 171 transitions. [2018-11-28 23:59:49,185 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:59:49,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 171 transitions. [2018-11-28 23:59:49,189 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 84 [2018-11-28 23:59:49,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:49,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:49,190 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:49,190 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:49,190 INFO L794 eck$LassoCheckResult]: Stem: 377#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(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.alloc(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.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 336#L-1 havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 337#L531 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 378#L539 main_#t~ret24 := valid_product_#res;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 393#L400 assume 0 != main_~tmp~4; 388#L374 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; 371#L918-1 [2018-11-28 23:59:49,191 INFO L796 eck$LassoCheckResult]: Loop: 371#L918-1 assume !false; 372#L56 assume test_~splverifierCounter~0 < 4; 394#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 348#L65 assume !(0 != test_~tmp~0); 342#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 343#L75 assume !(0 != test_~tmp___0~0); 397#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 392#L85 assume 0 != test_~tmp___2~0; 320#L91-1 assume !(0 != ~pumpRunning~0); 322#L128 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 345#L160 assume !(0 == ~pumpRunning~0); 326#L135 havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 331#L490 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 370#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 371#L918-1 [2018-11-28 23:59:49,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:49,191 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:59:49,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:49,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:49,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:49,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:49,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:49,300 INFO L82 PathProgramCache]: Analyzing trace with hash -352838725, now seen corresponding path program 1 times [2018-11-28 23:59:49,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:49,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:49,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,301 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:59:49,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:59:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:59:49,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:59:49,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:59:49,323 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:59:49,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:59:49,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:59:49,327 INFO L87 Difference]: Start difference. First operand 120 states and 171 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-28 23:59:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:59:49,769 INFO L93 Difference]: Finished difference Result 159 states and 214 transitions. [2018-11-28 23:59:49,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:59:49,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 214 transitions. [2018-11-28 23:59:49,774 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2018-11-28 23:59:49,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 159 states and 214 transitions. [2018-11-28 23:59:49,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 159 [2018-11-28 23:59:49,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2018-11-28 23:59:49,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 214 transitions. [2018-11-28 23:59:49,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:59:49,779 INFO L705 BuchiCegarLoop]: Abstraction has 159 states and 214 transitions. [2018-11-28 23:59:49,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 214 transitions. [2018-11-28 23:59:49,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-28 23:59:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-28 23:59:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 214 transitions. [2018-11-28 23:59:49,791 INFO L728 BuchiCegarLoop]: Abstraction has 159 states and 214 transitions. [2018-11-28 23:59:49,791 INFO L608 BuchiCegarLoop]: Abstraction has 159 states and 214 transitions. [2018-11-28 23:59:49,791 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:59:49,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 214 transitions. [2018-11-28 23:59:49,794 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2018-11-28 23:59:49,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:49,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:49,796 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:49,796 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:49,796 INFO L794 eck$LassoCheckResult]: Stem: 678#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(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.alloc(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.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 626#L-1 havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 627#L531 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 679#L539 main_#t~ret24 := valid_product_#res;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 699#L400 assume 0 != main_~tmp~4; 692#L374 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; 664#L918-1 [2018-11-28 23:59:49,800 INFO L796 eck$LassoCheckResult]: Loop: 664#L918-1 assume !false; 747#L56 assume test_~splverifierCounter~0 < 4; 707#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 708#L65 assume !(0 != test_~tmp~0); 630#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 631#L75 assume !(0 != test_~tmp___0~0); 750#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 696#L85 assume 0 != test_~tmp___2~0; 605#L91-1 assume !(0 != ~pumpRunning~0); 606#L128 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 632#L160 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 633#L498 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 681#L503 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 700#L280 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 706#L280-2 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 669#L286 processEnvironment_#t~ret4 := isHighWaterLevel_#res;processEnvironment_~tmp~1 := processEnvironment_#t~ret4;havoc processEnvironment_#t~ret4; 649#L164 assume !(0 != processEnvironment_~tmp~1); 608#L135 havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 670#L490 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 662#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 664#L918-1 [2018-11-28 23:59:49,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 23:59:49,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:49,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:49,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:49,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:49,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:49,890 INFO L82 PathProgramCache]: Analyzing trace with hash -539212889, now seen corresponding path program 1 times [2018-11-28 23:59:49,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:49,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:49,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,892 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:59:49,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:49,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash -524500915, now seen corresponding path program 1 times [2018-11-28 23:59:49,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:49,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:49,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:49,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:50,538 WARN L180 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-28 23:59:50,973 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-11-28 23:59:58,384 WARN L180 SmtUtils]: Spent 7.40 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-29 00:00:01,810 WARN L180 SmtUtils]: Spent 3.43 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-29 00:00:01,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:00:01 BoogieIcfgContainer [2018-11-29 00:00:01,900 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:00:01,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:00:01,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:00:01,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:00:01,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:47" (3/4) ... [2018-11-29 00:00:01,905 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-29 00:00:01,971 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-29 00:00:01,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:00:01,973 INFO L168 Benchmark]: Toolchain (without parser) took 16518.10 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.9 MB). Free memory was 951.3 MB in the beginning and 913.0 MB in the end (delta: 38.4 MB). Peak memory consumption was 328.3 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:01,974 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:00:01,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:01,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:01,977 INFO L168 Benchmark]: Boogie Preprocessor took 91.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:00:01,978 INFO L168 Benchmark]: RCFGBuilder took 1312.08 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:01,978 INFO L168 Benchmark]: BuchiAutomizer took 14196.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.1 GB in the beginning and 922.0 MB in the end (delta: 162.3 MB). Peak memory consumption was 347.4 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:01,980 INFO L168 Benchmark]: Witness Printer took 71.08 ms. Allocated memory is still 1.3 GB. Free memory was 922.0 MB in the beginning and 913.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:01,984 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 664.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.61 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 1312.08 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14196.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.1 GB in the beginning and 922.0 MB in the end (delta: 162.3 MB). Peak memory consumption was 347.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.08 ms. Allocated memory is still 1.3 GB. Free memory was 922.0 MB in the beginning and 913.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 159 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 13.0s. Construction of modules took 0.6s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 159 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 227 SDtfs, 537 SDslu, 626 SDs, 0 SdLazy, 64 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=34, NULL=19, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60c9efa4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f3fa656=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@457ba302=56, NULL=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bbf93=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54f1ab10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d67c0cb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@766fab9d=0, NULL=8, NULL=27, methaneLevelCritical=0, NULL=36, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=33, NULL=0, tmp___1=0, NULL=0, NULL=16, NULL=23, cleanupTimeShifts=4, tmp=0, NULL=14, NULL=24, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=18, NULL=0, NULL=15, \result=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7344cf9d=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=31, head=0, pumpRunning=0, NULL=35, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@216e49ba=0, tmp=1, NULL=26, NULL=0, NULL=0, NULL=0, \result=1, NULL=39, NULL=28, retValue_acc=1, tmp=1, tmp=1, tmp___2=56, NULL=11, NULL=29, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=22, tmp=0, head=0, NULL=0, NULL=0, NULL=0, NULL=38, NULL=17, NULL=0, NULL=12, NULL=20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L391] int retValue_acc ; [L392] int tmp ; [L535] int retValue_acc ; [L538] retValue_acc = 1 [L539] return (retValue_acc); [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L128] COND FALSE !(\read(pumpRunning)) [L135] COND TRUE \read(systemActive) [L157] int tmp ; [L160] COND TRUE ! pumpRunning [L272] int retValue_acc ; [L273] int tmp ; [L274] int tmp___0 ; [L495] int retValue_acc ; [L498] COND TRUE waterLevel < 2 [L499] retValue_acc = 1 [L500] return (retValue_acc); [L278] tmp = isHighWaterSensorDry() [L280] COND TRUE \read(tmp) [L281] tmp___0 = 0 [L285] retValue_acc = tmp___0 [L286] return (retValue_acc); [L162] tmp = isHighWaterLevel() [L164] COND FALSE !(\read(tmp)) [L911] int tmp ; [L912] int tmp___0 ; [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...