./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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_product50_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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-2e94e6a [2019-01-01 23:48:08,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:48:08,508 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:48:08,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:48:08,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:48:08,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:48:08,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:48:08,526 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:48:08,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:48:08,528 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:48:08,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:48:08,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:48:08,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:48:08,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:48:08,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:48:08,534 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:48:08,535 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:48:08,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:48:08,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:48:08,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:48:08,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:48:08,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:48:08,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:48:08,547 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:48:08,547 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:48:08,548 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:48:08,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:48:08,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:48:08,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:48:08,552 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:48:08,553 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:48:08,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:48:08,554 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:48:08,554 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:48:08,555 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:48:08,556 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:48:08,556 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:48:08,573 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:48:08,574 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:48:08,575 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:48:08,575 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:48:08,575 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:48:08,576 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:48:08,576 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:48:08,576 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:48:08,577 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:48:08,577 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:48:08,577 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:48:08,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:48:08,577 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:48:08,578 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:48:08,578 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:48:08,578 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:48:08,578 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:48:08,578 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:48:08,578 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:48:08,579 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:48:08,580 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:48:08,580 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:48:08,581 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:48:08,581 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:48:08,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:48:08,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:48:08,581 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:48:08,582 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:48:08,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:48:08,583 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:48:08,583 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:48:08,584 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:48:08,584 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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-01-01 23:48:08,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:48:08,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:48:08,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:48:08,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:48:08,656 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:48:08,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:08,725 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8972380/16ca039464eb4cf6b52e078426b5ceed/FLAGa19f4be72 [2019-01-01 23:48:09,267 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:48:09,268 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:09,282 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8972380/16ca039464eb4cf6b52e078426b5ceed/FLAGa19f4be72 [2019-01-01 23:48:09,578 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa8972380/16ca039464eb4cf6b52e078426b5ceed [2019-01-01 23:48:09,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:48:09,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:48:09,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:48:09,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:48:09,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:48:09,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:48:09" (1/1) ... [2019-01-01 23:48:09,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:09, skipping insertion in model container [2019-01-01 23:48:09,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:48:09" (1/1) ... [2019-01-01 23:48:09,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:48:09,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:48:10,108 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:48:10,132 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:48:10,267 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:48:10,393 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:48:10,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10 WrapperNode [2019-01-01 23:48:10,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:48:10,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:48:10,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:48:10,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:48:10,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:48:10,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:48:10,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:48:10,492 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:48:10,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (1/1) ... [2019-01-01 23:48:10,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:48:10,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:48:10,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:48:10,564 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:48:10,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (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 [2019-01-01 23:48:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:48:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:48:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:48:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:48:11,977 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:48:11,977 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2019-01-01 23:48:11,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:11 BoogieIcfgContainer [2019-01-01 23:48:11,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:48:11,979 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:48:11,979 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:48:11,983 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:48:11,984 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:11,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:48:09" (1/3) ... [2019-01-01 23:48:11,985 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b4de2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:48:11, skipping insertion in model container [2019-01-01 23:48:11,985 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:11,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:48:10" (2/3) ... [2019-01-01 23:48:11,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b4de2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:48:11, skipping insertion in model container [2019-01-01 23:48:11,986 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:48:11,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:11" (3/3) ... [2019-01-01 23:48:11,988 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2019-01-01 23:48:12,054 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:48:12,055 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:48:12,055 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:48:12,055 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:48:12,055 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:48:12,055 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:48:12,055 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:48:12,056 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:48:12,056 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:48:12,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-01-01 23:48:12,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-01-01 23:48:12,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:12,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:12,118 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:12,119 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:12,119 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:48:12,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-01-01 23:48:12,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-01-01 23:48:12,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:12,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:12,129 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:12,129 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:12,136 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 46#L570true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 50#L578true main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 98#L525true assume 0 != main_~tmp~4; 64#L498true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L417-1true [2019-01-01 23:48:12,136 INFO L796 eck$LassoCheckResult]: Loop: 16#L417-1true assume !false; 4#L910true assume test_~splverifierCounter~0 < 4; 68#L911true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 73#L919true assume !(0 != test_~tmp~9); 77#L919-1true test_~tmp___0~3 := test_#t~nondet71;havoc test_#t~nondet71; 14#L929true assume !(0 != test_~tmp___0~3); 17#L929-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 40#L939true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L947-2true assume !(0 != ~pumpRunning~0); 112#L701true assume !(0 != ~systemActive~0); 29#L708true havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __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~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 74#L663true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 15#L417true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 16#L417-1true [2019-01-01 23:48:12,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:12,143 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:48:12,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:12,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:12,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:12,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:12,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:13,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:13,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1678820861, now seen corresponding path program 1 times [2019-01-01 23:48:13,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:13,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:13,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:13,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:13,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:48:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:48:13,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:48:13,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:48:13,163 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:48:13,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:48:13,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:48:13,182 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 3 states. [2019-01-01 23:48:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:48:13,294 INFO L93 Difference]: Finished difference Result 114 states and 164 transitions. [2019-01-01 23:48:13,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:48:13,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 164 transitions. [2019-01-01 23:48:13,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-01-01 23:48:13,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 107 states and 156 transitions. [2019-01-01 23:48:13,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2019-01-01 23:48:13,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2019-01-01 23:48:13,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 156 transitions. [2019-01-01 23:48:13,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:48:13,326 INFO L705 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-01-01 23:48:13,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 156 transitions. [2019-01-01 23:48:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-01-01 23:48:13,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-01 23:48:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2019-01-01 23:48:13,367 INFO L728 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-01-01 23:48:13,367 INFO L608 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-01-01 23:48:13,367 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:48:13,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 156 transitions. [2019-01-01 23:48:13,370 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-01-01 23:48:13,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:13,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:13,371 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:13,371 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:48:13,372 INFO L794 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 252#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 253#L570 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 304#L578 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 309#L525 assume 0 != main_~tmp~4; 323#L498 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 263#L417-1 [2019-01-01 23:48:13,372 INFO L796 eck$LassoCheckResult]: Loop: 263#L417-1 assume !false; 239#L910 assume test_~splverifierCounter~0 < 4; 240#L911 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 325#L919 assume !(0 != test_~tmp~9); 295#L919-1 test_~tmp___0~3 := test_#t~nondet71;havoc test_#t~nondet71; 259#L929 assume !(0 != test_~tmp___0~3); 260#L929-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 265#L939 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 298#L947-2 assume !(0 != ~pumpRunning~0); 302#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 340#L759 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 277#L733-1 assume !(0 == ~pumpRunning~0); 275#L708 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __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~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 284#L663 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 262#L417 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 263#L417-1 [2019-01-01 23:48:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:13,373 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:48:13,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:13,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:13,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:13,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:13,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:13,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:13,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1079829887, now seen corresponding path program 1 times [2019-01-01 23:48:13,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:13,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:13,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:13,717 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:48:13,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:48:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:48:13,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:48:13,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:48:13,773 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:48:13,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:48:13,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:48:13,776 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. cyclomatic complexity: 51 Second operand 3 states. [2019-01-01 23:48:14,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:48:14,279 INFO L93 Difference]: Finished difference Result 148 states and 204 transitions. [2019-01-01 23:48:14,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:48:14,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 204 transitions. [2019-01-01 23:48:14,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2019-01-01 23:48:14,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 204 transitions. [2019-01-01 23:48:14,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2019-01-01 23:48:14,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2019-01-01 23:48:14,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 204 transitions. [2019-01-01 23:48:14,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:48:14,291 INFO L705 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-01-01 23:48:14,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 204 transitions. [2019-01-01 23:48:14,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-01-01 23:48:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-01-01 23:48:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 204 transitions. [2019-01-01 23:48:14,302 INFO L728 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-01-01 23:48:14,302 INFO L608 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-01-01 23:48:14,303 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:48:14,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 204 transitions. [2019-01-01 23:48:14,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2019-01-01 23:48:14,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:48:14,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:48:14,306 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:48:14,307 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, 1] [2019-01-01 23:48:14,307 INFO L794 eck$LassoCheckResult]: Stem: 585#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 513#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 514#L570 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 567#L578 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 572#L525 assume 0 != main_~tmp~4; 586#L498 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 587#L417-1 [2019-01-01 23:48:14,308 INFO L796 eck$LassoCheckResult]: Loop: 587#L417-1 assume !false; 637#L910 assume test_~splverifierCounter~0 < 4; 636#L911 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 594#L919 assume !(0 != test_~tmp~9); 558#L919-1 test_~tmp___0~3 := test_#t~nondet71;havoc test_#t~nondet71; 520#L929 assume !(0 != test_~tmp___0~3); 521#L929-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 526#L939 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 562#L947-2 assume !(0 != ~pumpRunning~0); 566#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 608#L759 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 538#L733-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 539#L671-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 503#L676-1 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 504#L861-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 592#L861-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 573#L867-1 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 574#L737-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 560#L708 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __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~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 641#L663 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 639#L417 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 587#L417-1 [2019-01-01 23:48:14,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:14,308 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-01 23:48:14,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:14,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:14,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:14,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:14,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:14,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:14,547 INFO L82 PathProgramCache]: Analyzing trace with hash -246413043, now seen corresponding path program 1 times [2019-01-01 23:48:14,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:14,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:14,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:14,548 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:48:14,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:14,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:48:14,577 INFO L82 PathProgramCache]: Analyzing trace with hash 209658151, now seen corresponding path program 1 times [2019-01-01 23:48:14,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:48:14,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:48:14,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:14,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:48:14,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:48:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:48:16,016 WARN L181 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-01-01 23:48:16,532 WARN L181 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-01 23:48:43,956 WARN L181 SmtUtils]: Spent 27.40 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:48:57,073 WARN L181 SmtUtils]: Spent 13.12 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:48:57,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:48:57 BoogieIcfgContainer [2019-01-01 23:48:57,148 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:48:57,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:48:57,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:48:57,149 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:48:57,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:48:11" (3/4) ... [2019-01-01 23:48:57,154 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:48:57,245 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:48:57,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:48:57,246 INFO L168 Benchmark]: Toolchain (without parser) took 47662.75 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.9 MB). Free memory was 952.7 MB in the beginning and 872.0 MB in the end (delta: 80.7 MB). Peak memory consumption was 358.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:48:57,248 INFO L168 Benchmark]: CDTParser took 1.47 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. [2019-01-01 23:48:57,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:48:57,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:48:57,259 INFO L168 Benchmark]: Boogie Preprocessor took 71.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:48:57,259 INFO L168 Benchmark]: RCFGBuilder took 1414.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:48:57,260 INFO L168 Benchmark]: BuchiAutomizer took 45169.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 874.1 MB in the end (delta: 144.2 MB). Peak memory consumption was 418.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:48:57,260 INFO L168 Benchmark]: Witness Printer took 97.04 ms. Allocated memory is still 1.3 GB. Free memory was 874.1 MB in the beginning and 872.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:48:57,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 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 808.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1414.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45169.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 874.1 MB in the end (delta: 144.2 MB). Peak memory consumption was 418.3 MB. Max. memory is 11.5 GB. * Witness Printer took 97.04 ms. Allocated memory is still 1.3 GB. Free memory was 874.1 MB in the beginning and 872.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 3 locations. The remainder module has 148 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 44.2s. Construction of modules took 0.5s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 148 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 319 SDtfs, 264 SDslu, 66 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 909]: 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 {NULL=0, NULL=-17, NULL=0, NULL=0, NULL=0, NULL=-11, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e93770c=0, retValue_acc=0, NULL=0, NULL=0, NULL=-23, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70812330=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f06630d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bff80f7=0, NULL=0, NULL=0, tmp___1=0, tmp=0, NULL=-18, NULL=-6, NULL=-25, tmp___0=0, NULL=-10, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a6ba3a7=0, NULL=-14, NULL=-19, tmp=0, NULL=-20, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, \result=0, NULL=-21, NULL=0, NULL=0, NULL=0, \result=1, NULL=-24, head=0, pumpRunning=0, retValue_acc=1, NULL=-22, \result=0, NULL=-3, tmp=1, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f41a288=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5acfd184=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3808a681=70, NULL=-9, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72d149d1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@472d2b82=0, NULL=-8, retValue_acc=0, tmp=1, tmp=1, tmp___0=0, retValue_acc=1, tmp___2=70, NULL=-12, splverifierCounter=0, NULL=0, NULL=-16, head=0, NULL=0, NULL=-4, tmp=0, NULL=-7, NULL=0, NULL=-13, NULL=0, NULL=0, NULL=-15, NULL=0, NULL=-1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L435] int cleanupTimeShifts = 4; [L588] int waterLevel = 1; [L589] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; [L516] int retValue_acc ; [L517] int tmp ; [L574] int retValue_acc ; [L577] retValue_acc = 1 [L578] return (retValue_acc); [L523] tmp = valid_product() [L525] COND TRUE \read(tmp) [L900] int splverifierCounter ; [L901] int tmp ; [L902] int tmp___0 ; [L903] int tmp___1 ; [L904] int tmp___2 ; [L907] splverifierCounter = 0 Loop: [L909] COND TRUE 1 [L911] COND TRUE splverifierCounter < 4 [L917] tmp = __VERIFIER_nondet_int() [L919] COND FALSE !(\read(tmp)) [L927] tmp___0 = __VERIFIER_nondet_int() [L929] COND FALSE !(\read(tmp___0)) [L937] tmp___2 = __VERIFIER_nondet_int() [L939] COND TRUE \read(tmp___2) [L894] systemActive = 1 [L701] COND FALSE !(\read(pumpRunning)) [L708] COND TRUE \read(systemActive) [L756] int tmp ; [L759] COND FALSE !(\read(pumpRunning)) [L730] int tmp ; [L733] COND TRUE ! pumpRunning [L853] int retValue_acc ; [L854] int tmp ; [L855] int tmp___0 ; [L668] int retValue_acc ; [L671] COND TRUE waterLevel < 2 [L672] retValue_acc = 1 [L673] return (retValue_acc); [L859] tmp = isHighWaterSensorDry() [L861] COND TRUE \read(tmp) [L862] tmp___0 = 0 [L866] retValue_acc = tmp___0 [L867] return (retValue_acc); [L735] tmp = isHighWaterLevel() [L737] COND FALSE !(\read(tmp)) [L410] int tmp ; [L411] int tmp___0 ; [L659] int retValue_acc ; [L662] retValue_acc = waterLevel [L663] return (retValue_acc); [L415] tmp = getWaterLevel() [L417] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...