./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product08_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 2898c1a8e6ddf29823b493aba00c6d729c0a21bb ................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:29:15,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:29:15,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:29:15,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:29:15,270 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:29:15,271 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:29:15,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:29:15,276 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:29:15,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:29:15,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:29:15,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:29:15,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:29:15,281 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:29:15,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:29:15,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:29:15,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:29:15,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:29:15,287 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:29:15,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:29:15,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:29:15,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:29:15,293 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:29:15,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:29:15,295 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:29:15,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:29:15,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:29:15,298 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:29:15,299 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:29:15,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:29:15,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:29:15,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:29:15,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:29:15,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:29:15,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:29:15,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:29:15,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:29:15,311 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:29:15,343 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:29:15,344 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:29:15,345 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:29:15,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:29:15,348 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:29:15,349 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:29:15,349 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:29:15,349 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:29:15,349 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:29:15,349 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:29:15,349 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:29:15,351 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:29:15,351 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:29:15,351 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:29:15,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:29:15,352 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:29:15,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:29:15,352 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:29:15,352 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:29:15,352 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:29:15,355 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:29:15,355 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:29:15,355 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:29:15,355 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:29:15,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:29:15,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:29:15,357 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:29:15,357 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:29:15,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:29:15,357 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:29:15,357 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:29:15,359 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:29:15,360 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 -> 2898c1a8e6ddf29823b493aba00c6d729c0a21bb [2019-01-14 04:29:15,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:29:15,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:29:15,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:29:15,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:29:15,431 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:29:15,432 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:29:15,482 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4032140a5/b997ca8ac8ed46e893c8ab16e4b0dac1/FLAG00383362c [2019-01-14 04:29:16,033 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:29:16,033 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:29:16,051 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4032140a5/b997ca8ac8ed46e893c8ab16e4b0dac1/FLAG00383362c [2019-01-14 04:29:16,261 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4032140a5/b997ca8ac8ed46e893c8ab16e4b0dac1 [2019-01-14 04:29:16,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:29:16,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:29:16,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:29:16,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:29:16,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:29:16,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:16,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3662ed3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16, skipping insertion in model container [2019-01-14 04:29:16,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:16,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:29:16,346 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:29:16,753 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:29:16,768 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:29:16,856 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:29:16,896 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:29:16,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16 WrapperNode [2019-01-14 04:29:16,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:29:16,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:29:16,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:29:16,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:29:16,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:16,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:29:17,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:29:17,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:29:17,039 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:29:17,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... [2019-01-14 04:29:17,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:29:17,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:29:17,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:29:17,102 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:29:17,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:29:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:29:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:29:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:29:17,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:29:18,310 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:29:18,311 INFO L286 CfgBuilder]: Removed 116 assue(true) statements. [2019-01-14 04:29:18,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:29:18 BoogieIcfgContainer [2019-01-14 04:29:18,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:29:18,313 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:29:18,313 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:29:18,316 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:29:18,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:29:18,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:29:16" (1/3) ... [2019-01-14 04:29:18,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c09d99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:29:18, skipping insertion in model container [2019-01-14 04:29:18,319 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:29:18,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:29:16" (2/3) ... [2019-01-14 04:29:18,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c09d99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:29:18, skipping insertion in model container [2019-01-14 04:29:18,319 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:29:18,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:29:18" (3/3) ... [2019-01-14 04:29:18,321 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product08_true-unreach-call_false-termination.cil.c [2019-01-14 04:29:18,368 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:29:18,369 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:29:18,369 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:29:18,369 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:29:18,370 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:29:18,370 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:29:18,370 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:29:18,370 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:29:18,370 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:29:18,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-01-14 04:29:18,416 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:29:18,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:29:18,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:29:18,425 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:18,425 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:18,426 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:29:18,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-01-14 04:29:18,431 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:29:18,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:29:18,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:29:18,433 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:18,433 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:18,439 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 15#L-1true havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2; 30#L406true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 35#L414true main_#t~ret22 := valid_product_#res;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 37#L370true assume 0 != main_~tmp~2; 60#L342true ~switchedOnBeforeTS~0 := 0; 12#L427true havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 70#L448-1true [2019-01-14 04:29:18,440 INFO L796 eck$LassoCheckResult]: Loop: 70#L448-1true assume !false; 75#L225true assume test_~splverifierCounter~0 < 4; 20#L226true test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 34#L234true assume !(0 != test_~tmp~1); 14#L234-1true test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 71#L244true assume !(0 != test_~tmp___0~0); 64#L244-1true test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 41#L254true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 52#L262-1true havoc __utac_acc__Specification5_spec__2_#t~ret24;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 31#L147true __utac_acc__Specification5_spec__2_#t~ret24 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret24;havoc __utac_acc__Specification5_spec__2_#t~ret24; 67#L437true assume !(0 != ~pumpRunning~0); 13#L62true assume !(0 != ~systemActive~0); 3#L69true havoc __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 53#L920true __utac_acc__Specification5_spec__3_#t~ret25 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret25;havoc __utac_acc__Specification5_spec__3_#t~ret25; 65#L448true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 70#L448-1true [2019-01-14 04:29:18,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:18,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:29:18,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:18,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:18,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:18,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:29:18,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:19,484 INFO L82 PathProgramCache]: Analyzing trace with hash 674918198, now seen corresponding path program 1 times [2019-01-14 04:29:19,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:19,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:19,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:19,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:29:19,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:29:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:29:19,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:29:19,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:29:19,618 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:29:19,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:29:19,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:29:19,641 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 3 states. [2019-01-14 04:29:19,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:29:19,905 INFO L93 Difference]: Finished difference Result 147 states and 203 transitions. [2019-01-14 04:29:19,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:29:19,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 203 transitions. [2019-01-14 04:29:19,927 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2019-01-14 04:29:19,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 133 states and 188 transitions. [2019-01-14 04:29:19,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 133 [2019-01-14 04:29:19,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 133 [2019-01-14 04:29:19,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 133 states and 188 transitions. [2019-01-14 04:29:19,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:29:19,951 INFO L706 BuchiCegarLoop]: Abstraction has 133 states and 188 transitions. [2019-01-14 04:29:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states and 188 transitions. [2019-01-14 04:29:19,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2019-01-14 04:29:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-01-14 04:29:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 185 transitions. [2019-01-14 04:29:20,005 INFO L729 BuchiCegarLoop]: Abstraction has 131 states and 185 transitions. [2019-01-14 04:29:20,006 INFO L609 BuchiCegarLoop]: Abstraction has 131 states and 185 transitions. [2019-01-14 04:29:20,006 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:29:20,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 185 transitions. [2019-01-14 04:29:20,011 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2019-01-14 04:29:20,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:29:20,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:29:20,014 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:20,014 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:20,014 INFO L794 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 257#L-1 havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2; 258#L406 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 279#L414 main_#t~ret22 := valid_product_#res;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 285#L370 assume 0 != main_~tmp~2; 287#L342 ~switchedOnBeforeTS~0 := 0; 251#L427 havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 252#L448-1 [2019-01-14 04:29:20,019 INFO L796 eck$LassoCheckResult]: Loop: 252#L448-1 assume !false; 320#L225 assume test_~splverifierCounter~0 < 4; 321#L226 test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 354#L234 assume !(0 != test_~tmp~1); 352#L234-1 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 351#L244 assume !(0 != test_~tmp___0~0); 349#L244-1 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 348#L254 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 294#L262-1 havoc __utac_acc__Specification5_spec__2_#t~ret24;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 346#L147 __utac_acc__Specification5_spec__2_#t~ret24 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret24;havoc __utac_acc__Specification5_spec__2_#t~ret24; 316#L437 assume !(0 != ~pumpRunning~0); 253#L62 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 254#L94 assume !(0 != ~pumpRunning~0); 233#L69 havoc __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 234#L920 __utac_acc__Specification5_spec__3_#t~ret25 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret25;havoc __utac_acc__Specification5_spec__3_#t~ret25; 309#L448 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3); 252#L448-1 [2019-01-14 04:29:20,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:20,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:29:20,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:20,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:20,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:20,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:29:20,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:20,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash -572900797, now seen corresponding path program 1 times [2019-01-14 04:29:20,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:20,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:20,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:20,411 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:29:20,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:20,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:20,429 INFO L82 PathProgramCache]: Analyzing trace with hash -747661431, now seen corresponding path program 1 times [2019-01-14 04:29:20,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:20,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:20,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:20,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:29:20,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:29:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:29:20,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:29:20,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:29:21,079 WARN L181 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-01-14 04:29:21,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 04:29:21,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 04:29:21,185 INFO L87 Difference]: Start difference. First operand 131 states and 185 transitions. cyclomatic complexity: 57 Second operand 5 states. [2019-01-14 04:29:21,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:29:21,676 INFO L93 Difference]: Finished difference Result 356 states and 495 transitions. [2019-01-14 04:29:21,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 04:29:21,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 356 states and 495 transitions. [2019-01-14 04:29:21,685 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 178 [2019-01-14 04:29:21,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 356 states to 356 states and 495 transitions. [2019-01-14 04:29:21,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 356 [2019-01-14 04:29:21,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 356 [2019-01-14 04:29:21,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 356 states and 495 transitions. [2019-01-14 04:29:21,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:29:21,694 INFO L706 BuchiCegarLoop]: Abstraction has 356 states and 495 transitions. [2019-01-14 04:29:21,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states and 495 transitions. [2019-01-14 04:29:21,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 255. [2019-01-14 04:29:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2019-01-14 04:29:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 349 transitions. [2019-01-14 04:29:21,715 INFO L729 BuchiCegarLoop]: Abstraction has 255 states and 349 transitions. [2019-01-14 04:29:21,716 INFO L609 BuchiCegarLoop]: Abstraction has 255 states and 349 transitions. [2019-01-14 04:29:21,716 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:29:21,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 349 transitions. [2019-01-14 04:29:21,718 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 178 [2019-01-14 04:29:21,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:29:21,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:29:21,719 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:21,719 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:29:21,721 INFO L794 eck$LassoCheckResult]: Stem: 794#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 760#L-1 havoc main_#res;havoc main_#t~ret22, main_~retValue_acc~2, main_~tmp~2;havoc main_~retValue_acc~2;havoc main_~tmp~2; 761#L406 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 785#L414 main_#t~ret22 := valid_product_#res;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 793#L370 assume 0 != main_~tmp~2; 795#L342 ~switchedOnBeforeTS~0 := 0; 754#L427 havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 755#L448-1 [2019-01-14 04:29:21,721 INFO L796 eck$LassoCheckResult]: Loop: 755#L448-1 assume !false; 893#L225 assume test_~splverifierCounter~0 < 4; 892#L226 test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 890#L234 assume !(0 != test_~tmp~1); 889#L234-1 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 888#L244 assume !(0 != test_~tmp___0~0); 886#L244-1 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 885#L254 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 878#L262-1 havoc __utac_acc__Specification5_spec__2_#t~ret24;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 910#L147 __utac_acc__Specification5_spec__2_#t~ret24 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret24;havoc __utac_acc__Specification5_spec__2_#t~ret24; 909#L437 assume !(0 != ~pumpRunning~0); 907#L62 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 903#L94 assume !(0 != ~pumpRunning~0); 900#L69 havoc __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_#t~ret26, __utac_acc__Specification5_spec__3_~tmp~3, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~3;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 899#L920 __utac_acc__Specification5_spec__3_#t~ret25 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~3 := __utac_acc__Specification5_spec__3_#t~ret25;havoc __utac_acc__Specification5_spec__3_#t~ret25; 898#L448 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 897#L147-1 __utac_acc__Specification5_spec__3_#t~ret26 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret26;havoc __utac_acc__Specification5_spec__3_#t~ret26; 895#L452 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 755#L448-1 [2019-01-14 04:29:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:21,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-01-14 04:29:21,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:21,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:21,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:21,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:29:21,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:22,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:22,098 INFO L82 PathProgramCache]: Analyzing trace with hash -801866082, now seen corresponding path program 1 times [2019-01-14 04:29:22,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:22,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:22,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:22,099 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:29:22,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:22,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:29:22,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1243110812, now seen corresponding path program 1 times [2019-01-14 04:29:22,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:29:22,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:29:22,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:22,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:29:22,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:29:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:29:23,589 WARN L181 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-01-14 04:29:23,930 WARN L181 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-01-14 04:29:48,904 WARN L181 SmtUtils]: Spent 24.97 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:30:01,764 WARN L181 SmtUtils]: Spent 12.85 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:30:01,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:30:01 BoogieIcfgContainer [2019-01-14 04:30:01,839 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:30:01,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:30:01,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:30:01,839 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:30:01,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:29:18" (3/4) ... [2019-01-14 04:30:01,845 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:30:01,941 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:30:01,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:30:01,942 INFO L168 Benchmark]: Toolchain (without parser) took 45676.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -303.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:01,943 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:30:01,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.73 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 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. [2019-01-14 04:30:01,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:01,948 INFO L168 Benchmark]: Boogie Preprocessor took 63.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:30:01,949 INFO L168 Benchmark]: RCFGBuilder took 1210.49 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:01,955 INFO L168 Benchmark]: BuchiAutomizer took 43525.95 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.6 MB). Peak memory consumption was 415.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:01,958 INFO L168 Benchmark]: Witness Printer took 101.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:30:01,964 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 630.73 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 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 140.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.35 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 1210.49 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43525.95 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.6 MB). Peak memory consumption was 415.0 MB. Max. memory is 11.5 GB. * Witness Printer took 101.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 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 5 locations. The remainder module has 255 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 42.4s. Construction of modules took 0.5s. 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, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 255 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 259 SDtfs, 404 SDslu, 387 SDs, 0 SdLazy, 77 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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: 224]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3636} State at position 1 is {NULL=-2, NULL=0, NULL=0, NULL=-7, NULL=0, NULL=0, retValue_acc=0, NULL=3636, NULL=-11, NULL=-22, NULL=0, NULL=-1, NULL=-20, NULL=3635, NULL=-17, methaneLevelCritical=0, tmp=1, NULL=0, NULL=0, NULL=0, tmp___1=0, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, NULL=-8, NULL=-9, \result=0, NULL=-14, NULL=0, systemActive=1, waterLevel=1, NULL=-24, \result=1, NULL=-18, NULL=0, NULL=-16, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e6da8a4=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@296d6b39=0, head=0, pumpRunning=0, NULL=-12, NULL=-10, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36213f97=0, tmp=1, NULL=0, NULL=0, NULL=-13, retValue_acc=1, NULL=-23, NULL=0, retValue_acc=1, NULL=-6, tmp___2=57, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55ec75f2=0, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@529606db=0, tmp=0, NULL=-19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bc92e67=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6af2afbe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6419b40e=0, head=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3061325f=57, NULL=-3, NULL=0, NULL=0, NULL=-5, NULL=-15, NULL=0, NULL=-21} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L283] int cleanupTimeShifts = 4; [L421] int switchedOnBeforeTS ; [L639] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L845] int waterLevel = 1; [L846] int methaneLevelCritical = 0; [L361] int retValue_acc ; [L362] int tmp ; [L410] int retValue_acc ; [L413] retValue_acc = 1 [L414] return (retValue_acc); [L368] tmp = valid_product() [L370] COND TRUE \read(tmp) [L426] switchedOnBeforeTS = 0 [L215] int splverifierCounter ; [L216] int tmp ; [L217] int tmp___0 ; [L218] int tmp___1 ; [L219] int tmp___2 ; [L222] splverifierCounter = 0 Loop: [L224] COND TRUE 1 [L226] COND TRUE splverifierCounter < 4 [L232] tmp = __VERIFIER_nondet_int() [L234] COND FALSE !(\read(tmp)) [L242] tmp___0 = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp___0)) [L252] tmp___2 = __VERIFIER_nondet_int() [L254] COND TRUE \read(tmp___2) [L206] systemActive = 1 [L143] int retValue_acc ; [L146] retValue_acc = pumpRunning [L147] return (retValue_acc); [L435] switchedOnBeforeTS = isPumpRunning() [L62] COND FALSE !(\read(pumpRunning)) [L69] COND TRUE \read(systemActive) [L91] int tmp ; [L94] COND FALSE !(\read(pumpRunning)) [L441] int tmp ; [L442] int tmp___0 ; [L916] int retValue_acc ; [L919] retValue_acc = waterLevel [L920] return (retValue_acc); [L446] tmp = getWaterLevel() [L448] COND TRUE tmp != 2 [L143] int retValue_acc ; [L146] retValue_acc = pumpRunning [L147] return (retValue_acc); [L450] tmp___0 = isPumpRunning() [L452] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...