./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product46_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_spec2_product46_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 4366671714130af280ec4232c34176d9c997fd05 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:39:46,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:39:46,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:39:46,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:39:46,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:39:46,325 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:39:46,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:39:46,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:39:46,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:39:46,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:39:46,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:39:46,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:39:46,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:39:46,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:39:46,351 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:39:46,352 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:39:46,352 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:39:46,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:39:46,362 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:39:46,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:39:46,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:39:46,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:39:46,376 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:39:46,377 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:39:46,377 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:39:46,378 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:39:46,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:39:46,382 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:39:46,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:39:46,387 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:39:46,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:39:46,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:39:46,391 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:39:46,391 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:39:46,392 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:39:46,393 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:39:46,393 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:39:46,417 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:39:46,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:39:46,419 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:39:46,419 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:39:46,419 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:39:46,419 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:39:46,419 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:39:46,420 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:39:46,420 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:39:46,421 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:39:46,421 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:39:46,421 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:39:46,421 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:39:46,422 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:39:46,422 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:39:46,422 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:39:46,422 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:39:46,422 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:39:46,422 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:39:46,423 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:39:46,424 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:39:46,424 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:39:46,424 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:39:46,424 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:39:46,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:39:46,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:39:46,425 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:39:46,425 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:39:46,426 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:39:46,426 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:39:46,426 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:39:46,427 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:39:46,428 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 -> 4366671714130af280ec4232c34176d9c997fd05 [2019-01-01 23:39:46,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:39:46,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:39:46,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:39:46,486 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:39:46,486 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:39:46,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2019-01-01 23:39:46,555 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e39b4e2c/4eefd1785853427b99393533d3016e54/FLAGec62a0c05 [2019-01-01 23:39:47,060 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:39:47,061 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2019-01-01 23:39:47,076 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e39b4e2c/4eefd1785853427b99393533d3016e54/FLAGec62a0c05 [2019-01-01 23:39:47,366 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e39b4e2c/4eefd1785853427b99393533d3016e54 [2019-01-01 23:39:47,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:39:47,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:39:47,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:39:47,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:39:47,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:39:47,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:39:47" (1/1) ... [2019-01-01 23:39:47,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3277d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:47, skipping insertion in model container [2019-01-01 23:39:47,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:39:47" (1/1) ... [2019-01-01 23:39:47,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:39:47,467 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:39:47,862 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:39:47,894 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:39:47,979 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:39:48,106 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:39:48,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48 WrapperNode [2019-01-01 23:39:48,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:39:48,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:39:48,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:39:48,109 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:39:48,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:39:48,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:39:48,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:39:48,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:39:48,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (1/1) ... [2019-01-01 23:39:48,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:39:48,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:39:48,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:39:48,250 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:39:48,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (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 23:39:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:39:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:39:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:39:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:39:49,870 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:39:49,871 INFO L280 CfgBuilder]: Removed 196 assue(true) statements. [2019-01-01 23:39:49,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:39:49 BoogieIcfgContainer [2019-01-01 23:39:49,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:39:49,872 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:39:49,872 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:39:49,877 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:39:49,878 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:39:49,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:39:47" (1/3) ... [2019-01-01 23:39:49,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63ea7fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:39:49, skipping insertion in model container [2019-01-01 23:39:49,880 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:39:49,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:39:48" (2/3) ... [2019-01-01 23:39:49,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63ea7fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:39:49, skipping insertion in model container [2019-01-01 23:39:49,880 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:39:49,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:39:49" (3/3) ... [2019-01-01 23:39:49,884 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2019-01-01 23:39:49,943 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:39:49,944 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:39:49,944 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:39:49,944 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:39:49,944 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:39:49,945 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:39:49,945 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:39:49,945 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:39:49,945 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:39:49,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states. [2019-01-01 23:39:49,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-01-01 23:39:49,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:49,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:50,008 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:50,008 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:50,008 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:39:50,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states. [2019-01-01 23:39:50,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-01-01 23:39:50,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:50,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:50,018 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:50,018 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:50,025 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~methAndRunningLastTime~0 := 0; 15#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3; 22#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 14#L73true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 10#L632true assume 0 != main_~tmp~3; 72#L606true ~methAndRunningLastTime~0 := 0; 129#L869true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 131#L880-1true [2019-01-01 23:39:50,025 INFO L796 eck$LassoCheckResult]: Loop: 131#L880-1true assume !false; 125#L913true assume test_~splverifierCounter~0 < 4; 89#L914true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 103#L922true assume !(0 != test_~tmp~9); 99#L922-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 3#L932true assume !(0 != test_~tmp___0~2); 8#L932-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 65#L942true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 69#L950-2true assume !(0 != ~pumpRunning~0); 90#L658true assume !(0 != ~systemActive~0); 6#L665true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 41#L494-3true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 128#L880true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 131#L880-1true [2019-01-01 23:39:50,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:50,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-01 23:39:50,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:50,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:50,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:50,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:50,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:50,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:50,917 INFO L82 PathProgramCache]: Analyzing trace with hash 5923915, now seen corresponding path program 1 times [2019-01-01 23:39:50,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:50,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:50,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:50,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:50,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:39:50,994 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 23:39:50,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:39:50,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:39:51,000 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:39:51,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:39:51,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:39:51,019 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 3 states. [2019-01-01 23:39:51,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:39:51,137 INFO L93 Difference]: Finished difference Result 130 states and 186 transitions. [2019-01-01 23:39:51,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:39:51,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 186 transitions. [2019-01-01 23:39:51,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2019-01-01 23:39:51,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 123 states and 178 transitions. [2019-01-01 23:39:51,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 123 [2019-01-01 23:39:51,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2019-01-01 23:39:51,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 178 transitions. [2019-01-01 23:39:51,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:39:51,157 INFO L705 BuchiCegarLoop]: Abstraction has 123 states and 178 transitions. [2019-01-01 23:39:51,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 178 transitions. [2019-01-01 23:39:51,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-01-01 23:39:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-01-01 23:39:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 178 transitions. [2019-01-01 23:39:51,195 INFO L728 BuchiCegarLoop]: Abstraction has 123 states and 178 transitions. [2019-01-01 23:39:51,196 INFO L608 BuchiCegarLoop]: Abstraction has 123 states and 178 transitions. [2019-01-01 23:39:51,196 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:39:51,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states and 178 transitions. [2019-01-01 23:39:51,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2019-01-01 23:39:51,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:51,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:51,200 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:51,201 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:51,201 INFO L794 eck$LassoCheckResult]: Stem: 387#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~methAndRunningLastTime~0 := 0; 289#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3; 290#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 288#L73 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 284#L632 assume 0 != main_~tmp~3; 285#L606 ~methAndRunningLastTime~0 := 0; 361#L869 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 337#L880-1 [2019-01-01 23:39:51,202 INFO L796 eck$LassoCheckResult]: Loop: 337#L880-1 assume !false; 391#L913 assume test_~splverifierCounter~0 < 4; 374#L914 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 375#L922 assume !(0 != test_~tmp~9); 353#L922-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 271#L932 assume !(0 != test_~tmp___0~2); 273#L932-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 281#L942 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 358#L950-2 assume !(0 != ~pumpRunning~0); 359#L658 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 364#L716 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret47, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 365#L690-1 assume !(0 == ~pumpRunning~0); 276#L665 havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 277#L494-3 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 335#L880 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 337#L880-1 [2019-01-01 23:39:51,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:51,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-01 23:39:51,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:51,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:51,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:51,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:51,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:51,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:51,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1682371955, now seen corresponding path program 1 times [2019-01-01 23:39:51,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:51,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:51,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:51,526 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:39:51,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:39:51,600 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 23:39:51,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:39:51,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:39:51,601 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:39:51,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:39:51,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:39:51,602 INFO L87 Difference]: Start difference. First operand 123 states and 178 transitions. cyclomatic complexity: 57 Second operand 3 states. [2019-01-01 23:39:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:39:52,097 INFO L93 Difference]: Finished difference Result 167 states and 232 transitions. [2019-01-01 23:39:52,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:39:52,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 232 transitions. [2019-01-01 23:39:52,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-01-01 23:39:52,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 167 states and 232 transitions. [2019-01-01 23:39:52,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2019-01-01 23:39:52,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2019-01-01 23:39:52,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 232 transitions. [2019-01-01 23:39:52,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:39:52,117 INFO L705 BuchiCegarLoop]: Abstraction has 167 states and 232 transitions. [2019-01-01 23:39:52,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 232 transitions. [2019-01-01 23:39:52,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-01-01 23:39:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-01 23:39:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 232 transitions. [2019-01-01 23:39:52,129 INFO L728 BuchiCegarLoop]: Abstraction has 167 states and 232 transitions. [2019-01-01 23:39:52,129 INFO L608 BuchiCegarLoop]: Abstraction has 167 states and 232 transitions. [2019-01-01 23:39:52,130 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:39:52,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states and 232 transitions. [2019-01-01 23:39:52,132 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-01-01 23:39:52,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:52,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:52,134 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:52,134 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 23:39:52,135 INFO L794 eck$LassoCheckResult]: Stem: 691#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~methAndRunningLastTime~0 := 0; 586#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3; 587#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 585#L73 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 580#L632 assume 0 != main_~tmp~3; 581#L606 ~methAndRunningLastTime~0 := 0; 659#L869 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 635#L880-1 [2019-01-01 23:39:52,135 INFO L796 eck$LassoCheckResult]: Loop: 635#L880-1 assume !false; 725#L913 assume test_~splverifierCounter~0 < 4; 678#L914 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 679#L922 assume !(0 != test_~tmp~9); 651#L922-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 565#L932 assume !(0 != test_~tmp___0~2); 567#L932-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 579#L942 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 656#L950-2 assume !(0 != ~pumpRunning~0); 658#L658 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 663#L716 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret47, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 664#L690-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 689#L534-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 690#L539-1 isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; 649#L835-3 assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~0 := 1; 638#L835-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 598#L841-1 processEnvironment__wrappee__methaneQuery_#t~ret47 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret47;havoc processEnvironment__wrappee__methaneQuery_#t~ret47; 599#L694-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4); 572#L665 havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 573#L494-3 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 633#L880 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 635#L880-1 [2019-01-01 23:39:52,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:52,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-01-01 23:39:52,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:52,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:52,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:52,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:52,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:52,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:52,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1739369125, now seen corresponding path program 1 times [2019-01-01 23:39:52,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:52,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:52,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:52,385 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:39:52,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:39:52,514 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 23:39:52,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:39:52,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 23:39:52,516 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:39:52,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 23:39:52,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 23:39:52,516 INFO L87 Difference]: Start difference. First operand 167 states and 232 transitions. cyclomatic complexity: 67 Second operand 4 states. [2019-01-01 23:39:53,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:39:53,038 INFO L93 Difference]: Finished difference Result 321 states and 439 transitions. [2019-01-01 23:39:53,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 23:39:53,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 321 states and 439 transitions. [2019-01-01 23:39:53,043 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 224 [2019-01-01 23:39:53,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 321 states to 321 states and 439 transitions. [2019-01-01 23:39:53,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 321 [2019-01-01 23:39:53,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 321 [2019-01-01 23:39:53,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 321 states and 439 transitions. [2019-01-01 23:39:53,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:39:53,051 INFO L705 BuchiCegarLoop]: Abstraction has 321 states and 439 transitions. [2019-01-01 23:39:53,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states and 439 transitions. [2019-01-01 23:39:53,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 179. [2019-01-01 23:39:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-01-01 23:39:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 244 transitions. [2019-01-01 23:39:53,065 INFO L728 BuchiCegarLoop]: Abstraction has 179 states and 244 transitions. [2019-01-01 23:39:53,065 INFO L608 BuchiCegarLoop]: Abstraction has 179 states and 244 transitions. [2019-01-01 23:39:53,065 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2019-01-01 23:39:53,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 244 transitions. [2019-01-01 23:39:53,068 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2019-01-01 23:39:53,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:39:53,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:39:53,069 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:39:53,069 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 23:39:53,070 INFO L794 eck$LassoCheckResult]: Stem: 1193#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~methAndRunningLastTime~0 := 0; 1083#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3; 1084#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1082#L73 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 1078#L632 assume 0 != main_~tmp~3; 1079#L606 ~methAndRunningLastTime~0 := 0; 1157#L869 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1131#L880-1 [2019-01-01 23:39:53,070 INFO L796 eck$LassoCheckResult]: Loop: 1131#L880-1 assume !false; 1200#L913 assume test_~splverifierCounter~0 < 4; 1174#L914 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 1175#L922 assume !(0 != test_~tmp~9); 1147#L922-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 1063#L932 assume !(0 != test_~tmp___0~2); 1065#L932-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 1075#L942 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1153#L950-2 assume !(0 != ~pumpRunning~0); 1156#L658 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1160#L716 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret47, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1161#L690-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 1190#L534-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 1191#L539-1 isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; 1145#L835-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~0 := 0; 1134#L835-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 1095#L841-1 processEnvironment__wrappee__methaneQuery_#t~ret47 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret47;havoc processEnvironment__wrappee__methaneQuery_#t~ret47; 1096#L694-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4); 1070#L665 havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 1071#L494-3 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 1129#L880 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 1131#L880-1 [2019-01-01 23:39:53,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:53,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 4 times [2019-01-01 23:39:53,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:53,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:53,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:53,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:53,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:53,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:53,347 INFO L82 PathProgramCache]: Analyzing trace with hash 780590809, now seen corresponding path program 1 times [2019-01-01 23:39:53,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:53,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:53,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:53,350 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:39:53,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:53,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:39:53,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1741234861, now seen corresponding path program 1 times [2019-01-01 23:39:53,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:39:53,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:39:53,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:53,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:39:53,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:39:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:39:54,534 WARN L181 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-01-01 23:39:54,705 WARN L181 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-01-01 23:40:22,654 WARN L181 SmtUtils]: Spent 27.94 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-01 23:40:35,740 WARN L181 SmtUtils]: Spent 13.07 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-01 23:40:35,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:40:35 BoogieIcfgContainer [2019-01-01 23:40:35,824 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:40:35,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:40:35,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:40:35,825 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:40:35,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:39:49" (3/4) ... [2019-01-01 23:40:35,831 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:40:35,917 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:40:35,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:40:35,919 INFO L168 Benchmark]: Toolchain (without parser) took 48546.14 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 954.1 MB in the beginning and 958.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 324.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:35,920 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:40:35,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.1 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:35,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:35,922 INFO L168 Benchmark]: Boogie Preprocessor took 56.83 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. [2019-01-01 23:40:35,922 INFO L168 Benchmark]: RCFGBuilder took 1622.14 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: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:35,924 INFO L168 Benchmark]: BuchiAutomizer took 45952.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 958.4 MB in the end (delta: 99.7 MB). Peak memory consumption was 412.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:40:35,925 INFO L168 Benchmark]: Witness Printer took 93.00 ms. Allocated memory is still 1.4 GB. Free memory is still 958.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:40:35,930 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 731.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.1 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.83 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 1622.14 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: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45952.05 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 958.4 MB in the end (delta: 99.7 MB). Peak memory consumption was 412.2 MB. Max. memory is 11.5 GB. * Witness Printer took 93.00 ms. Allocated memory is still 1.4 GB. Free memory is still 958.4 MB. There was no memory consumed. 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 179 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 44.4s. Construction of modules took 0.9s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 142 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 179 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 546 SDtfs, 600 SDslu, 365 SDs, 0 SdLazy, 91 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time LassoAnalysisResults: nont1 unkn0 SFLI3 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: 912]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=17247} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71c3bdd7=0, NULL=0, NULL=0, NULL=0, NULL=17247, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66d5e29f=0, NULL=0, retValue_acc=0, NULL=0, NULL=-20, NULL=-17, methaneLevelCritical=0, NULL=9685, tmp___0=0, NULL=-14, NULL=-10, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64e0174b=0, tmp___1=0, tmp=0, NULL=-11, NULL=-6, NULL=-3, NULL=-7, NULL=-13, cleanupTimeShifts=4, NULL=-9, NULL=15215, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=9684, \result=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71b872fd=0, NULL=0, NULL=0, NULL=-18, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, retValue_acc=1, NULL=-15, NULL=-2, tmp=1, NULL=0, NULL=-21, NULL=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25b2d67a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5551ff04=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71364357=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c77d0f6=0, NULL=-5, retValue_acc=0, retValue_acc=1, tmp=1, tmp___2=56, tmp___0=0, tmp___0=0, NULL=-8, splverifierCounter=0, methAndRunningLastTime=0, \result=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7baa62c2=0, NULL=0, tmp=0, NULL=-4, NULL=0, NULL=-1, NULL=0, NULL=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b5aade5=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=17246, NULL=-19, NULL=-16, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L451] int waterLevel = 1; [L452] int methaneLevelCritical = 0; [L545] int cleanupTimeShifts = 4; [L650] int pumpRunning = 0; [L651] int systemActive = 1; [L863] int methAndRunningLastTime ; [L623] int retValue_acc ; [L624] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L868] methAndRunningLastTime = 0 [L903] int splverifierCounter ; [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L907] int tmp___2 ; [L910] splverifierCounter = 0 Loop: [L912] COND TRUE 1 [L914] COND TRUE splverifierCounter < 4 [L920] tmp = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp)) [L930] tmp___0 = __VERIFIER_nondet_int() [L932] COND FALSE !(\read(tmp___0)) [L940] tmp___2 = __VERIFIER_nondet_int() [L942] COND TRUE \read(tmp___2) [L849] systemActive = 1 [L658] COND FALSE !(\read(pumpRunning)) [L665] COND TRUE \read(systemActive) [L713] int tmp ; [L716] COND FALSE !(\read(pumpRunning)) [L687] int tmp ; [L690] COND TRUE ! pumpRunning [L827] int retValue_acc ; [L828] int tmp ; [L829] int tmp___0 ; [L531] int retValue_acc ; [L534] COND TRUE waterLevel < 2 [L535] retValue_acc = 1 [L536] return (retValue_acc); [L833] tmp = isHighWaterSensorDry() [L835] COND TRUE \read(tmp) [L836] tmp___0 = 0 [L840] retValue_acc = tmp___0 [L841] return (retValue_acc); [L692] tmp = isHighWaterLevel() [L694] COND FALSE !(\read(tmp)) [L873] int tmp ; [L874] int tmp___0 ; [L490] int retValue_acc ; [L493] retValue_acc = methaneLevelCritical [L494] return (retValue_acc); [L878] tmp = isMethaneLevelCritical() [L880] COND FALSE !(\read(tmp)) [L896] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...