./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product40_false-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_spec1_product40_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad65d1d3307a121fce5b7d95113e2f3f66b04b5a ............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:16:02,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:16:02,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:16:02,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:16:02,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:16:02,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:16:02,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:16:02,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:16:02,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:16:02,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:16:02,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:16:02,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:16:02,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:16:02,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:16:02,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:16:02,215 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:16:02,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:16:02,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:16:02,220 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:16:02,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:16:02,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:16:02,225 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:16:02,228 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:16:02,228 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:16:02,228 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:16:02,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:16:02,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:16:02,232 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:16:02,233 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:16:02,234 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:16:02,234 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:16:02,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:16:02,236 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:16:02,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:16:02,237 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:16:02,238 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:16:02,239 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:16:02,256 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:16:02,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:16:02,258 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:16:02,258 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:16:02,258 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:16:02,258 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:16:02,259 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:16:02,259 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:16:02,259 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:16:02,259 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:16:02,259 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:16:02,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:16:02,260 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:16:02,261 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:16:02,261 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:16:02,261 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:16:02,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:16:02,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:16:02,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:16:02,262 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:16:02,262 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:16:02,262 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:16:02,263 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:16:02,264 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:16:02,264 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:16:02,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:16:02,265 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:16:02,265 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:16:02,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:16:02,265 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:16:02,265 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:16:02,267 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:16:02,267 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 -> ad65d1d3307a121fce5b7d95113e2f3f66b04b5a [2019-01-14 04:16:02,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:16:02,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:16:02,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:16:02,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:16:02,320 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:16:02,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product40_false-unreach-call_false-termination.cil.c [2019-01-14 04:16:02,376 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b065f51f0/f4a4cb1f265846de98655cc669b038f8/FLAG2b42f4b37 [2019-01-14 04:16:02,936 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:16:02,939 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product40_false-unreach-call_false-termination.cil.c [2019-01-14 04:16:02,962 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b065f51f0/f4a4cb1f265846de98655cc669b038f8/FLAG2b42f4b37 [2019-01-14 04:16:03,145 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b065f51f0/f4a4cb1f265846de98655cc669b038f8 [2019-01-14 04:16:03,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:16:03,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:16:03,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:16:03,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:16:03,157 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:16:03,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1238c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03, skipping insertion in model container [2019-01-14 04:16:03,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:16:03,233 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:16:03,614 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:16:03,629 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:16:03,830 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:16:03,877 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:16:03,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03 WrapperNode [2019-01-14 04:16:03,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:16:03,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:16:03,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:16:03,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:16:03,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:16:03,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:16:03,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:16:03,957 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:16:03,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:03,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:04,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:04,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (1/1) ... [2019-01-14 04:16:04,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:16:04,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:16:04,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:16:04,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:16:04,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (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 04:16:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:16:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:16:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:16:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:16:05,456 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:16:05,456 INFO L286 CfgBuilder]: Removed 162 assue(true) statements. [2019-01-14 04:16:05,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:16:05 BoogieIcfgContainer [2019-01-14 04:16:05,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:16:05,459 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:16:05,459 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:16:05,462 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:16:05,463 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:16:05,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:16:03" (1/3) ... [2019-01-14 04:16:05,464 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a6b942e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:16:05, skipping insertion in model container [2019-01-14 04:16:05,465 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:16:05,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:16:03" (2/3) ... [2019-01-14 04:16:05,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a6b942e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:16:05, skipping insertion in model container [2019-01-14 04:16:05,465 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:16:05,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:16:05" (3/3) ... [2019-01-14 04:16:05,467 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product40_false-unreach-call_false-termination.cil.c [2019-01-14 04:16:05,522 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:16:05,523 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:16:05,523 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:16:05,524 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:16:05,524 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:16:05,524 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:16:05,524 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:16:05,524 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:16:05,525 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:16:05,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states. [2019-01-14 04:16:05,572 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-01-14 04:16:05,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:05,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:05,581 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:05,582 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:16:05,582 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:16:05,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states. [2019-01-14 04:16:05,590 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-01-14 04:16:05,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:05,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:05,591 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:05,591 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:16:05,596 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 81#L473true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 99#L481true main_#t~ret26 := valid_product_#res;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; 103#L437true assume 0 != main_~tmp~5; 45#L411true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L334-1true [2019-01-14 04:16:05,597 INFO L796 eck$LassoCheckResult]: Loop: 34#L334-1true assume !false; 74#L267true assume test_~splverifierCounter~0 < 4; 43#L268true test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 42#L276true assume !(0 != test_~tmp~3); 40#L276-1true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 69#L286true assume !(0 != test_~tmp___0~1); 68#L286-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 8#L296true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 29#L304-1true assume !(0 != ~pumpRunning~0); 18#L59true assume !(0 != ~systemActive~0); 77#L66true havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 90#L905-1true __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; 33#L334true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 34#L334-1true [2019-01-14 04:16:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:05,604 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:16:05,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:05,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:05,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:05,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:05,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:06,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:06,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1670447604, now seen corresponding path program 1 times [2019-01-14 04:16:06,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:06,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:06,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:06,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:06,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:16:06,683 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 04:16:06,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:16:06,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:16:06,691 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:16:06,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:16:06,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:16:06,713 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-01-14 04:16:06,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:16:06,880 INFO L93 Difference]: Finished difference Result 214 states and 312 transitions. [2019-01-14 04:16:06,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:16:06,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 312 transitions. [2019-01-14 04:16:06,891 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 138 [2019-01-14 04:16:06,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 200 states and 297 transitions. [2019-01-14 04:16:06,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 200 [2019-01-14 04:16:06,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 200 [2019-01-14 04:16:06,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 297 transitions. [2019-01-14 04:16:06,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:16:06,907 INFO L706 BuchiCegarLoop]: Abstraction has 200 states and 297 transitions. [2019-01-14 04:16:06,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 297 transitions. [2019-01-14 04:16:06,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2019-01-14 04:16:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-01-14 04:16:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 294 transitions. [2019-01-14 04:16:06,958 INFO L729 BuchiCegarLoop]: Abstraction has 198 states and 294 transitions. [2019-01-14 04:16:06,959 INFO L609 BuchiCegarLoop]: Abstraction has 198 states and 294 transitions. [2019-01-14 04:16:06,959 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:16:06,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 294 transitions. [2019-01-14 04:16:06,963 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2019-01-14 04:16:06,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:06,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:06,964 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:06,965 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:16:06,965 INFO L794 eck$LassoCheckResult]: Stem: 433#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 352#L-1 havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 353#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 443#L481 main_#t~ret26 := valid_product_#res;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; 460#L437 assume 0 != main_~tmp~5; 409#L411 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 387#L334-1 [2019-01-14 04:16:06,965 INFO L796 eck$LassoCheckResult]: Loop: 387#L334-1 assume !false; 390#L267 assume test_~splverifierCounter~0 < 4; 406#L268 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 404#L276 assume !(0 != test_~tmp~3); 399#L276-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 400#L286 assume !(0 != test_~tmp___0~1); 426#L286-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 341#L296 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 342#L304-1 assume !(0 != ~pumpRunning~0); 363#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 364#L117 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 371#L91-1 assume !(0 == ~pumpRunning~0); 348#L66 havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 453#L905-1 __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; 386#L334 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 387#L334-1 [2019-01-14 04:16:06,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:06,966 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:16:06,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:06,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:06,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:06,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:06,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:07,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:07,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1422660381, now seen corresponding path program 1 times [2019-01-14 04:16:07,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:07,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:07,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:07,342 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:16:07,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:16:07,411 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 04:16:07,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:16:07,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:16:07,412 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:16:07,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:16:07,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:16:07,413 INFO L87 Difference]: Start difference. First operand 198 states and 294 transitions. cyclomatic complexity: 99 Second operand 3 states. [2019-01-14 04:16:07,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:16:07,922 INFO L93 Difference]: Finished difference Result 281 states and 394 transitions. [2019-01-14 04:16:07,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:16:07,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 394 transitions. [2019-01-14 04:16:07,928 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199 [2019-01-14 04:16:07,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 281 states and 394 transitions. [2019-01-14 04:16:07,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2019-01-14 04:16:07,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2019-01-14 04:16:07,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 281 states and 394 transitions. [2019-01-14 04:16:07,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:16:07,943 INFO L706 BuchiCegarLoop]: Abstraction has 281 states and 394 transitions. [2019-01-14 04:16:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states and 394 transitions. [2019-01-14 04:16:07,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2019-01-14 04:16:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-01-14 04:16:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2019-01-14 04:16:07,979 INFO L729 BuchiCegarLoop]: Abstraction has 281 states and 394 transitions. [2019-01-14 04:16:07,979 INFO L609 BuchiCegarLoop]: Abstraction has 281 states and 394 transitions. [2019-01-14 04:16:07,979 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:16:07,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 281 states and 394 transitions. [2019-01-14 04:16:07,984 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199 [2019-01-14 04:16:07,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:16:07,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:16:07,985 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:16:07,986 INFO L868 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] [2019-01-14 04:16:07,990 INFO L794 eck$LassoCheckResult]: Stem: 913#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 838#L-1 havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 839#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 919#L481 main_#t~ret26 := valid_product_#res;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; 935#L437 assume 0 != main_~tmp~5; 895#L411 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 872#L334-1 [2019-01-14 04:16:07,990 INFO L796 eck$LassoCheckResult]: Loop: 872#L334-1 assume !false; 875#L267 assume test_~splverifierCounter~0 < 4; 892#L268 test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; 890#L276 assume !(0 != test_~tmp~3); 886#L276-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 887#L286 assume !(0 != test_~tmp___0~1); 907#L286-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 828#L296 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 829#L304-1 assume !(0 != ~pumpRunning~0); 1001#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1000#L117 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 999#L91-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 998#L945-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 997#L950-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 994#L219-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 991#L219-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 988#L225-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 833#L95-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 835#L66 havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 917#L905-1 __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; 871#L334 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 872#L334-1 [2019-01-14 04:16:07,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:07,991 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-14 04:16:07,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:07,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:07,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:07,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:07,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:08,338 INFO L82 PathProgramCache]: Analyzing trace with hash 287627951, now seen corresponding path program 1 times [2019-01-14 04:16:08,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:08,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:08,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:08,339 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:16:08,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:08,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:16:08,350 INFO L82 PathProgramCache]: Analyzing trace with hash 743699145, now seen corresponding path program 1 times [2019-01-14 04:16:08,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:16:08,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:16:08,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:08,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:16:08,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:16:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:16:09,255 WARN L181 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-01-14 04:16:09,643 WARN L181 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-14 04:16:38,445 WARN L181 SmtUtils]: Spent 28.78 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:16:51,853 WARN L181 SmtUtils]: Spent 13.41 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:16:51,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:16:51 BoogieIcfgContainer [2019-01-14 04:16:51,985 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:16:51,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:16:51,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:16:51,986 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:16:51,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:16:05" (3/4) ... [2019-01-14 04:16:51,990 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:16:52,070 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:16:52,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:16:52,071 INFO L168 Benchmark]: Toolchain (without parser) took 48921.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.6 MB). Free memory was 952.7 MB in the beginning and 884.0 MB in the end (delta: 68.7 MB). Peak memory consumption was 361.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,074 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:16:52,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,075 INFO L168 Benchmark]: Boogie Preprocessor took 57.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:16:52,076 INFO L168 Benchmark]: RCFGBuilder took 1444.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,076 INFO L168 Benchmark]: BuchiAutomizer took 46526.41 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 886.0 MB in the end (delta: 145.1 MB). Peak memory consumption was 416.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,081 INFO L168 Benchmark]: Witness Printer took 84.57 ms. Allocated memory is still 1.3 GB. Free memory was 886.0 MB in the beginning and 884.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:16:52,085 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 725.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1444.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46526.41 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 886.0 MB in the end (delta: 145.1 MB). Peak memory consumption was 416.3 MB. Max. memory is 11.5 GB. * Witness Printer took 84.57 ms. Allocated memory is still 1.3 GB. Free memory was 886.0 MB in the beginning and 884.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 281 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 45.4s. Construction of modules took 0.5s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 281 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 306 SDtfs, 262 SDslu, 206 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 266]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=18755} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=15689, NULL=-16, NULL=0, NULL=18755, NULL=-6, retValue_acc=0, NULL=0, NULL=7161, NULL=-1, NULL=-2, methaneLevelCritical=0, NULL=-20, tmp___0=0, tmp=0, NULL=0, retValue_acc=0, NULL=0, NULL=-5, tmp___1=0, tmp___0=0, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a2bfe54=0, cleanupTimeShifts=4, NULL=-15, NULL=-21, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=-12, NULL=0, retValue_acc=0, NULL=0, NULL=18754, \result=0, NULL=0, NULL=-11, NULL=0, NULL=15688, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-19, \result=1, NULL=-4, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dbc6124=0, NULL=-14, NULL=-17, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54a298a5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67f2e13a=0, NULL=-18, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b348055=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@736f8212=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f0d7f93=62, retValue_acc=1, \result=1, NULL=-13, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e64a847=0, NULL=0, tmp=1, tmp___2=62, retValue_acc=1, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=-3, NULL=-22, NULL=-9, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26666021=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@381882a1=0, NULL=18753, NULL=0, NULL=-10} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L352] int cleanupTimeShifts = 4; [L664] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L862] int waterLevel = 1; [L863] int methaneLevelCritical = 0; [L428] int retValue_acc ; [L429] int tmp ; [L477] int retValue_acc ; [L480] retValue_acc = 1 [L481] return (retValue_acc); [L435] tmp = valid_product() [L437] COND TRUE \read(tmp) [L257] int splverifierCounter ; [L258] int tmp ; [L259] int tmp___0 ; [L260] int tmp___1 ; [L261] int tmp___2 ; [L264] splverifierCounter = 0 Loop: [L266] COND TRUE 1 [L268] COND TRUE splverifierCounter < 4 [L274] tmp = __VERIFIER_nondet_int() [L276] COND FALSE !(\read(tmp)) [L284] tmp___0 = __VERIFIER_nondet_int() [L286] COND FALSE !(\read(tmp___0)) [L294] tmp___2 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp___2) [L248] systemActive = 1 [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L88] int tmp ; [L91] COND TRUE ! pumpRunning [L211] int retValue_acc ; [L212] int tmp ; [L213] int tmp___0 ; [L942] int retValue_acc ; [L945] COND TRUE waterLevel < 2 [L946] retValue_acc = 1 [L947] return (retValue_acc); [L217] tmp = isHighWaterSensorDry() [L219] COND TRUE \read(tmp) [L220] tmp___0 = 0 [L224] retValue_acc = tmp___0 [L225] return (retValue_acc); [L93] tmp = isHighWaterLevel() [L95] COND FALSE !(\read(tmp)) [L327] int tmp ; [L328] int tmp___0 ; [L901] int retValue_acc ; [L904] retValue_acc = methaneLevelCritical [L905] return (retValue_acc); [L332] tmp = isMethaneLevelCritical() [L334] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...