./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer --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 8271090c98217a098933d4a7a6aa5b00a536c5c8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 09:10:27,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:10:27,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:10:27,385 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:10:27,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:10:27,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:10:27,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:10:27,388 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:10:27,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:10:27,390 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:10:27,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:10:27,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:10:27,391 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:10:27,392 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:10:27,393 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:10:27,393 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:10:27,394 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:10:27,395 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:10:27,396 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:10:27,397 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:10:27,398 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:10:27,399 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:10:27,400 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:10:27,401 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:10:27,401 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:10:27,401 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:10:27,402 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:10:27,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:10:27,403 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:10:27,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:10:27,404 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:10:27,404 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:10:27,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:10:27,405 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:10:27,405 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:10:27,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:10:27,406 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:10:27,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:10:27,416 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:10:27,417 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:10:27,417 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:10:27,417 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:10:27,417 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:10:27,417 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:10:27,417 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:10:27,417 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:10:27,418 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:10:27,418 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:10:27,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:10:27,418 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:10:27,418 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:10:27,418 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:10:27,418 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:10:27,419 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:10:27,419 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:10:27,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:10:27,419 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:10:27,419 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:10:27,419 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:10:27,420 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:10:27,420 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:10:27,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:10:27,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:10:27,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:10:27,420 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:10:27,420 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:10:27,421 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:10:27,421 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:10:27,421 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:10:27,421 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer 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 -> 8271090c98217a098933d4a7a6aa5b00a536c5c8 [2018-11-18 09:10:27,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:10:27,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:10:27,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:10:27,452 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:10:27,453 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:10:27,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-18 09:10:27,486 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/data/70dde611d/e71da203110943559709f0858cfb5ff2/FLAG3518b9a1d [2018-11-18 09:10:27,898 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:10:27,899 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-18 09:10:27,906 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/data/70dde611d/e71da203110943559709f0858cfb5ff2/FLAG3518b9a1d [2018-11-18 09:10:27,913 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/data/70dde611d/e71da203110943559709f0858cfb5ff2 [2018-11-18 09:10:27,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:10:27,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:10:27,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:10:27,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:10:27,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:10:27,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:10:27" (1/1) ... [2018-11-18 09:10:27,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:27, skipping insertion in model container [2018-11-18 09:10:27,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:10:27" (1/1) ... [2018-11-18 09:10:27,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:10:27,956 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:10:28,140 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:10:28,148 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:10:28,249 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:10:28,266 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:10:28,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28 WrapperNode [2018-11-18 09:10:28,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:10:28,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:10:28,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:10:28,267 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:10:28,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:10:28,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:10:28,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:10:28,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:10:28,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... [2018-11-18 09:10:28,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:10:28,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:10:28,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:10:28,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:10:28,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:10:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:10:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:10:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:10:28,982 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:10:28,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:10:28 BoogieIcfgContainer [2018-11-18 09:10:28,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:10:28,983 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:10:28,983 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:10:28,986 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:10:28,987 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:10:28,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:10:27" (1/3) ... [2018-11-18 09:10:28,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca8950b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:10:28, skipping insertion in model container [2018-11-18 09:10:28,988 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:10:28,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:28" (2/3) ... [2018-11-18 09:10:28,989 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca8950b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:10:28, skipping insertion in model container [2018-11-18 09:10:28,989 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:10:28,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:10:28" (3/3) ... [2018-11-18 09:10:28,990 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-11-18 09:10:29,034 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:10:29,034 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:10:29,034 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:10:29,035 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:10:29,035 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:10:29,035 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:10:29,035 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:10:29,035 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:10:29,035 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:10:29,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-18 09:10:29,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 09:10:29,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:10:29,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:10:29,081 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:29,081 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:29,081 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:10:29,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-18 09:10:29,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 09:10:29,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:10:29,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:10:29,086 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:29,086 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:29,091 INFO L794 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 7#L563true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 120#L556true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 27#L571true main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 48#L265true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 30#L238true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3#L486-3true [2018-11-18 09:10:29,091 INFO L796 eck$LassoCheckResult]: Loop: 3#L486-3true assume true; 9#L486-1true assume !false; 131#L487true assume test_~splverifierCounter~0 < 4; 51#L488true test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 87#L496true assume !(0 != test_~tmp~6); 63#L496-2true test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 167#L506true assume !(0 != test_~tmp___0~2); 142#L506-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 10#L516true assume 0 != test_~tmp___2~0; 187#L522-2true assume { :begin_inline_timeShift } true; 8#L288true assume !(0 != ~pumpRunning~0); 185#L288-2true assume !(0 != ~systemActive~0); 65#L295-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 143#L126-3true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 77#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 11#L59-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 162#L305true assume { :end_inline_timeShift } true; 3#L486-3true [2018-11-18 09:10:29,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:10:29,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:29,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,256 INFO L82 PathProgramCache]: Analyzing trace with hash 52857541, now seen corresponding path program 1 times [2018-11-18 09:10:29,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:29,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,268 INFO L82 PathProgramCache]: Analyzing trace with hash -878824063, now seen corresponding path program 1 times [2018-11-18 09:10:29,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:29,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:10:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:10:29,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:10:29,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:10:29,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:10:29,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:10:29,457 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 6 states. [2018-11-18 09:10:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:10:29,612 INFO L93 Difference]: Finished difference Result 185 states and 240 transitions. [2018-11-18 09:10:29,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:10:29,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 240 transitions. [2018-11-18 09:10:29,618 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 09:10:29,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 175 states and 230 transitions. [2018-11-18 09:10:29,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175 [2018-11-18 09:10:29,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2018-11-18 09:10:29,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions. [2018-11-18 09:10:29,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:10:29,626 INFO L705 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 09:10:29,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions. [2018-11-18 09:10:29,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-11-18 09:10:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 09:10:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 230 transitions. [2018-11-18 09:10:29,657 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 09:10:29,657 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 09:10:29,658 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:10:29,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 230 transitions. [2018-11-18 09:10:29,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 09:10:29,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:10:29,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:10:29,660 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:29,661 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, 1] [2018-11-18 09:10:29,661 INFO L794 eck$LassoCheckResult]: Stem: 539#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 395#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 396#L563 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 397#L556 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 431#L571 main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 432#L265 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 435#L238 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 391#L486-3 [2018-11-18 09:10:29,661 INFO L796 eck$LassoCheckResult]: Loop: 391#L486-3 assume true; 392#L486-1 assume !false; 401#L487 assume test_~splverifierCounter~0 < 4; 459#L488 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 460#L496 assume !(0 != test_~tmp~6); 472#L496-2 test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 473#L506 assume !(0 != test_~tmp___0~2); 513#L506-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 402#L516 assume 0 != test_~tmp___2~0; 394#L522-2 assume { :begin_inline_timeShift } true; 398#L288 assume !(0 != ~pumpRunning~0); 399#L288-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 565#L346 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 458#L320-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 455#L312-3 assume { :end_inline_processEnvironment__wrappee__base } true; 451#L320-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 461#L346-1 assume { :end_inline_processEnvironment } true; 477#L295-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 478#L126-3 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 490#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 403#L59-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 404#L305 assume { :end_inline_timeShift } true; 391#L486-3 [2018-11-18 09:10:29,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:10:29,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:29,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,713 INFO L82 PathProgramCache]: Analyzing trace with hash -498992333, now seen corresponding path program 1 times [2018-11-18 09:10:29,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,715 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:10:29,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:10:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:10:29,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:10:29,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:10:29,730 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:10:29,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:10:29,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:10:29,731 INFO L87 Difference]: Start difference. First operand 175 states and 230 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 09:10:29,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:10:29,861 INFO L93 Difference]: Finished difference Result 244 states and 309 transitions. [2018-11-18 09:10:29,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:10:29,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 309 transitions. [2018-11-18 09:10:29,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2018-11-18 09:10:29,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 244 states and 309 transitions. [2018-11-18 09:10:29,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 244 [2018-11-18 09:10:29,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 244 [2018-11-18 09:10:29,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 244 states and 309 transitions. [2018-11-18 09:10:29,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:10:29,869 INFO L705 BuchiCegarLoop]: Abstraction has 244 states and 309 transitions. [2018-11-18 09:10:29,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states and 309 transitions. [2018-11-18 09:10:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2018-11-18 09:10:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-11-18 09:10:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 309 transitions. [2018-11-18 09:10:29,877 INFO L728 BuchiCegarLoop]: Abstraction has 244 states and 309 transitions. [2018-11-18 09:10:29,878 INFO L608 BuchiCegarLoop]: Abstraction has 244 states and 309 transitions. [2018-11-18 09:10:29,878 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:10:29,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 244 states and 309 transitions. [2018-11-18 09:10:29,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2018-11-18 09:10:29,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:10:29,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:10:29,880 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:29,880 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:29,880 INFO L794 eck$LassoCheckResult]: Stem: 973#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 820#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 821#L563 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 822#L556 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 852#L571 main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 853#L265 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 858#L238 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 859#L486-3 [2018-11-18 09:10:29,881 INFO L796 eck$LassoCheckResult]: Loop: 859#L486-3 assume true; 1037#L486-1 assume !false; 1036#L487 assume test_~splverifierCounter~0 < 4; 888#L488 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 889#L496 assume !(0 != test_~tmp~6); 904#L496-2 test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 905#L506 assume !(0 != test_~tmp___0~2); 948#L506-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 826#L516 assume 0 != test_~tmp___2~0; 819#L522-2 assume { :begin_inline_timeShift } true; 823#L288 assume !(0 != ~pumpRunning~0); 824#L288-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1013#L346 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 887#L320-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 866#L166-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 867#L171-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 962#L465-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 968#L465-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 954#L471-1 processEnvironment__wrappee__methaneQuery_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~2 := processEnvironment__wrappee__methaneQuery_#t~ret14;havoc processEnvironment__wrappee__methaneQuery_#t~ret14; 955#L324-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 878#L312-2 assume { :end_inline_processEnvironment__wrappee__base } true; 879#L320-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 912#L346-1 assume { :end_inline_processEnvironment } true; 1046#L295-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1045#L126-3 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 1041#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 1039#L59-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1038#L305 assume { :end_inline_timeShift } true; 859#L486-3 [2018-11-18 09:10:29,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 09:10:29,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:29,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1349619819, now seen corresponding path program 1 times [2018-11-18 09:10:29,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,921 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:10:29,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:29,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:29,931 INFO L82 PathProgramCache]: Analyzing trace with hash 98637871, now seen corresponding path program 1 times [2018-11-18 09:10:29,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:29,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:29,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:29,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:10:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:10:30,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:10:30,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:10:30,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:10:30,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:10:30,123 INFO L87 Difference]: Start difference. First operand 244 states and 309 transitions. cyclomatic complexity: 67 Second operand 5 states. [2018-11-18 09:10:30,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:10:30,275 INFO L93 Difference]: Finished difference Result 837 states and 1057 transitions. [2018-11-18 09:10:30,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:10:30,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 837 states and 1057 transitions. [2018-11-18 09:10:30,279 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 604 [2018-11-18 09:10:30,282 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 837 states to 837 states and 1057 transitions. [2018-11-18 09:10:30,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 837 [2018-11-18 09:10:30,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 837 [2018-11-18 09:10:30,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 837 states and 1057 transitions. [2018-11-18 09:10:30,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:10:30,286 INFO L705 BuchiCegarLoop]: Abstraction has 837 states and 1057 transitions. [2018-11-18 09:10:30,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states and 1057 transitions. [2018-11-18 09:10:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 481. [2018-11-18 09:10:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-11-18 09:10:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 603 transitions. [2018-11-18 09:10:30,304 INFO L728 BuchiCegarLoop]: Abstraction has 481 states and 603 transitions. [2018-11-18 09:10:30,308 INFO L608 BuchiCegarLoop]: Abstraction has 481 states and 603 transitions. [2018-11-18 09:10:30,308 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 09:10:30,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 481 states and 603 transitions. [2018-11-18 09:10:30,310 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 340 [2018-11-18 09:10:30,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:10:30,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:10:30,311 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:30,311 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:10:30,311 INFO L794 eck$LassoCheckResult]: Stem: 2084#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 44];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 77];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 101];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 116];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 104];#memory_int := #memory_int[#t~string6.base,5 + #t~string6.offset := 58];#memory_int := #memory_int[#t~string6.base,6 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 67];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 82];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 73];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 84];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 75];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 41];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(13);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 80];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 117];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 109];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 112];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 110];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 102];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 32];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 10];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1919#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 1920#L563 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1921#L556 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1953#L571 main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 1954#L265 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 1959#L238 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1960#L486-3 [2018-11-18 09:10:30,311 INFO L796 eck$LassoCheckResult]: Loop: 1960#L486-3 assume true; 2286#L486-1 assume !false; 2284#L487 assume test_~splverifierCounter~0 < 4; 2285#L488 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 2391#L496 assume !(0 != test_~tmp~6); 2389#L496-2 test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 2386#L506 assume !(0 != test_~tmp___0~2); 2384#L506-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 2382#L516 assume 0 != test_~tmp___2~0; 2381#L522-2 assume { :begin_inline_timeShift } true; 1922#L288 assume !(0 != ~pumpRunning~0); 1923#L288-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 2145#L346 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 1987#L320-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1967#L166-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1968#L171-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 2067#L465-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 2077#L465-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 2057#L471-1 processEnvironment__wrappee__methaneQuery_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~2 := processEnvironment__wrappee__methaneQuery_#t~ret14;havoc processEnvironment__wrappee__methaneQuery_#t~ret14; 2058#L324-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 1980#L312-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1981#L320-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1990#L346-1 assume { :end_inline_processEnvironment } true; 2008#L295-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 2009#L126-3 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 2024#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1939#L158 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 1940#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 2287#L59-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2124#L305 assume { :end_inline_timeShift } true; 1960#L486-3 [2018-11-18 09:10:30,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:30,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 09:10:30,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:30,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:30,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:30,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:30,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:30,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:30,344 INFO L82 PathProgramCache]: Analyzing trace with hash -94223266, now seen corresponding path program 1 times [2018-11-18 09:10:30,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:30,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:30,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:30,345 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:10:30,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:30,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:10:30,354 INFO L82 PathProgramCache]: Analyzing trace with hash 302967586, now seen corresponding path program 1 times [2018-11-18 09:10:30,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:10:30,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:10:30,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:30,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:10:30,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:10:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:10:30,517 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-11-18 09:11:53,995 WARN L180 SmtUtils]: Spent 1.39 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:12:40,821 WARN L180 SmtUtils]: Spent 46.83 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:12:40,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:12:40 BoogieIcfgContainer [2018-11-18 09:12:40,881 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:12:40,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:12:40,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:12:40,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:12:40,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:10:28" (3/4) ... [2018-11-18 09:12:40,884 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:12:40,927 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9a29392-aae9-4cc3-bad6-577834c1dd96/bin-2019/uautomizer/witness.graphml [2018-11-18 09:12:40,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:12:40,927 INFO L168 Benchmark]: Toolchain (without parser) took 133011.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -196.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:12:40,928 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:12:40,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:12:40,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.55 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:12:40,929 INFO L168 Benchmark]: Boogie Preprocessor took 34.12 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:12:40,929 INFO L168 Benchmark]: RCFGBuilder took 631.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:12:40,930 INFO L168 Benchmark]: BuchiAutomizer took 131898.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -114.5 MB). Peak memory consumption was 315.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:12:40,930 INFO L168 Benchmark]: Witness Printer took 45.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:12:40,932 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.55 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.12 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 631.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 131898.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -114.5 MB). Peak memory consumption was 315.8 MB. Max. memory is 11.5 GB. * Witness Printer took 45.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 6 locations. The remainder module has 481 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 131.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 131.2s. Construction of modules took 0.2s. 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, 356 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 481 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 776 SDtfs, 1744 SDslu, 1138 SDs, 0 SdLazy, 175 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 486]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a7cb164=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70bc3bfe=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1202925b=0, retValue_acc=0, "libacc.c"=0, "OK"=31, "__utac__get_this_arg"=0, retValue_acc=0, "libacc.c"=36, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=14, "__utac__get_this_argtype"=40, methaneLevelCritical=0, "CRIT"=33, tmp___0=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "\n"=19, tmp=0, "libacc.c"=11, "i > 0 && i <= this->argsCount"=0, tmp___1=0, "Off"=22, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a6283a5=0, "Off"=26, "Env(Water:%i"=0, "CRIT"=0, ",Meth:"=0, tmp___0=1, tmp=0, cleanupTimeShifts=4, ",Pump:"=24, ") "=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59fcf17e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c66167f=140, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f0ccc15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11eb82f1=0, ",Pump:"=0, "Off"=0, "On"=0, "On"=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=39, \result=1, "i > 0 && i <= this->argsCount"=18, ")"=0, ")"=29, \result=0, "OK"=0, "__utac__get_this_arg"=16, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=34, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, "On"=27, "Pump(System:"=0, tmp=1, retValue_acc=1, "i > 0 && i <= this->argsCount"=0, "\n"=0, \result=1, "i > 0 && i <= this->argsCount"=38, "i > 0 && i <= this->argsCount"=15, "__utac__get_this_argtype"=0, retValue_acc=1, "libacc.c"=0, tmp___2=140, tmp___0=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76a591a7=0, splverifierCounter=0, "libacc.c"=0, \result=0, ",Meth:"=8, "i > 0 && i <= this->argsCount"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6531ac9c=0, "libacc.c"=17, tmp___1=0, tmp=0, head=0, "Pump(System:"=28, "On"=23, ") "=0, "libacc.c"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e1d7703=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 486]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L135] FCALL "Env(Water:%i" [L136] FCALL ",Meth:" [L140] FCALL "CRIT" [L144] FCALL "OK" [L148] FCALL ")" [L425] FCALL "Pump(System:" [L429] FCALL "On" [L433] FCALL "Off" [L437] FCALL ",Pump:" [L441] FCALL "On" [L445] FCALL "Off" [L449] FCALL ") " [L451] FCALL "\n" [L882] FCALL "i > 0 && i <= this->argsCount" [L882] FCALL "libacc.c" [L883] FCALL "__utac__get_this_arg" [L889] FCALL "i > 0 && i <= this->argsCount" [L889] FCALL "libacc.c" [L890] FCALL "__utac__get_this_arg" [L928] FCALL "i > 0 && i <= this->argsCount" [L928] FCALL "libacc.c" [L929] FCALL "__utac__get_this_argtype" [L935] FCALL "i > 0 && i <= this->argsCount" [L935] FCALL "libacc.c" [L936] FCALL "__utac__get_this_argtype" [L83] int waterLevel = 1; [L84] int methaneLevelCritical = 0; [L177] int cleanupTimeShifts = 4; [L281] int pumpRunning = 0; [L282] int systemActive = 1; [L754] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L256] int retValue_acc ; [L257] int tmp ; [L261] FCALL select_helpers() [L262] FCALL select_features() [L263] CALL, EXPR valid_product() [L567] int retValue_acc ; [L570] retValue_acc = 1 [L571] RET return (retValue_acc); [L263] EXPR valid_product() [L263] tmp = valid_product() [L265] COND TRUE \read(tmp) [L267] FCALL setup() [L268] CALL runTest() [L247] CALL test() [L477] int splverifierCounter ; [L478] int tmp ; [L479] int tmp___0 ; [L480] int tmp___1 ; [L481] int tmp___2 ; [L484] splverifierCounter = 0 Loop: [L486] COND TRUE 1 [L488] COND TRUE splverifierCounter < 4 [L494] tmp = __VERIFIER_nondet_int() [L496] COND FALSE !(\read(tmp)) [L504] tmp___0 = __VERIFIER_nondet_int() [L506] COND FALSE !(\read(tmp___0)) [L514] tmp___2 = __VERIFIER_nondet_int() [L516] COND TRUE \read(tmp___2) [L529] CALL timeShift() [L288] COND FALSE !(\read(pumpRunning)) [L295] COND TRUE \read(systemActive) [L297] CALL processEnvironment() [L343] int tmp ; [L346] COND FALSE !(\read(pumpRunning)) [L361] CALL processEnvironment__wrappee__methaneQuery() [L317] int tmp ; [L320] COND TRUE ! pumpRunning [L322] CALL, EXPR isHighWaterLevel() [L457] int retValue_acc ; [L458] int tmp ; [L459] int tmp___0 ; [L463] CALL, EXPR isHighWaterSensorDry() [L163] int retValue_acc ; [L166] COND TRUE waterLevel < 2 [L167] retValue_acc = 1 [L168] RET return (retValue_acc); [L463] EXPR isHighWaterSensorDry() [L463] tmp = isHighWaterSensorDry() [L465] COND TRUE \read(tmp) [L466] tmp___0 = 0 [L470] retValue_acc = tmp___0 [L471] RET return (retValue_acc); [L322] EXPR isHighWaterLevel() [L322] tmp = isHighWaterLevel() [L324] COND FALSE !(\read(tmp)) [L330] RET, FCALL processEnvironment__wrappee__base() [L361] RET processEnvironment__wrappee__methaneQuery() [L297] processEnvironment() [L303] CALL __utac_acc__Specification3_spec__1() [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L51] CALL, EXPR isMethaneLevelCritical() [L122] int retValue_acc ; [L125] retValue_acc = methaneLevelCritical [L126] RET return (retValue_acc); [L51] EXPR isMethaneLevelCritical() [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L57] CALL, EXPR getWaterLevel() [L154] int retValue_acc ; [L157] retValue_acc = waterLevel [L158] RET return (retValue_acc); [L57] EXPR getWaterLevel() [L57] tmp___0 = getWaterLevel() [L59] COND FALSE, RET !(tmp___0 == 2) [L303] RET __utac_acc__Specification3_spec__1() [L529] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...