./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product48_false-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_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product48_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/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 43ef5600519005fc88dd599d15644e5bf72b4abd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:12:26,343 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:12:26,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:12:26,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:12:26,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:12:26,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:12:26,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:12:26,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:12:26,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:12:26,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:12:26,359 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:12:26,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:12:26,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:12:26,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:12:26,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:12:26,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:12:26,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:12:26,364 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:12:26,365 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:12:26,366 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:12:26,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:12:26,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:12:26,370 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:12:26,370 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:12:26,370 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:12:26,371 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:12:26,371 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:12:26,373 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:12:26,373 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:12:26,374 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:12:26,374 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:12:26,375 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:12:26,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:12:26,375 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:12:26,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:12:26,376 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:12:26,376 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:12:26,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:12:26,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:12:26,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:12:26,389 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:12:26,390 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:12:26,390 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:12:26,390 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:12:26,390 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:12:26,390 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:12:26,390 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:12:26,391 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:12:26,391 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:12:26,392 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:12:26,392 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:12:26,392 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:12:26,392 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:12:26,392 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:12:26,392 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:12:26,392 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:12:26,394 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:12:26,394 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:12:26,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:12:26,394 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:12:26,394 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:12:26,395 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:12:26,395 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_4bb66870-8a50-404f-95ad-e7ece1252f7b/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 -> 43ef5600519005fc88dd599d15644e5bf72b4abd [2018-11-18 11:12:26,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:12:26,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:12:26,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:12:26,430 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:12:26,430 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:12:26,431 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product48_false-unreach-call_false-termination.cil.c [2018-11-18 11:12:26,467 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/data/014401c18/b35e43171a57480295080ddb9d302cf2/FLAG41e23348e [2018-11-18 11:12:26,901 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:12:26,902 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/sv-benchmarks/c/product-lines/minepump_spec3_product48_false-unreach-call_false-termination.cil.c [2018-11-18 11:12:26,908 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/data/014401c18/b35e43171a57480295080ddb9d302cf2/FLAG41e23348e [2018-11-18 11:12:26,917 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/data/014401c18/b35e43171a57480295080ddb9d302cf2 [2018-11-18 11:12:26,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:12:26,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:12:26,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:12:26,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:12:26,924 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:12:26,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:12:26" (1/1) ... [2018-11-18 11:12:26,926 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 11:12:26, skipping insertion in model container [2018-11-18 11:12:26,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:12:26" (1/1) ... [2018-11-18 11:12:26,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:12:26,961 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:12:27,158 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:12:27,167 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:12:27,272 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:12:27,290 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:12:27,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27 WrapperNode [2018-11-18 11:12:27,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:12:27,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:12:27,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:12:27,291 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:12:27,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:12:27,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:12:27,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:12:27,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:12:27,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... [2018-11-18 11:12:27,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:12:27,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:12:27,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:12:27,381 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:12:27,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/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 11:12:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:12:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:12:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:12:28,036 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:12:28,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:28 BoogieIcfgContainer [2018-11-18 11:12:28,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:12:28,037 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:12:28,037 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:12:28,040 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:12:28,040 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:12:28,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:12:26" (1/3) ... [2018-11-18 11:12:28,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ecfc291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:12:28, skipping insertion in model container [2018-11-18 11:12:28,041 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:12:28,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:27" (2/3) ... [2018-11-18 11:12:28,042 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ecfc291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:12:28, skipping insertion in model container [2018-11-18 11:12:28,042 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:12:28,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:28" (3/3) ... [2018-11-18 11:12:28,043 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product48_false-unreach-call_false-termination.cil.c [2018-11-18 11:12:28,077 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:12:28,078 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:12:28,078 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:12:28,078 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:12:28,078 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:12:28,078 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:12:28,078 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:12:28,078 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:12:28,078 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:12:28,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states. [2018-11-18 11:12:28,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2018-11-18 11:12:28,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:12:28,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:12:28,124 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:28,124 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:28,124 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:12:28,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states. [2018-11-18 11:12:28,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2018-11-18 11:12:28,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:12:28,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:12:28,130 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:28,130 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:28,133 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 183#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 120#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 67#L82true main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 90#L530true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 73#L506true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, 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; 26#L554-3true [2018-11-18 11:12:28,134 INFO L796 eck$LassoCheckResult]: Loop: 26#L554-3true assume true; 23#L554-1true assume !false; 3#L555true assume test_~splverifierCounter~0 < 4; 48#L556true test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; 175#L564true assume !(0 != test_~tmp~6); 176#L564-2true test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; 89#L574true assume !(0 != test_~tmp___0~2); 92#L574-2true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 142#L584true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 178#L443true assume { :end_inline_startSystem } true; 148#L592-2true assume { :begin_inline_timeShift } true; 78#L236true assume !(0 != ~pumpRunning~0); 77#L236-2true assume !(0 != ~systemActive~0); 111#L243-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 88#L172-3true __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 60#L99true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 133#L105-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 50#L253true assume { :end_inline_timeShift } true; 26#L554-3true [2018-11-18 11:12:28,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:12:28,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:28,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,294 INFO L82 PathProgramCache]: Analyzing trace with hash -517390267, now seen corresponding path program 1 times [2018-11-18 11:12:28,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:28,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:28,336 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 11:12:28,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:12:28,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:12:28,340 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:12:28,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:12:28,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:12:28,351 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 3 states. [2018-11-18 11:12:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:12:28,427 INFO L93 Difference]: Finished difference Result 371 states and 487 transitions. [2018-11-18 11:12:28,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:12:28,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 487 transitions. [2018-11-18 11:12:28,435 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 244 [2018-11-18 11:12:28,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 351 states and 466 transitions. [2018-11-18 11:12:28,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 351 [2018-11-18 11:12:28,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 351 [2018-11-18 11:12:28,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 351 states and 466 transitions. [2018-11-18 11:12:28,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:12:28,446 INFO L705 BuchiCegarLoop]: Abstraction has 351 states and 466 transitions. [2018-11-18 11:12:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states and 466 transitions. [2018-11-18 11:12:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 348. [2018-11-18 11:12:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-11-18 11:12:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 462 transitions. [2018-11-18 11:12:28,486 INFO L728 BuchiCegarLoop]: Abstraction has 348 states and 462 transitions. [2018-11-18 11:12:28,487 INFO L608 BuchiCegarLoop]: Abstraction has 348 states and 462 transitions. [2018-11-18 11:12:28,487 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:12:28,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 348 states and 462 transitions. [2018-11-18 11:12:28,488 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 241 [2018-11-18 11:12:28,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:12:28,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:12:28,489 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:28,489 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] [2018-11-18 11:12:28,490 INFO L794 eck$LassoCheckResult]: Stem: 754#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 594#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 595#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 673#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 674#L82 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 603#L530 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 604#L506 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, 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; 666#L554-3 [2018-11-18 11:12:28,490 INFO L796 eck$LassoCheckResult]: Loop: 666#L554-3 assume true; 656#L554-1 assume !false; 586#L555 assume test_~splverifierCounter~0 < 4; 587#L556 test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; 839#L564 assume !(0 != test_~tmp~6); 837#L564-2 test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; 835#L574 assume !(0 != test_~tmp___0~2); 833#L574-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 832#L584 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 709#L443 assume { :end_inline_startSystem } true; 756#L592-2 assume { :begin_inline_timeShift } true; 827#L236 assume !(0 != ~pumpRunning~0); 773#L236-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 759#L294 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 657#L268-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 635#L260-3 assume { :end_inline_processEnvironment__wrappee__base } true; 625#L268-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 626#L294-1 assume { :end_inline_processEnvironment } true; 654#L243-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 592#L172-3 __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 593#L99 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 609#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 693#L253 assume { :end_inline_timeShift } true; 666#L554-3 [2018-11-18 11:12:28,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:12:28,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:28,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,547 INFO L82 PathProgramCache]: Analyzing trace with hash 768737920, now seen corresponding path program 1 times [2018-11-18 11:12:28,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,549 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:12:28,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:28,574 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 11:12:28,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:12:28,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:12:28,575 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:12:28,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:12:28,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:12:28,576 INFO L87 Difference]: Start difference. First operand 348 states and 462 transitions. cyclomatic complexity: 117 Second operand 3 states. [2018-11-18 11:12:28,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:12:28,683 INFO L93 Difference]: Finished difference Result 488 states and 625 transitions. [2018-11-18 11:12:28,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:12:28,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 488 states and 625 transitions. [2018-11-18 11:12:28,687 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 347 [2018-11-18 11:12:28,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 488 states to 488 states and 625 transitions. [2018-11-18 11:12:28,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 488 [2018-11-18 11:12:28,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 488 [2018-11-18 11:12:28,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 488 states and 625 transitions. [2018-11-18 11:12:28,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:12:28,693 INFO L705 BuchiCegarLoop]: Abstraction has 488 states and 625 transitions. [2018-11-18 11:12:28,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states and 625 transitions. [2018-11-18 11:12:28,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2018-11-18 11:12:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-11-18 11:12:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 625 transitions. [2018-11-18 11:12:28,704 INFO L728 BuchiCegarLoop]: Abstraction has 488 states and 625 transitions. [2018-11-18 11:12:28,704 INFO L608 BuchiCegarLoop]: Abstraction has 488 states and 625 transitions. [2018-11-18 11:12:28,704 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:12:28,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 488 states and 625 transitions. [2018-11-18 11:12:28,706 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 347 [2018-11-18 11:12:28,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:12:28,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:12:28,707 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:28,707 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] [2018-11-18 11:12:28,708 INFO L794 eck$LassoCheckResult]: Stem: 1611#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1436#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 1437#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1520#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1521#L82 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 1445#L530 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 1446#L506 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, 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; 1633#L554-3 [2018-11-18 11:12:28,708 INFO L796 eck$LassoCheckResult]: Loop: 1633#L554-3 assume true; 1890#L554-1 assume !false; 1889#L555 assume test_~splverifierCounter~0 < 4; 1888#L556 test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; 1886#L564 assume !(0 != test_~tmp~6); 1884#L564-2 test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; 1882#L574 assume !(0 != test_~tmp___0~2); 1880#L574-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 1879#L584 assume !(0 != test_~tmp___2~0);test_~tmp___1~1 := test_#t~nondet39;havoc test_#t~nondet39; 1675#L592 assume !(0 != test_~tmp___1~1); 1615#L592-2 assume { :begin_inline_timeShift } true; 1670#L236 assume !(0 != ~pumpRunning~0); 1644#L236-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1645#L294 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1720#L268-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 1734#L212-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~4 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 1733#L217-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 1732#L413-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1731#L413-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1730#L419-1 processEnvironment__wrappee__methaneQuery_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret14;havoc processEnvironment__wrappee__methaneQuery_#t~ret14; 1631#L272-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1632#L260-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1902#L268-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1900#L294-1 assume { :end_inline_processEnvironment } true; 1899#L243-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 1898#L172-3 __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 1894#L99 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 1892#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1891#L253 assume { :end_inline_timeShift } true; 1633#L554-3 [2018-11-18 11:12:28,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:12:28,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:28,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,752 INFO L82 PathProgramCache]: Analyzing trace with hash 994898632, now seen corresponding path program 1 times [2018-11-18 11:12:28,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,753 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:12:28,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:28,785 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 11:12:28,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:12:28,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:12:28,786 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:12:28,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:12:28,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:12:28,787 INFO L87 Difference]: Start difference. First operand 488 states and 625 transitions. cyclomatic complexity: 140 Second operand 4 states. [2018-11-18 11:12:28,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:12:28,873 INFO L93 Difference]: Finished difference Result 1402 states and 1765 transitions. [2018-11-18 11:12:28,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:12:28,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1402 states and 1765 transitions. [2018-11-18 11:12:28,879 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1009 [2018-11-18 11:12:28,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1402 states to 1402 states and 1765 transitions. [2018-11-18 11:12:28,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1402 [2018-11-18 11:12:28,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1402 [2018-11-18 11:12:28,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1402 states and 1765 transitions. [2018-11-18 11:12:28,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:12:28,886 INFO L705 BuchiCegarLoop]: Abstraction has 1402 states and 1765 transitions. [2018-11-18 11:12:28,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states and 1765 transitions. [2018-11-18 11:12:28,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 512. [2018-11-18 11:12:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-11-18 11:12:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 649 transitions. [2018-11-18 11:12:28,899 INFO L728 BuchiCegarLoop]: Abstraction has 512 states and 649 transitions. [2018-11-18 11:12:28,899 INFO L608 BuchiCegarLoop]: Abstraction has 512 states and 649 transitions. [2018-11-18 11:12:28,899 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 11:12:28,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 512 states and 649 transitions. [2018-11-18 11:12:28,901 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 363 [2018-11-18 11:12:28,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:12:28,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:12:28,902 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:28,902 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] [2018-11-18 11:12:28,902 INFO L794 eck$LassoCheckResult]: Stem: 3529#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 3336#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 3337#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3423#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3424#L82 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 3345#L530 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 3346#L506 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, 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; 3416#L554-3 [2018-11-18 11:12:28,902 INFO L796 eck$LassoCheckResult]: Loop: 3416#L554-3 assume true; 3406#L554-1 assume !false; 3407#L555 assume test_~splverifierCounter~0 < 4; 3680#L556 test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; 3643#L564 assume !(0 != test_~tmp~6); 3642#L564-2 test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; 3641#L574 assume !(0 != test_~tmp___0~2); 3347#L574-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 3348#L584 assume !(0 != test_~tmp___2~0);test_~tmp___1~1 := test_#t~nondet39;havoc test_#t~nondet39; 3584#L592 assume !(0 != test_~tmp___1~1); 3536#L592-2 assume { :begin_inline_timeShift } true; 3639#L236 assume !(0 != ~pumpRunning~0); 3571#L236-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 3572#L294 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 3682#L268-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 3487#L212-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~4 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 3488#L217-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 3512#L413-3 assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; 3477#L413-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 3435#L419-1 processEnvironment__wrappee__methaneQuery_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret14;havoc processEnvironment__wrappee__methaneQuery_#t~ret14; 3436#L272-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3560#L260-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3696#L268-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3694#L294-1 assume { :end_inline_processEnvironment } true; 3693#L243-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 3692#L172-3 __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 3689#L99 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 3443#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3444#L253 assume { :end_inline_timeShift } true; 3416#L554-3 [2018-11-18 11:12:28,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 11:12:28,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:28,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:28,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:28,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1253064070, now seen corresponding path program 1 times [2018-11-18 11:12:28,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:28,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:28,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,936 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:12:28,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:28,971 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 11:12:28,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:12:28,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:12:28,972 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:12:28,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:12:28,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:12:28,972 INFO L87 Difference]: Start difference. First operand 512 states and 649 transitions. cyclomatic complexity: 140 Second operand 5 states. [2018-11-18 11:12:29,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:12:29,079 INFO L93 Difference]: Finished difference Result 1234 states and 1555 transitions. [2018-11-18 11:12:29,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:12:29,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1234 states and 1555 transitions. [2018-11-18 11:12:29,084 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 897 [2018-11-18 11:12:29,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1234 states to 1234 states and 1555 transitions. [2018-11-18 11:12:29,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1234 [2018-11-18 11:12:29,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1234 [2018-11-18 11:12:29,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1234 states and 1555 transitions. [2018-11-18 11:12:29,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:12:29,091 INFO L705 BuchiCegarLoop]: Abstraction has 1234 states and 1555 transitions. [2018-11-18 11:12:29,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states and 1555 transitions. [2018-11-18 11:12:29,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 548. [2018-11-18 11:12:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2018-11-18 11:12:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 685 transitions. [2018-11-18 11:12:29,102 INFO L728 BuchiCegarLoop]: Abstraction has 548 states and 685 transitions. [2018-11-18 11:12:29,102 INFO L608 BuchiCegarLoop]: Abstraction has 548 states and 685 transitions. [2018-11-18 11:12:29,102 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 11:12:29,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 548 states and 685 transitions. [2018-11-18 11:12:29,104 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 387 [2018-11-18 11:12:29,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:12:29,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:12:29,105 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:29,105 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] [2018-11-18 11:12:29,105 INFO L794 eck$LassoCheckResult]: Stem: 5314#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 5096#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 5097#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 5182#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 5183#L82 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 5105#L530 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 5106#L506 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, 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; 5174#L554-3 [2018-11-18 11:12:29,105 INFO L796 eck$LassoCheckResult]: Loop: 5174#L554-3 assume true; 5165#L554-1 assume !false; 5087#L555 assume test_~splverifierCounter~0 < 4; 5088#L556 test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; 5303#L564 assume !(0 != test_~tmp~6); 5318#L564-2 test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; 5319#L574 assume !(0 != test_~tmp___0~2); 5438#L574-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 5439#L584 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 5323#L443 assume { :end_inline_startSystem } true; 5237#L592-2 assume { :begin_inline_timeShift } true; 5238#L236 assume !(0 != ~pumpRunning~0); 5369#L236-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 5370#L294 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 5166#L268-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 5167#L212-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 5256#L217-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 5406#L413-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 5407#L413-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 5382#L419-1 processEnvironment__wrappee__methaneQuery_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret14;havoc processEnvironment__wrappee__methaneQuery_#t~ret14; 5383#L272-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 5502#L260-2 assume { :end_inline_processEnvironment__wrappee__base } true; 5521#L268-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 5519#L294-1 assume { :end_inline_processEnvironment } true; 5518#L243-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 5475#L172-3 __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 5476#L99 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 5205#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 5206#L253 assume { :end_inline_timeShift } true; 5174#L554-3 [2018-11-18 11:12:29,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:29,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times [2018-11-18 11:12:29,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:29,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:29,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:29,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:29,139 INFO L82 PathProgramCache]: Analyzing trace with hash -70486312, now seen corresponding path program 1 times [2018-11-18 11:12:29,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:29,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:29,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,140 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:12:29,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:29,149 INFO L82 PathProgramCache]: Analyzing trace with hash -196221036, now seen corresponding path program 1 times [2018-11-18 11:12:29,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:29,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:29,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:29,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:29,222 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 11:12:29,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:12:29,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:12:29,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:12:29,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:12:29,327 INFO L87 Difference]: Start difference. First operand 548 states and 685 transitions. cyclomatic complexity: 140 Second operand 5 states. [2018-11-18 11:12:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:12:29,481 INFO L93 Difference]: Finished difference Result 1900 states and 2362 transitions. [2018-11-18 11:12:29,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:12:29,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1900 states and 2362 transitions. [2018-11-18 11:12:29,488 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1413 [2018-11-18 11:12:29,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1900 states to 1900 states and 2362 transitions. [2018-11-18 11:12:29,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1900 [2018-11-18 11:12:29,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1900 [2018-11-18 11:12:29,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1900 states and 2362 transitions. [2018-11-18 11:12:29,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:12:29,496 INFO L705 BuchiCegarLoop]: Abstraction has 1900 states and 2362 transitions. [2018-11-18 11:12:29,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states and 2362 transitions. [2018-11-18 11:12:29,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1089. [2018-11-18 11:12:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-11-18 11:12:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1347 transitions. [2018-11-18 11:12:29,535 INFO L728 BuchiCegarLoop]: Abstraction has 1089 states and 1347 transitions. [2018-11-18 11:12:29,535 INFO L608 BuchiCegarLoop]: Abstraction has 1089 states and 1347 transitions. [2018-11-18 11:12:29,535 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-18 11:12:29,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1089 states and 1347 transitions. [2018-11-18 11:12:29,538 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 774 [2018-11-18 11:12:29,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:12:29,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:12:29,539 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:29,539 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, 1] [2018-11-18 11:12:29,539 INFO L794 eck$LassoCheckResult]: Stem: 7749#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 44];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 77];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 101];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 116];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 104];#memory_int := #memory_int[#t~string7.base,5 + #t~string7.offset := 58];#memory_int := #memory_int[#t~string7.base,6 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 67];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 82];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 73];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 84];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 75];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 41];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 7562#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 7563#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7646#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 7647#L82 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; 7569#L530 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 7570#L506 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, 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; 7639#L554-3 [2018-11-18 11:12:29,539 INFO L796 eck$LassoCheckResult]: Loop: 7639#L554-3 assume true; 7630#L554-1 assume !false; 7553#L555 assume test_~splverifierCounter~0 < 4; 7554#L556 test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; 7742#L564 assume !(0 != test_~tmp~6); 7586#L564-2 test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; 7566#L574 assume !(0 != test_~tmp___0~2); 7568#L574-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 7573#L584 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 7686#L443 assume { :end_inline_startSystem } true; 7753#L592-2 assume { :begin_inline_timeShift } true; 8626#L236 assume !(0 != ~pumpRunning~0); 7771#L236-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 7772#L294 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 8060#L268-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 8624#L212-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 8623#L217-1 isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; 8620#L413-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 8618#L413-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 8616#L419-1 processEnvironment__wrappee__methaneQuery_#t~ret14 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret14;havoc processEnvironment__wrappee__methaneQuery_#t~ret14; 8614#L272-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 8613#L260-2 assume { :end_inline_processEnvironment__wrappee__base } true; 7592#L268-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 7593#L294-1 assume { :end_inline_processEnvironment } true; 8541#L243-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 8540#L172-3 __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 8539#L99 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 8538#L204 __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; 8537#L105 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 8536#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 7746#L253 assume { :end_inline_timeShift } true; 7639#L554-3 [2018-11-18 11:12:29,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:29,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 6 times [2018-11-18 11:12:29,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:29,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:29,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:29,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:29,570 INFO L82 PathProgramCache]: Analyzing trace with hash 983385387, now seen corresponding path program 1 times [2018-11-18 11:12:29,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:29,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:29,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,571 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:12:29,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:29,579 INFO L82 PathProgramCache]: Analyzing trace with hash 411399911, now seen corresponding path program 1 times [2018-11-18 11:12:29,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:29,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:29,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:29,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:29,714 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-11-18 11:13:11,663 WARN L180 SmtUtils]: Spent 41.89 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:13:31,183 WARN L180 SmtUtils]: Spent 19.52 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:13:31,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:13:31 BoogieIcfgContainer [2018-11-18 11:13:31,253 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:13:31,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:13:31,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:13:31,254 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:13:31,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:28" (3/4) ... [2018-11-18 11:13:31,256 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:13:31,298 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4bb66870-8a50-404f-95ad-e7ece1252f7b/bin-2019/uautomizer/witness.graphml [2018-11-18 11:13:31,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:13:31,299 INFO L168 Benchmark]: Toolchain (without parser) took 64378.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 134.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:31,300 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 11:13:31,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:31,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.89 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:31,302 INFO L168 Benchmark]: Boogie Preprocessor took 37.88 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:31,302 INFO L168 Benchmark]: RCFGBuilder took 655.66 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: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:31,302 INFO L168 Benchmark]: BuchiAutomizer took 63215.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -97.7 MB). Peak memory consumption was 362.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:31,302 INFO L168 Benchmark]: Witness Printer took 45.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:31,303 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 369.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.89 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.88 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 655.66 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: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 63215.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -97.7 MB). Peak memory consumption was 362.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.5 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 1089 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 63.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 62.3s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2390 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 1089 states and ocurred in iteration 5. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1670 SDtfs, 2526 SDslu, 2775 SDs, 0 SdLazy, 335 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 554]: 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@6664f856=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@364b970f=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c02c879=0, "__utac__get_this_arg"=0, "libacc.c"=38, ",Meth:"=36, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=15, retValue_acc=0, "__utac__get_this_argtype"=39, "OK"=34, methaneLevelCritical=0, tmp___0=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "\n"=22, tmp=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, tmp___1=0, retValue_acc=0, "Off"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c676b8e=0, "Off"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c386075=0, tmp___0=1, tmp=0, cleanupTimeShifts=4, ",Pump:"=27, ") "=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c3e50c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b7a3833=154, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61324e84=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bd439dd=0, ",Pump:"=0, "Off"=0, "On"=0, "On"=0, "Off"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=11, \result=1, "i > 0 && i <= this->argsCount"=20, \result=0, retValue_acc=0, "__utac__get_this_arg"=18, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, \result=1, head=0, pumpRunning=0, \result=0, "On"=29, retValue_acc=1, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=0, "\n"=0, tmp=1, \result=1, "i > 0 && i <= this->argsCount"=14, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=0, "libacc.c"=0, tmp=1, "Env(Water:%i"=37, retValue_acc=1, tmp___2=154, tmp___0=0, splverifierCounter=0, "libacc.c"=0, "CRIT"=0, ",Meth:"=0, "Env(Water:%i"=0, \result=0, "CRIT"=35, "i > 0 && i <= this->argsCount"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6843d92b=0, "libacc.c"=19, tmp=0, tmp___1=0, head=0, tmp=0, "Pump(System:"=31, "On"=26, ") "=0, ")"=0, "OK"=0, "libacc.c"=16, ")"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a066a4d=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 554]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L181] FCALL "Env(Water:%i" [L182] FCALL ",Meth:" [L186] FCALL "CRIT" [L190] FCALL "OK" [L194] FCALL ")" [L373] FCALL "Pump(System:" [L377] FCALL "On" [L381] FCALL "Off" [L385] FCALL ",Pump:" [L389] FCALL "On" [L393] FCALL "Off" [L397] FCALL ") " [L399] FCALL "\n" [L910] FCALL "i > 0 && i <= this->argsCount" [L910] FCALL "libacc.c" [L911] FCALL "__utac__get_this_arg" [L917] FCALL "i > 0 && i <= this->argsCount" [L917] FCALL "libacc.c" [L918] FCALL "__utac__get_this_arg" [L956] FCALL "i > 0 && i <= this->argsCount" [L956] FCALL "libacc.c" [L957] FCALL "__utac__get_this_argtype" [L963] FCALL "i > 0 && i <= this->argsCount" [L963] FCALL "libacc.c" [L964] FCALL "__utac__get_this_argtype" [L129] int waterLevel = 1; [L130] int methaneLevelCritical = 0; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L447] int cleanupTimeShifts = 4; [L782] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L521] int retValue_acc ; [L522] int tmp ; [L526] FCALL select_helpers() [L527] FCALL select_features() [L528] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L528] EXPR valid_product() [L528] tmp = valid_product() [L530] COND TRUE \read(tmp) [L532] FCALL setup() [L533] CALL runTest() [L515] CALL test() [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 Loop: [L554] COND TRUE 1 [L556] COND TRUE splverifierCounter < 4 [L562] tmp = __VERIFIER_nondet_int() [L564] COND FALSE !(\read(tmp)) [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND TRUE \read(tmp___2) [L586] CALL startSystem() [L442] RET systemActive = 1 [L586] startSystem() [L601] CALL timeShift() [L236] COND FALSE !(\read(pumpRunning)) [L243] COND TRUE \read(systemActive) [L245] CALL processEnvironment() [L291] int tmp ; [L294] COND FALSE !(\read(pumpRunning)) [L309] CALL processEnvironment__wrappee__methaneQuery() [L265] int tmp ; [L268] COND TRUE ! pumpRunning [L270] CALL, EXPR isHighWaterLevel() [L405] int retValue_acc ; [L406] int tmp ; [L407] int tmp___0 ; [L411] CALL, EXPR isHighWaterSensorDry() [L209] int retValue_acc ; [L212] COND TRUE waterLevel < 2 [L213] retValue_acc = 1 [L214] RET return (retValue_acc); [L411] EXPR isHighWaterSensorDry() [L411] tmp = isHighWaterSensorDry() [L413] COND TRUE \read(tmp) [L414] tmp___0 = 0 [L418] retValue_acc = tmp___0 [L419] RET return (retValue_acc); [L270] EXPR isHighWaterLevel() [L270] tmp = isHighWaterLevel() [L272] COND FALSE !(\read(tmp)) [L278] RET, FCALL processEnvironment__wrappee__base() [L309] RET processEnvironment__wrappee__methaneQuery() [L245] processEnvironment() [L251] CALL __utac_acc__Specification3_spec__1() [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L97] CALL, EXPR isMethaneLevelCritical() [L168] int retValue_acc ; [L171] retValue_acc = methaneLevelCritical [L172] RET return (retValue_acc); [L97] EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L103] CALL, EXPR getWaterLevel() [L200] int retValue_acc ; [L203] retValue_acc = waterLevel [L204] RET return (retValue_acc); [L103] EXPR getWaterLevel() [L103] tmp___0 = getWaterLevel() [L105] COND FALSE, RET !(tmp___0 == 2) [L251] RET __utac_acc__Specification3_spec__1() [L601] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...