./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/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 f25a9f8800d2b9b6ef21419533be8e4411f52f7f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:52:04,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:52:04,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:52:04,211 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:52:04,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:52:04,212 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:52:04,213 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:52:04,214 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:52:04,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:52:04,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:52:04,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:52:04,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:52:04,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:52:04,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:52:04,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:52:04,219 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:52:04,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:52:04,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:52:04,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:52:04,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:52:04,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:52:04,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:52:04,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:52:04,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:52:04,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:52:04,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:52:04,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:52:04,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:52:04,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:52:04,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:52:04,230 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:52:04,230 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:52:04,230 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:52:04,231 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:52:04,231 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:52:04,232 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:52:04,232 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:52:04,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:52:04,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:52:04,244 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:52:04,244 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:52:04,244 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:52:04,244 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:52:04,244 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:52:04,244 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:52:04,245 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:52:04,245 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:52:04,246 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:52:04,246 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:52:04,246 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:52:04,246 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:52:04,246 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:52:04,247 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:52:04,247 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:52:04,247 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:52:04,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:52:04,247 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:52:04,247 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:52:04,247 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:52:04,247 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:52:04,247 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:52:04,248 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:52:04,248 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_83655ace-8af8-4482-af30-bb8d035b60f6/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 -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2018-11-18 12:52:04,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:52:04,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:52:04,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:52:04,284 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:52:04,285 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:52:04,285 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-18 12:52:04,329 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/data/6f188e42d/52cbc17787a843e8a99023aeb5173786/FLAG68eb33306 [2018-11-18 12:52:04,655 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:52:04,655 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-18 12:52:04,662 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/data/6f188e42d/52cbc17787a843e8a99023aeb5173786/FLAG68eb33306 [2018-11-18 12:52:04,673 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/data/6f188e42d/52cbc17787a843e8a99023aeb5173786 [2018-11-18 12:52:04,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:52:04,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:52:04,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:04,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:52:04,679 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:52:04,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:04" (1/1) ... [2018-11-18 12:52:04,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:04, skipping insertion in model container [2018-11-18 12:52:04,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:52:04" (1/1) ... [2018-11-18 12:52:04,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:52:04,718 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:52:04,907 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:04,916 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:52:05,015 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:52:05,033 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:52:05,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05 WrapperNode [2018-11-18 12:52:05,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:52:05,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:52:05,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:52:05,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:52:05,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:52:05,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:52:05,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:52:05,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:52:05,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... [2018-11-18 12:52:05,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:52:05,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:52:05,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:52:05,110 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:52:05,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/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 12:52:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:52:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:52:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:52:05,655 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:52:05,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:05 BoogieIcfgContainer [2018-11-18 12:52:05,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:52:05,657 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:52:05,657 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:52:05,659 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:52:05,660 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:52:05,660 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:52:04" (1/3) ... [2018-11-18 12:52:05,661 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67e4dca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:52:05, skipping insertion in model container [2018-11-18 12:52:05,661 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:52:05,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:52:05" (2/3) ... [2018-11-18 12:52:05,661 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67e4dca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:52:05, skipping insertion in model container [2018-11-18 12:52:05,661 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:52:05,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:05" (3/3) ... [2018-11-18 12:52:05,663 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-11-18 12:52:05,698 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:52:05,698 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:52:05,698 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:52:05,698 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:52:05,699 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:52:05,699 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:52:05,699 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:52:05,699 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:52:05,699 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:52:05,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states. [2018-11-18 12:52:05,736 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2018-11-18 12:52:05,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:05,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:05,742 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:05,742 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:05,742 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:52:05,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states. [2018-11-18 12:52:05,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2018-11-18 12:52:05,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:05,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:05,749 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:05,749 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:05,753 INFO L794 eck$LassoCheckResult]: Stem: 88#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(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 14#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 60#L58true 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; 9#L73true main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret38;havoc main_#t~ret38; 36#L538true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 62#L515true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 32#L271-3true [2018-11-18 12:52:05,753 INFO L796 eck$LassoCheckResult]: Loop: 32#L271-3true assume true; 35#L271-1true assume !false; 92#L272true assume test_~splverifierCounter~0 < 4; 47#L273true test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 78#L281true assume !(0 != test_~tmp~3); 74#L281-2true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 124#L291true assume !(0 != test_~tmp___0~1); 118#L291-2true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 42#L301true assume 0 != test_~tmp___2~0; 18#L307-2true assume { :begin_inline_timeShift } true; 30#L95true assume !(0 != ~pumpRunning~0); 6#L95-2true assume !(0 != ~systemActive~0); 61#L102-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 51#L405-1true __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 33#L337true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 7#L343-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 102#L112true assume { :end_inline_timeShift } true; 32#L271-3true [2018-11-18 12:52:05,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:05,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:52:05,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:05,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:05,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:05,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:05,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:05,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:05,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1958817467, now seen corresponding path program 1 times [2018-11-18 12:52:05,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:05,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:05,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:05,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:05,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:05,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:05,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1404468225, now seen corresponding path program 1 times [2018-11-18 12:52:05,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:05,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:05,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:05,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:05,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:06,070 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 12:52:06,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:06,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:52:06,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:52:06,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:52:06,152 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 6 states. [2018-11-18 12:52:06,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:06,283 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions. [2018-11-18 12:52:06,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:52:06,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 156 transitions. [2018-11-18 12:52:06,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-18 12:52:06,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 112 states and 146 transitions. [2018-11-18 12:52:06,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 112 [2018-11-18 12:52:06,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 112 [2018-11-18 12:52:06,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 146 transitions. [2018-11-18 12:52:06,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:52:06,295 INFO L705 BuchiCegarLoop]: Abstraction has 112 states and 146 transitions. [2018-11-18 12:52:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 146 transitions. [2018-11-18 12:52:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-18 12:52:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-18 12:52:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 146 transitions. [2018-11-18 12:52:06,319 INFO L728 BuchiCegarLoop]: Abstraction has 112 states and 146 transitions. [2018-11-18 12:52:06,319 INFO L608 BuchiCegarLoop]: Abstraction has 112 states and 146 transitions. [2018-11-18 12:52:06,319 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:52:06,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 146 transitions. [2018-11-18 12:52:06,320 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-18 12:52:06,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:06,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:06,321 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:06,321 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] [2018-11-18 12:52:06,321 INFO L794 eck$LassoCheckResult]: Stem: 363#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(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 280#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 281#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 289#L58 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; 278#L73 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret38;havoc main_#t~ret38; 279#L538 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 324#L515 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 318#L271-3 [2018-11-18 12:52:06,322 INFO L796 eck$LassoCheckResult]: Loop: 318#L271-3 assume true; 319#L271-1 assume !false; 323#L272 assume test_~splverifierCounter~0 < 4; 334#L273 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 335#L281 assume !(0 != test_~tmp~3); 356#L281-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 357#L291 assume !(0 != test_~tmp___0~1); 322#L291-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 331#L301 assume 0 != test_~tmp___2~0; 285#L307-2 assume { :begin_inline_timeShift } true; 296#L95 assume !(0 != ~pumpRunning~0); 272#L95-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 273#L127 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 342#L119-1 assume { :end_inline_processEnvironment__wrappee__base } true; 298#L127-1 assume { :end_inline_processEnvironment } true; 338#L102-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 339#L405-1 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 320#L337 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 270#L343-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 274#L112 assume { :end_inline_timeShift } true; 318#L271-3 [2018-11-18 12:52:06,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:06,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:52:06,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:06,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:06,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:06,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:06,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1715250041, now seen corresponding path program 1 times [2018-11-18 12:52:06,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:06,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:06,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,373 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:52:06,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:06,386 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 12:52:06,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:06,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:52:06,387 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:52:06,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:52:06,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:52:06,388 INFO L87 Difference]: Start difference. First operand 112 states and 146 transitions. cyclomatic complexity: 36 Second operand 3 states. [2018-11-18 12:52:06,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:06,471 INFO L93 Difference]: Finished difference Result 175 states and 222 transitions. [2018-11-18 12:52:06,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:52:06,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 175 states and 222 transitions. [2018-11-18 12:52:06,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 12:52:06,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 175 states to 175 states and 222 transitions. [2018-11-18 12:52:06,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175 [2018-11-18 12:52:06,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2018-11-18 12:52:06,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 222 transitions. [2018-11-18 12:52:06,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:52:06,478 INFO L705 BuchiCegarLoop]: Abstraction has 175 states and 222 transitions. [2018-11-18 12:52:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 222 transitions. [2018-11-18 12:52:06,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-11-18 12:52:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 12:52:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 222 transitions. [2018-11-18 12:52:06,486 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 222 transitions. [2018-11-18 12:52:06,487 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 222 transitions. [2018-11-18 12:52:06,487 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:52:06,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 222 transitions. [2018-11-18 12:52:06,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2018-11-18 12:52:06,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:06,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:06,490 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:06,490 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] [2018-11-18 12:52:06,490 INFO L794 eck$LassoCheckResult]: Stem: 660#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(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 573#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 581#L58 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; 570#L73 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret38;havoc main_#t~ret38; 571#L538 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 616#L515 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 610#L271-3 [2018-11-18 12:52:06,491 INFO L796 eck$LassoCheckResult]: Loop: 610#L271-3 assume true; 611#L271-1 assume !false; 615#L272 assume test_~splverifierCounter~0 < 4; 628#L273 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 629#L281 assume !(0 != test_~tmp~3); 653#L281-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 654#L291 assume !(0 != test_~tmp___0~1); 614#L291-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 625#L301 assume 0 != test_~tmp___2~0; 577#L307-2 assume { :begin_inline_timeShift } true; 588#L95 assume !(0 != ~pumpRunning~0); 564#L95-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 565#L127 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 649#L445 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 602#L450 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 603#L247 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 680#L247-2 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 659#L253 processEnvironment_#t~ret1 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0 := processEnvironment_#t~ret1;havoc processEnvironment_#t~ret1; 592#L131 assume !(0 != processEnvironment_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 594#L119 assume { :end_inline_processEnvironment__wrappee__base } true; 590#L127-1 assume { :end_inline_processEnvironment } true; 632#L102-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 633#L405-1 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 612#L337 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 562#L343-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 566#L112 assume { :end_inline_timeShift } true; 610#L271-3 [2018-11-18 12:52:06,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:06,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 12:52:06,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:06,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:06,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:06,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:06,536 INFO L82 PathProgramCache]: Analyzing trace with hash 2008122927, now seen corresponding path program 1 times [2018-11-18 12:52:06,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:06,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:06,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,537 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:52:06,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:06,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1881681651, now seen corresponding path program 1 times [2018-11-18 12:52:06,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:06,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:06,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:06,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:52:06,612 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 12:52:06,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:06,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:52:06,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:52:06,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:52:06,757 INFO L87 Difference]: Start difference. First operand 175 states and 222 transitions. cyclomatic complexity: 49 Second operand 5 states. [2018-11-18 12:52:06,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:52:06,927 INFO L93 Difference]: Finished difference Result 606 states and 766 transitions. [2018-11-18 12:52:06,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:52:06,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 606 states and 766 transitions. [2018-11-18 12:52:06,932 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 446 [2018-11-18 12:52:06,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 606 states to 606 states and 766 transitions. [2018-11-18 12:52:06,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 606 [2018-11-18 12:52:06,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 606 [2018-11-18 12:52:06,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 606 states and 766 transitions. [2018-11-18 12:52:06,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:52:06,941 INFO L705 BuchiCegarLoop]: Abstraction has 606 states and 766 transitions. [2018-11-18 12:52:06,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states and 766 transitions. [2018-11-18 12:52:06,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 343. [2018-11-18 12:52:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-11-18 12:52:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 429 transitions. [2018-11-18 12:52:06,957 INFO L728 BuchiCegarLoop]: Abstraction has 343 states and 429 transitions. [2018-11-18 12:52:06,957 INFO L608 BuchiCegarLoop]: Abstraction has 343 states and 429 transitions. [2018-11-18 12:52:06,957 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 12:52:06,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 343 states and 429 transitions. [2018-11-18 12:52:06,960 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 248 [2018-11-18 12:52:06,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:52:06,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:52:06,961 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:06,962 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:52:06,962 INFO L794 eck$LassoCheckResult]: Stem: 1463#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(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1373#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 1374#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1382#L58 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; 1369#L73 main_#t~ret38 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret38;havoc main_#t~ret38; 1370#L538 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 1415#L515 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1443#L271-3 [2018-11-18 12:52:06,962 INFO L796 eck$LassoCheckResult]: Loop: 1443#L271-3 assume true; 1650#L271-1 assume !false; 1649#L272 assume test_~splverifierCounter~0 < 4; 1427#L273 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 1428#L281 assume !(0 != test_~tmp~3); 1453#L281-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 1454#L291 assume !(0 != test_~tmp___0~1); 1688#L291-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1685#L301 assume 0 != test_~tmp___2~0; 1684#L307-2 assume { :begin_inline_timeShift } true; 1670#L95 assume !(0 != ~pumpRunning~0); 1665#L95-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 1666#L127 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 1657#L445 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 1662#L450 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 1660#L247 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1658#L247-2 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1655#L253 processEnvironment_#t~ret1 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0 := processEnvironment_#t~ret1;havoc processEnvironment_#t~ret1; 1605#L131 assume !(0 != processEnvironment_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1438#L119 assume { :end_inline_processEnvironment__wrappee__base } true; 1431#L127-1 assume { :end_inline_processEnvironment } true; 1432#L102-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 1534#L405-1 __utac_acc__Specification3_spec__1_#t~ret25 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; 1535#L337 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 1481#L437 __utac_acc__Specification3_spec__1_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret26;havoc __utac_acc__Specification3_spec__1_#t~ret26; 1482#L343 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1652#L343-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1651#L112 assume { :end_inline_timeShift } true; 1443#L271-3 [2018-11-18 12:52:06,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:06,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 12:52:06,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:06,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:06,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:06,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:06,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:06,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1367068834, now seen corresponding path program 1 times [2018-11-18 12:52:06,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:06,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:06,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:06,997 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:52:06,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:07,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:52:07,007 INFO L82 PathProgramCache]: Analyzing trace with hash 116086886, now seen corresponding path program 1 times [2018-11-18 12:52:07,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:52:07,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:52:07,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:07,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:52:07,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:52:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:52:50,448 WARN L180 SmtUtils]: Spent 43.27 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:53:13,821 WARN L180 SmtUtils]: Spent 23.37 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:53:13,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:53:13 BoogieIcfgContainer [2018-11-18 12:53:13,884 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:53:13,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:53:13,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:53:13,885 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:53:13,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:52:05" (3/4) ... [2018-11-18 12:53:13,888 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:53:13,938 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83655ace-8af8-4482-af30-bb8d035b60f6/bin-2019/uautomizer/witness.graphml [2018-11-18 12:53:13,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:53:13,939 INFO L168 Benchmark]: Toolchain (without parser) took 69263.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.7 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -240.3 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:13,940 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:53:13,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -199.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:13,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:53:13,940 INFO L168 Benchmark]: Boogie Preprocessor took 28.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:53:13,940 INFO L168 Benchmark]: RCFGBuilder took 547.03 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:13,941 INFO L168 Benchmark]: BuchiAutomizer took 68227.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.9 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:53:13,941 INFO L168 Benchmark]: Witness Printer took 53.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:53:13,942 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -199.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 547.03 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 68227.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.9 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 343 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 68.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 67.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 263 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 343 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 506 SDtfs, 1100 SDslu, 743 SDs, 0 SdLazy, 112 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 271]: 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 {"Off"=26, NULL=0, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=40, "On"=31, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, ",Pump:"=28, methaneLevelCritical=0, ")"=17, tmp___0=0, tmp=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "CRIT"=19, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=0, "Env(Water:%i"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d665d5f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bc5c566=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@373538ad=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48298705=0, ",Meth:"=20, tmp=0, ") "=24, tmp___0=1, "Env(Water:%i"=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=39, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ff2cfeb=0, "libacc.c"=15, \result=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b16a5a=0, "i > 0 && i <= this->argsCount"=16, \result=0, retValue_acc=1, "\n"=0, "i > 0 && i <= this->argsCount"=36, "libacc.c"=0, "Off"=0, "OK"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3119c4f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73bfc2cb=160, tmp=1, "OK"=18, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fab8748=0, \result=1, "libacc.c"=37, "libacc.c"=12, "__utac__get_this_argtype"=0, tmp=1, "Pump(System:"=33, retValue_acc=1, retValue_acc=1, tmp___2=160, tmp___0=0, splverifierCounter=0, "__utac__get_this_arg"=0, "Off"=0, "On"=0, "Pump(System:"=0, \result=0, "Off"=29, "libacc.c"=38, tmp=0, "__utac__get_this_arg"=14, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ec50d9d=0, head=0, "\n"=23, ")"=0, ",Meth:"=0, "On"=0, ",Pump:"=0, "__utac__get_this_arg"=35, "On"=27} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 271]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L207] FCALL "Pump(System:" [L211] FCALL "On" [L215] FCALL "Off" [L219] FCALL ",Pump:" [L223] FCALL "On" [L227] FCALL "Off" [L231] FCALL ") " [L233] FCALL "\n" [L414] FCALL "Env(Water:%i" [L415] FCALL ",Meth:" [L419] FCALL "CRIT" [L423] FCALL "OK" [L427] FCALL ")" [L849] FCALL "i > 0 && i <= this->argsCount" [L849] FCALL "libacc.c" [L850] FCALL "__utac__get_this_arg" [L856] FCALL "i > 0 && i <= this->argsCount" [L856] FCALL "libacc.c" [L857] FCALL "__utac__get_this_arg" [L895] FCALL "i > 0 && i <= this->argsCount" [L895] FCALL "libacc.c" [L896] FCALL "__utac__get_this_argtype" [L902] FCALL "i > 0 && i <= this->argsCount" [L902] FCALL "libacc.c" [L903] FCALL "__utac__get_this_argtype" [L87] int pumpRunning = 0; [L88] int systemActive = 1; [L362] int waterLevel = 1; [L363] int methaneLevelCritical = 0; [L456] int cleanupTimeShifts = 4; [L721] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L529] int retValue_acc ; [L530] int tmp ; [L534] FCALL select_helpers() [L535] FCALL select_features() [L536] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L536] EXPR valid_product() [L536] tmp = valid_product() [L538] COND TRUE \read(tmp) [L540] FCALL setup() [L541] CALL runTest() [L523] CALL test() [L262] int splverifierCounter ; [L263] int tmp ; [L264] int tmp___0 ; [L265] int tmp___1 ; [L266] int tmp___2 ; [L269] splverifierCounter = 0 Loop: [L271] COND TRUE 1 [L273] COND TRUE splverifierCounter < 4 [L279] tmp = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp)) [L289] tmp___0 = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp___0)) [L299] tmp___2 = __VERIFIER_nondet_int() [L301] COND TRUE \read(tmp___2) [L314] CALL timeShift() [L95] COND FALSE !(\read(pumpRunning)) [L102] COND TRUE \read(systemActive) [L104] CALL processEnvironment() [L124] int tmp ; [L127] COND TRUE ! pumpRunning [L129] CALL, EXPR isHighWaterLevel() [L239] int retValue_acc ; [L240] int tmp ; [L241] int tmp___0 ; [L245] CALL, EXPR isHighWaterSensorDry() [L442] int retValue_acc ; [L445] COND TRUE waterLevel < 2 [L446] retValue_acc = 1 [L447] RET return (retValue_acc); [L245] EXPR isHighWaterSensorDry() [L245] tmp = isHighWaterSensorDry() [L247] COND TRUE \read(tmp) [L248] tmp___0 = 0 [L252] retValue_acc = tmp___0 [L253] RET return (retValue_acc); [L129] EXPR isHighWaterLevel() [L129] tmp = isHighWaterLevel() [L131] COND FALSE !(\read(tmp)) [L137] RET, FCALL processEnvironment__wrappee__base() [L104] processEnvironment() [L110] CALL __utac_acc__Specification3_spec__1() [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L335] CALL, EXPR isMethaneLevelCritical() [L401] int retValue_acc ; [L404] retValue_acc = methaneLevelCritical [L405] RET return (retValue_acc); [L335] EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L341] CALL, EXPR getWaterLevel() [L433] int retValue_acc ; [L436] retValue_acc = waterLevel [L437] RET return (retValue_acc); [L341] EXPR getWaterLevel() [L341] tmp___0 = getWaterLevel() [L343] COND FALSE, RET !(tmp___0 == 2) [L110] RET __utac_acc__Specification3_spec__1() [L314] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...