./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_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_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:15:33,239 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:15:33,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:15:33,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:15:33,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:15:33,250 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:15:33,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:15:33,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:15:33,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:15:33,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:15:33,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:15:33,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:15:33,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:15:33,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:15:33,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:15:33,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:15:33,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:15:33,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:15:33,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:15:33,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:15:33,262 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:15:33,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:15:33,265 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:15:33,265 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:15:33,265 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:15:33,266 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:15:33,266 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:15:33,266 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:15:33,267 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:15:33,268 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:15:33,268 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:15:33,269 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:15:33,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:15:33,269 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:15:33,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:15:33,270 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:15:33,271 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:15:33,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:15:33,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:15:33,282 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:15:33,282 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:15:33,283 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:15:33,283 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:15:33,283 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:15:33,283 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:15:33,283 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:15:33,283 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:15:33,283 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:15:33,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:15:33,284 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:15:33,284 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:15:33,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:15:33,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:15:33,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:15:33,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:15:33,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:15:33,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:15:33,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:15:33,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:15:33,286 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:15:33,286 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:15:33,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:15:33,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:15:33,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:15:33,287 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:15:33,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:15:33,287 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:15:33,287 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:15:33,288 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:15:33,288 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_138eaeaf-c220-4076-9684-20dab0ea656d/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2018-11-18 12:15:33,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:15:33,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:15:33,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:15:33,325 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:15:33,325 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:15:33,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-18 12:15:33,365 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/data/5c688f805/454ef3c9f8db4fcbaa340dbff0ded375/FLAG94632120d [2018-11-18 12:15:33,780 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:15:33,780 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-18 12:15:33,787 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/data/5c688f805/454ef3c9f8db4fcbaa340dbff0ded375/FLAG94632120d [2018-11-18 12:15:33,794 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/data/5c688f805/454ef3c9f8db4fcbaa340dbff0ded375 [2018-11-18 12:15:33,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:15:33,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:15:33,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:15:33,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:15:33,801 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:15:33,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:15:33" (1/1) ... [2018-11-18 12:15:33,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:33, skipping insertion in model container [2018-11-18 12:15:33,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:15:33" (1/1) ... [2018-11-18 12:15:33,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:15:33,846 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:15:34,054 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:15:34,062 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:15:34,165 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:15:34,189 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:15:34,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34 WrapperNode [2018-11-18 12:15:34,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:15:34,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:15:34,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:15:34,190 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:15:34,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:15:34,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:15:34,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:15:34,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:15:34,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... [2018-11-18 12:15:34,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:15:34,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:15:34,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:15:34,270 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:15:34,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/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 12:15:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:15:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:15:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:15:34,858 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:15:34,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:15:34 BoogieIcfgContainer [2018-11-18 12:15:34,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:15:34,859 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:15:34,859 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:15:34,861 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:15:34,862 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:15:34,862 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:15:33" (1/3) ... [2018-11-18 12:15:34,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de0a556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:15:34, skipping insertion in model container [2018-11-18 12:15:34,863 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:15:34,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:15:34" (2/3) ... [2018-11-18 12:15:34,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de0a556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:15:34, skipping insertion in model container [2018-11-18 12:15:34,863 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:15:34,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:15:34" (3/3) ... [2018-11-18 12:15:34,864 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-18 12:15:34,901 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:15:34,902 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:15:34,902 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:15:34,902 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:15:34,902 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:15:34,902 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:15:34,902 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:15:34,902 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:15:34,903 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:15:34,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 12:15:34,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 12:15:34,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:15:34,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:15:34,936 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:15:34,936 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 12:15:34,936 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:15:34,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states. [2018-11-18 12:15:34,940 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2018-11-18 12:15:34,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:15:34,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:15:34,941 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:15:34,941 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 12:15:34,945 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 18#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 166#L957true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 103#L950true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 29#L965true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 134#L132true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 40#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 10#L263true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 98#L306-3true [2018-11-18 12:15:34,945 INFO L796 eck$LassoCheckResult]: Loop: 98#L306-3true assume true; 92#L306-1true assume !false; 20#L307true assume test_~splverifierCounter~0 < 4; 127#L308true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 147#L316true assume !(0 != test_~tmp~2); 151#L316-2true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 56#L326true assume !(0 != test_~tmp___0~1); 32#L326-2true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 114#L336true assume 0 != test_~tmp___2~0; 62#L342-2true assume { :begin_inline_timeShift } true; 55#L370true assume !(0 != ~pumpRunning~0); 58#L370-2true assume !(0 != ~systemActive~0); 119#L377-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 150#L195true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 12#L274true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 9#L274-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 5#L387true assume { :end_inline_timeShift } true; 98#L306-3true [2018-11-18 12:15:34,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:34,949 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 12:15:34,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:34,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:34,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:34,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:34,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,100 INFO L82 PathProgramCache]: Analyzing trace with hash 628811099, now seen corresponding path program 1 times [2018-11-18 12:15:35,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:35,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash -107130478, now seen corresponding path program 1 times [2018-11-18 12:15:35,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:35,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:35,243 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 12:15:35,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:15:35,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:15:35,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:15:35,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:15:35,330 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 6 states. [2018-11-18 12:15:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:15:35,453 INFO L93 Difference]: Finished difference Result 165 states and 217 transitions. [2018-11-18 12:15:35,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:15:35,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 217 transitions. [2018-11-18 12:15:35,460 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2018-11-18 12:15:35,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 155 states and 207 transitions. [2018-11-18 12:15:35,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2018-11-18 12:15:35,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2018-11-18 12:15:35,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 207 transitions. [2018-11-18 12:15:35,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:15:35,469 INFO L705 BuchiCegarLoop]: Abstraction has 155 states and 207 transitions. [2018-11-18 12:15:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 207 transitions. [2018-11-18 12:15:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 12:15:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 12:15:35,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2018-11-18 12:15:35,495 INFO L728 BuchiCegarLoop]: Abstraction has 155 states and 207 transitions. [2018-11-18 12:15:35,495 INFO L608 BuchiCegarLoop]: Abstraction has 155 states and 207 transitions. [2018-11-18 12:15:35,495 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:15:35,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 207 transitions. [2018-11-18 12:15:35,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2018-11-18 12:15:35,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:15:35,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:15:35,498 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:15:35,498 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:15:35,498 INFO L794 eck$LassoCheckResult]: Stem: 493#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 378#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 379#L957 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 480#L950 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 404#L965 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 405#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 426#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 366#L263 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 354#L306-3 [2018-11-18 12:15:35,498 INFO L796 eck$LassoCheckResult]: Loop: 354#L306-3 assume true; 474#L306-1 assume !false; 385#L307 assume test_~splverifierCounter~0 < 4; 386#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 492#L316 assume !(0 != test_~tmp~2); 497#L316-2 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 446#L326 assume !(0 != test_~tmp___0~1); 407#L326-2 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 408#L336 assume 0 != test_~tmp___2~0; 450#L342-2 assume { :begin_inline_timeShift } true; 445#L370 assume !(0 != ~pumpRunning~0); 420#L370-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 427#L428 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 428#L402-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 473#L394-3 assume { :end_inline_processEnvironment__wrappee__base } true; 470#L402-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 433#L428-1 assume { :end_inline_processEnvironment } true; 434#L377-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 485#L195 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 367#L274 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 363#L274-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 353#L387 assume { :end_inline_timeShift } true; 354#L306-3 [2018-11-18 12:15:35,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,499 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 12:15:35,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:35,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,546 INFO L82 PathProgramCache]: Analyzing trace with hash 391605179, now seen corresponding path program 1 times [2018-11-18 12:15:35,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,547 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:15:35,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:35,573 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 12:15:35,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:15:35,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:15:35,574 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:15:35,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:15:35,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:15:35,574 INFO L87 Difference]: Start difference. First operand 155 states and 207 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 12:15:35,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:15:35,641 INFO L93 Difference]: Finished difference Result 215 states and 277 transitions. [2018-11-18 12:15:35,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:15:35,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 277 transitions. [2018-11-18 12:15:35,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2018-11-18 12:15:35,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 215 states and 277 transitions. [2018-11-18 12:15:35,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2018-11-18 12:15:35,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2018-11-18 12:15:35,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 277 transitions. [2018-11-18 12:15:35,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:15:35,647 INFO L705 BuchiCegarLoop]: Abstraction has 215 states and 277 transitions. [2018-11-18 12:15:35,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 277 transitions. [2018-11-18 12:15:35,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-11-18 12:15:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-18 12:15:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 277 transitions. [2018-11-18 12:15:35,655 INFO L728 BuchiCegarLoop]: Abstraction has 215 states and 277 transitions. [2018-11-18 12:15:35,655 INFO L608 BuchiCegarLoop]: Abstraction has 215 states and 277 transitions. [2018-11-18 12:15:35,655 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:15:35,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 277 transitions. [2018-11-18 12:15:35,657 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2018-11-18 12:15:35,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:15:35,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:15:35,658 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:15:35,658 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 12:15:35,658 INFO L794 eck$LassoCheckResult]: Stem: 872#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 755#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 756#L957 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 857#L950 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 778#L965 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 779#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 797#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 741#L263 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 733#L306-3 [2018-11-18 12:15:35,658 INFO L796 eck$LassoCheckResult]: Loop: 733#L306-3 assume true; 850#L306-1 assume !false; 759#L307 assume test_~splverifierCounter~0 < 4; 760#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 871#L316 assume !(0 != test_~tmp~2); 880#L316-2 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 821#L326 assume !(0 != test_~tmp___0~1); 783#L326-2 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 784#L336 assume 0 != test_~tmp___2~0; 827#L342-2 assume { :begin_inline_timeShift } true; 819#L370 assume !(0 != ~pumpRunning~0); 820#L370-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 798#L428 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 799#L402-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 828#L235-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 829#L240-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 782#L530-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 737#L530-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 738#L536-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 762#L406-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 763#L394-2 assume { :end_inline_processEnvironment__wrappee__base } true; 846#L402-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 809#L428-1 assume { :end_inline_processEnvironment } true; 810#L377-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 864#L195 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 744#L274 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 740#L274-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 732#L387 assume { :end_inline_timeShift } true; 733#L306-3 [2018-11-18 12:15:35,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,659 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 12:15:35,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:35,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,693 INFO L82 PathProgramCache]: Analyzing trace with hash -334879983, now seen corresponding path program 1 times [2018-11-18 12:15:35,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,694 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:15:35,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:35,710 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 12:15:35,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:15:35,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:15:35,711 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:15:35,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:15:35,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:15:35,711 INFO L87 Difference]: Start difference. First operand 215 states and 277 transitions. cyclomatic complexity: 64 Second operand 4 states. [2018-11-18 12:15:35,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:15:35,820 INFO L93 Difference]: Finished difference Result 605 states and 767 transitions. [2018-11-18 12:15:35,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:15:35,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 605 states and 767 transitions. [2018-11-18 12:15:35,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 434 [2018-11-18 12:15:35,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 605 states to 605 states and 767 transitions. [2018-11-18 12:15:35,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 605 [2018-11-18 12:15:35,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 605 [2018-11-18 12:15:35,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 605 states and 767 transitions. [2018-11-18 12:15:35,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:15:35,832 INFO L705 BuchiCegarLoop]: Abstraction has 605 states and 767 transitions. [2018-11-18 12:15:35,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states and 767 transitions. [2018-11-18 12:15:35,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 227. [2018-11-18 12:15:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-18 12:15:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 289 transitions. [2018-11-18 12:15:35,842 INFO L728 BuchiCegarLoop]: Abstraction has 227 states and 289 transitions. [2018-11-18 12:15:35,842 INFO L608 BuchiCegarLoop]: Abstraction has 227 states and 289 transitions. [2018-11-18 12:15:35,842 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 12:15:35,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 227 states and 289 transitions. [2018-11-18 12:15:35,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 158 [2018-11-18 12:15:35,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:15:35,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:15:35,846 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:15:35,846 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 12:15:35,847 INFO L794 eck$LassoCheckResult]: Stem: 1715#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1585#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1586#L957 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1699#L950 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1611#L965 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1612#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1636#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1573#L263 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1563#L306-3 [2018-11-18 12:15:35,847 INFO L796 eck$LassoCheckResult]: Loop: 1563#L306-3 assume true; 1690#L306-1 assume !false; 1691#L307 assume test_~splverifierCounter~0 < 4; 1713#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 1714#L316 assume !(0 != test_~tmp~2); 1723#L316-2 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 1657#L326 assume !(0 != test_~tmp___0~1); 1614#L326-2 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 1615#L336 assume 0 != test_~tmp___2~0; 1663#L342-2 assume { :begin_inline_timeShift } true; 1655#L370 assume !(0 != ~pumpRunning~0); 1656#L370-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1634#L428 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1635#L402-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 1664#L235-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~3 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 1665#L240-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 1613#L530-3 assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; 1567#L530-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1568#L536-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 1589#L406-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 1590#L394-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1686#L402-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1640#L428-1 assume { :end_inline_processEnvironment } true; 1641#L377-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 1706#L195 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 1574#L274 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 1570#L274-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1562#L387 assume { :end_inline_timeShift } true; 1563#L306-3 [2018-11-18 12:15:35,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,847 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 12:15:35,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:35,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:35,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:35,880 INFO L82 PathProgramCache]: Analyzing trace with hash -76714545, now seen corresponding path program 1 times [2018-11-18 12:15:35,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:35,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:35,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,882 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:15:35,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:15:35,950 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 12:15:35,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:15:35,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:15:35,951 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:15:35,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:15:35,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:15:35,952 INFO L87 Difference]: Start difference. First operand 227 states and 289 transitions. cyclomatic complexity: 64 Second operand 5 states. [2018-11-18 12:15:36,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:15:36,067 INFO L93 Difference]: Finished difference Result 545 states and 692 transitions. [2018-11-18 12:15:36,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:15:36,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 545 states and 692 transitions. [2018-11-18 12:15:36,070 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 394 [2018-11-18 12:15:36,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 545 states to 545 states and 692 transitions. [2018-11-18 12:15:36,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 545 [2018-11-18 12:15:36,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 545 [2018-11-18 12:15:36,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 545 states and 692 transitions. [2018-11-18 12:15:36,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:15:36,073 INFO L705 BuchiCegarLoop]: Abstraction has 545 states and 692 transitions. [2018-11-18 12:15:36,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states and 692 transitions. [2018-11-18 12:15:36,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 245. [2018-11-18 12:15:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-18 12:15:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 307 transitions. [2018-11-18 12:15:36,082 INFO L728 BuchiCegarLoop]: Abstraction has 245 states and 307 transitions. [2018-11-18 12:15:36,082 INFO L608 BuchiCegarLoop]: Abstraction has 245 states and 307 transitions. [2018-11-18 12:15:36,082 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 12:15:36,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 245 states and 307 transitions. [2018-11-18 12:15:36,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 170 [2018-11-18 12:15:36,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:15:36,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:15:36,084 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:15:36,084 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 12:15:36,085 INFO L794 eck$LassoCheckResult]: Stem: 2499#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2369#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 2370#L957 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2483#L950 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 2393#L965 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 2394#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 2415#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 2357#L263 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2348#L306-3 [2018-11-18 12:15:36,085 INFO L796 eck$LassoCheckResult]: Loop: 2348#L306-3 assume true; 2474#L306-1 assume !false; 2373#L307 assume test_~splverifierCounter~0 < 4; 2374#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 2498#L316 assume !(0 != test_~tmp~2); 2506#L316-2 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 2437#L326 assume !(0 != test_~tmp___0~1); 2396#L326-2 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 2397#L336 assume 0 != test_~tmp___2~0; 2443#L342-2 assume { :begin_inline_timeShift } true; 2435#L370 assume !(0 != ~pumpRunning~0); 2436#L370-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 2411#L428 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 2412#L402-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 2444#L235-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 2446#L240-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 2455#L530-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 2534#L530-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 2532#L536-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 2529#L406-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 2469#L394-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2470#L402-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2421#L428-1 assume { :end_inline_processEnvironment } true; 2422#L377-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 2491#L195 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 2359#L274 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 2354#L274-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 2347#L387 assume { :end_inline_timeShift } true; 2348#L306-3 [2018-11-18 12:15:36,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:36,085 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2018-11-18 12:15:36,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:36,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:36,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:36,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:36,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:36,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:36,117 INFO L82 PathProgramCache]: Analyzing trace with hash 676237267, now seen corresponding path program 1 times [2018-11-18 12:15:36,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:36,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:36,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:36,118 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:15:36,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:36,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:15:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1675307836, now seen corresponding path program 1 times [2018-11-18 12:15:36,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:15:36,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:15:36,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:36,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:15:36,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:15:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:15:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:17:09,897 WARN L180 SmtUtils]: Spent 1.56 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 12:17:56,346 WARN L180 SmtUtils]: Spent 46.44 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 12:17:56,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:17:56 BoogieIcfgContainer [2018-11-18 12:17:56,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:17:56,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:17:56,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:17:56,413 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:17:56,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:15:34" (3/4) ... [2018-11-18 12:17:56,416 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:17:56,460 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_138eaeaf-c220-4076-9684-20dab0ea656d/bin-2019/uautomizer/witness.graphml [2018-11-18 12:17:56,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:17:56,461 INFO L168 Benchmark]: Toolchain (without parser) took 142663.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:17:56,461 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:17:56,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -198.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:17:56,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:17:56,462 INFO L168 Benchmark]: Boogie Preprocessor took 30.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:17:56,462 INFO L168 Benchmark]: RCFGBuilder took 589.29 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: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:17:56,462 INFO L168 Benchmark]: BuchiAutomizer took 141552.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -53.2 MB). Peak memory consumption was 295.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:17:56,463 INFO L168 Benchmark]: Witness Printer took 47.76 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: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:17:56,467 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -198.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 589.29 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: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 141552.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -53.2 MB). Peak memory consumption was 295.6 MB. Max. memory is 11.5 GB. * Witness Printer took 47.76 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: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 245 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 141.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 140.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 678 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 245 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 982 SDtfs, 1809 SDslu, 1198 SDs, 0 SdLazy, 184 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 306]: 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 {retValue_acc=0, NULL=0, ")"=17, retValue_acc=0, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ef524b8=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=31, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44235b7a=0, "OK"=18, tmp___0=0, tmp=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29a00cb9=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, ") "=34, "libacc.c"=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, "Env(Water:%i"=20, retValue_acc=0, tmp___1=0, "On"=36, "On"=15, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, tmp=0, cleanupTimeShifts=4, "Off"=12, "Off"=35, "Off"=0, "On"=0, "Pump(System:"=0, ",Pump:"=0, "On"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=39, "__utac__get_this_arg"=29, \result=0, ")"=0, "libacc.c"=27, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=19, \result=1, head=0, pumpRunning=0, tmp=1, "libacc.c"=23, \result=0, "Pump(System:"=16, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4754401e=0, "libacc.c"=37, "__utac__get_this_argtype"=0, "\n"=0, ") "=0, "\n"=33, \result=1, tmp___0=0, "__utac__get_this_argtype"=38, "__utac__get_this_arg"=24, tmp___2=158, tmp=1, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, methAndRunningLastTime=0, \result=0, "CRIT"=11, "__utac__get_this_argtype"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56cc380d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32dd22a9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58bcbae3=158, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6738456d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e50af1c=0, "i > 0 && i <= this->argsCount"=28, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10cc1fab=0, ",Pump:"=14, "Off"=0, tmp=0, "i > 0 && i <= this->argsCount"=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 306]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L204] FCALL "Env(Water:%i" [L205] FCALL ",Meth:" [L209] FCALL "CRIT" [L213] FCALL "OK" [L217] FCALL ")" [L490] FCALL "Pump(System:" [L494] FCALL "On" [L498] FCALL "Off" [L502] FCALL ",Pump:" [L506] FCALL "On" [L510] FCALL "Off" [L514] FCALL ") " [L516] FCALL "\n" [L857] FCALL "i > 0 && i <= this->argsCount" [L857] FCALL "libacc.c" [L858] FCALL "__utac__get_this_arg" [L864] FCALL "i > 0 && i <= this->argsCount" [L864] FCALL "libacc.c" [L865] FCALL "__utac__get_this_arg" [L903] FCALL "i > 0 && i <= this->argsCount" [L903] FCALL "libacc.c" [L904] FCALL "__utac__get_this_argtype" [L910] FCALL "i > 0 && i <= this->argsCount" [L910] FCALL "libacc.c" [L911] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L152] int waterLevel = 1; [L153] int methaneLevelCritical = 0; [L257] int methAndRunningLastTime ; [L363] int pumpRunning = 0; [L364] int systemActive = 1; [L729] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L961] int retValue_acc ; [L964] retValue_acc = 1 [L965] RET return (retValue_acc); [L130] EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L113] CALL __utac_acc__Specification2_spec__1() [L262] RET methAndRunningLastTime = 0 [L113] __utac_acc__Specification2_spec__1() [L114] CALL test() [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 Loop: [L306] COND TRUE 1 [L308] COND TRUE splverifierCounter < 4 [L314] tmp = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp)) [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L349] CALL timeShift() [L370] COND FALSE !(\read(pumpRunning)) [L377] COND TRUE \read(systemActive) [L379] CALL processEnvironment() [L425] int tmp ; [L428] COND FALSE !(\read(pumpRunning)) [L443] CALL processEnvironment__wrappee__highWaterSensor() [L399] int tmp ; [L402] COND TRUE ! pumpRunning [L404] CALL, EXPR isHighWaterLevel() [L522] int retValue_acc ; [L523] int tmp ; [L524] int tmp___0 ; [L528] CALL, EXPR isHighWaterSensorDry() [L232] int retValue_acc ; [L235] COND TRUE waterLevel < 2 [L236] retValue_acc = 1 [L237] RET return (retValue_acc); [L528] EXPR isHighWaterSensorDry() [L528] tmp = isHighWaterSensorDry() [L530] COND TRUE \read(tmp) [L531] tmp___0 = 0 [L535] retValue_acc = tmp___0 [L536] RET return (retValue_acc); [L404] EXPR isHighWaterLevel() [L404] tmp = isHighWaterLevel() [L406] COND FALSE !(\read(tmp)) [L412] RET, FCALL processEnvironment__wrappee__base() [L443] RET processEnvironment__wrappee__highWaterSensor() [L379] processEnvironment() [L385] CALL __utac_acc__Specification2_spec__2() [L267] int tmp ; [L268] int tmp___0 ; [L272] CALL, EXPR isMethaneLevelCritical() [L191] int retValue_acc ; [L194] retValue_acc = methaneLevelCritical [L195] RET return (retValue_acc); [L272] EXPR isMethaneLevelCritical() [L272] tmp = isMethaneLevelCritical() [L274] COND FALSE !(\read(tmp)) [L290] RET methAndRunningLastTime = 0 [L385] RET __utac_acc__Specification2_spec__2() [L349] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...