./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_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_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/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 edf277e8e45bc51905c3746c53b47e5f504df38a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:43:09,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:43:09,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:43:09,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:43:09,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:43:09,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:43:09,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:43:09,336 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:43:09,337 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:43:09,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:43:09,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:43:09,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:43:09,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:43:09,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:43:09,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:43:09,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:43:09,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:43:09,344 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:43:09,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:43:09,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:43:09,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:43:09,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:43:09,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:43:09,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:43:09,350 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:43:09,351 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:43:09,351 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:43:09,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:43:09,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:43:09,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:43:09,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:43:09,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:43:09,354 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:43:09,354 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:43:09,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:43:09,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:43:09,355 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:43:09,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:43:09,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:43:09,367 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:43:09,367 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:43:09,367 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:43:09,367 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:43:09,367 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:43:09,367 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:43:09,367 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:43:09,368 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:43:09,368 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:43:09,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:43:09,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:43:09,368 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:43:09,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:43:09,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:43:09,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:43:09,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:43:09,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:43:09,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:43:09,370 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:43:09,370 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:43:09,370 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:43:09,370 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:43:09,370 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:43:09,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:43:09,371 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:43:09,371 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:43:09,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:43:09,371 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:43:09,371 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:43:09,372 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:43:09,372 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_c48cc55c-0226-4fb4-898c-af1da4b6574b/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-11-18 11:43:09,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:43:09,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:43:09,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:43:09,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:43:09,408 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:43:09,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:43:09,448 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/data/f411e56f3/b8965f5ef0494c189aa3c8a20853500b/FLAGf89609bbb [2018-11-18 11:43:09,789 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:43:09,790 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:43:09,800 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/data/f411e56f3/b8965f5ef0494c189aa3c8a20853500b/FLAGf89609bbb [2018-11-18 11:43:09,811 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/data/f411e56f3/b8965f5ef0494c189aa3c8a20853500b [2018-11-18 11:43:09,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:43:09,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:43:09,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:43:09,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:43:09,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:43:09,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09, skipping insertion in model container [2018-11-18 11:43:09,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:43:09,856 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:43:10,047 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:43:10,055 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:43:10,157 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:43:10,180 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:43:10,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10 WrapperNode [2018-11-18 11:43:10,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:43:10,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:43:10,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:43:10,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:43:10,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:43:10,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:43:10,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:43:10,234 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:43:10,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... [2018-11-18 11:43:10,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:43:10,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:43:10,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:43:10,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:43:10,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:43:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:43:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:43:10,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:43:10,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:43:10,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:10 BoogieIcfgContainer [2018-11-18 11:43:10,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:43:10,976 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:43:10,976 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:43:10,979 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:43:10,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:43:10,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:43:09" (1/3) ... [2018-11-18 11:43:10,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27e9a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:43:10, skipping insertion in model container [2018-11-18 11:43:10,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:43:10,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:10" (2/3) ... [2018-11-18 11:43:10,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27e9a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:43:10, skipping insertion in model container [2018-11-18 11:43:10,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:43:10,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:10" (3/3) ... [2018-11-18 11:43:10,983 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:43:11,026 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:43:11,027 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:43:11,027 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:43:11,027 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:43:11,027 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:43:11,027 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:43:11,027 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:43:11,027 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:43:11,027 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:43:11,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-18 11:43:11,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 11:43:11,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:43:11,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:43:11,063 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:11,063 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 11:43:11,063 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:43:11,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-18 11:43:11,068 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 11:43:11,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:43:11,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:43:11,069 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:11,069 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 11:43:11,072 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 44];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 80];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 117];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 109];#memory_int := #memory_int[#t~string53.base,4 + #t~string53.offset := 112];#memory_int := #memory_int[#t~string53.base,5 + #t~string53.offset := 58];#memory_int := #memory_int[#t~string53.base,6 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 41];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 32];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 10];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 74#L94true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 37#L87true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 83#L102true main_#t~ret64 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 65#L846true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 111#L823true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 105#L487-3true [2018-11-18 11:43:11,072 INFO L796 eck$LassoCheckResult]: Loop: 105#L487-3true assume true; 125#L487-1true assume !false; 69#L488true assume test_~splverifierCounter~0 < 4; 174#L489true test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 39#L497true assume !(0 != test_~tmp~4); 47#L497-2true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 78#L507true assume !(0 != test_~tmp___0~1); 72#L507-2true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 152#L517true assume 0 != test_~tmp___2~0; 91#L523-2true assume { :begin_inline_timeShift } true; 112#L556true assume !(0 != ~pumpRunning~0); 120#L556-2true assume !(0 != ~systemActive~0); 35#L563-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 62#L904-2true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 23#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 20#L51-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 75#L573true assume { :end_inline_timeShift } true; 105#L487-3true [2018-11-18 11:43:11,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:43:11,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:11,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,231 INFO L82 PathProgramCache]: Analyzing trace with hash 259954963, now seen corresponding path program 1 times [2018-11-18 11:43:11,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:11,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,243 INFO L82 PathProgramCache]: Analyzing trace with hash -671726641, now seen corresponding path program 1 times [2018-11-18 11:43:11,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:11,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:11,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:43:11,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:43:11,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:43:11,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:43:11,457 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 6 states. [2018-11-18 11:43:11,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:43:11,568 INFO L93 Difference]: Finished difference Result 185 states and 240 transitions. [2018-11-18 11:43:11,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:43:11,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 240 transitions. [2018-11-18 11:43:11,573 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 11:43:11,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 175 states and 230 transitions. [2018-11-18 11:43:11,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175 [2018-11-18 11:43:11,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2018-11-18 11:43:11,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions. [2018-11-18 11:43:11,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:43:11,581 INFO L705 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 11:43:11,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions. [2018-11-18 11:43:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-11-18 11:43:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 11:43:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 230 transitions. [2018-11-18 11:43:11,606 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 11:43:11,606 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 11:43:11,606 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:43:11,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 230 transitions. [2018-11-18 11:43:11,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 11:43:11,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:43:11,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:43:11,609 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:11,609 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 11:43:11,610 INFO L794 eck$LassoCheckResult]: Stem: 536#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 44];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 80];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 117];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 109];#memory_int := #memory_int[#t~string53.base,4 + #t~string53.offset := 112];#memory_int := #memory_int[#t~string53.base,5 + #t~string53.offset := 58];#memory_int := #memory_int[#t~string53.base,6 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 41];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 32];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 10];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 443#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 444#L94 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 454#L87 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 455#L102 main_#t~ret64 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 481#L846 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 482#L823 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 493#L487-3 [2018-11-18 11:43:11,610 INFO L796 eck$LassoCheckResult]: Loop: 493#L487-3 assume true; 521#L487-1 assume !false; 485#L488 assume test_~splverifierCounter~0 < 4; 486#L489 test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 458#L497 assume !(0 != test_~tmp~4); 460#L497-2 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 469#L507 assume !(0 != test_~tmp___0~1); 489#L507-2 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 490#L517 assume 0 != test_~tmp___2~0; 512#L523-2 assume { :begin_inline_timeShift } true; 513#L556 assume !(0 != ~pumpRunning~0); 530#L556-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 518#L614 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 436#L588-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 438#L580-3 assume { :end_inline_processEnvironment__wrappee__base } true; 462#L588-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 426#L614-1 assume { :end_inline_processEnvironment } true; 449#L563-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 450#L904-2 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 430#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 423#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 424#L573 assume { :end_inline_timeShift } true; 493#L487-3 [2018-11-18 11:43:11,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:43:11,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:11,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,654 INFO L82 PathProgramCache]: Analyzing trace with hash -202439871, now seen corresponding path program 1 times [2018-11-18 11:43:11,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,655 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:43:11,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:11,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:43:11,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:43:11,675 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:43:11,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:43:11,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:43:11,676 INFO L87 Difference]: Start difference. First operand 175 states and 230 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 11:43:11,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:43:11,757 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2018-11-18 11:43:11,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:43:11,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 238 states and 300 transitions. [2018-11-18 11:43:11,760 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2018-11-18 11:43:11,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 238 states to 238 states and 300 transitions. [2018-11-18 11:43:11,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 238 [2018-11-18 11:43:11,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 238 [2018-11-18 11:43:11,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 238 states and 300 transitions. [2018-11-18 11:43:11,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:43:11,764 INFO L705 BuchiCegarLoop]: Abstraction has 238 states and 300 transitions. [2018-11-18 11:43:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states and 300 transitions. [2018-11-18 11:43:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-11-18 11:43:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-18 11:43:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 300 transitions. [2018-11-18 11:43:11,772 INFO L728 BuchiCegarLoop]: Abstraction has 238 states and 300 transitions. [2018-11-18 11:43:11,772 INFO L608 BuchiCegarLoop]: Abstraction has 238 states and 300 transitions. [2018-11-18 11:43:11,772 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:43:11,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 238 states and 300 transitions. [2018-11-18 11:43:11,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2018-11-18 11:43:11,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:43:11,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:43:11,775 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:11,775 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 11:43:11,775 INFO L794 eck$LassoCheckResult]: Stem: 965#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 44];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 80];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 117];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 109];#memory_int := #memory_int[#t~string53.base,4 + #t~string53.offset := 112];#memory_int := #memory_int[#t~string53.base,5 + #t~string53.offset := 58];#memory_int := #memory_int[#t~string53.base,6 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 41];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 32];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 10];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 862#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 863#L94 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 873#L87 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 874#L102 main_#t~ret64 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 904#L846 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 905#L823 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 916#L487-3 [2018-11-18 11:43:11,775 INFO L796 eck$LassoCheckResult]: Loop: 916#L487-3 assume true; 945#L487-1 assume !false; 908#L488 assume test_~splverifierCounter~0 < 4; 909#L489 test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 1043#L497 assume !(0 != test_~tmp~4); 1041#L497-2 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 1039#L507 assume !(0 != test_~tmp___0~1); 1037#L507-2 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 1035#L517 assume 0 != test_~tmp___2~0; 934#L523-2 assume { :begin_inline_timeShift } true; 935#L556 assume !(0 != ~pumpRunning~0); 954#L556-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 940#L614 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 856#L588-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 857#L944-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 969#L949-1 isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; 977#L734-3 assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; 990#L734-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 971#L740-1 processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; 925#L592-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 926#L580-2 assume { :end_inline_processEnvironment__wrappee__base } true; 881#L588-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 847#L614-1 assume { :end_inline_processEnvironment } true; 868#L563-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 869#L904-2 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 850#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 842#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 843#L573 assume { :end_inline_timeShift } true; 916#L487-3 [2018-11-18 11:43:11,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:43:11,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:11,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,806 INFO L82 PathProgramCache]: Analyzing trace with hash 205583831, now seen corresponding path program 1 times [2018-11-18 11:43:11,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,807 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:43:11,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:11,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:43:11,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:43:11,835 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:43:11,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:43:11,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:43:11,836 INFO L87 Difference]: Start difference. First operand 238 states and 300 transitions. cyclomatic complexity: 64 Second operand 4 states. [2018-11-18 11:43:11,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:43:11,903 INFO L93 Difference]: Finished difference Result 463 states and 575 transitions. [2018-11-18 11:43:11,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:43:11,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 463 states and 575 transitions. [2018-11-18 11:43:11,906 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 328 [2018-11-18 11:43:11,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 463 states to 463 states and 575 transitions. [2018-11-18 11:43:11,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 463 [2018-11-18 11:43:11,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 463 [2018-11-18 11:43:11,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 463 states and 575 transitions. [2018-11-18 11:43:11,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:43:11,911 INFO L705 BuchiCegarLoop]: Abstraction has 463 states and 575 transitions. [2018-11-18 11:43:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states and 575 transitions. [2018-11-18 11:43:11,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 250. [2018-11-18 11:43:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-11-18 11:43:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 312 transitions. [2018-11-18 11:43:11,920 INFO L728 BuchiCegarLoop]: Abstraction has 250 states and 312 transitions. [2018-11-18 11:43:11,921 INFO L608 BuchiCegarLoop]: Abstraction has 250 states and 312 transitions. [2018-11-18 11:43:11,921 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 11:43:11,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 250 states and 312 transitions. [2018-11-18 11:43:11,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2018-11-18 11:43:11,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:43:11,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:43:11,923 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:11,923 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 11:43:11,923 INFO L794 eck$LassoCheckResult]: Stem: 1679#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 44];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 80];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 117];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 109];#memory_int := #memory_int[#t~string53.base,4 + #t~string53.offset := 112];#memory_int := #memory_int[#t~string53.base,5 + #t~string53.offset := 58];#memory_int := #memory_int[#t~string53.base,6 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 41];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 32];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 10];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1573#L94 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1585#L87 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1586#L102 main_#t~ret64 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 1615#L846 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1616#L823 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1666#L487-3 [2018-11-18 11:43:11,924 INFO L796 eck$LassoCheckResult]: Loop: 1666#L487-3 assume true; 1732#L487-1 assume !false; 1730#L488 assume test_~splverifierCounter~0 < 4; 1718#L489 test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 1588#L497 assume !(0 != test_~tmp~4); 1590#L497-2 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 1601#L507 assume !(0 != test_~tmp___0~1); 1624#L507-2 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 1625#L517 assume 0 != test_~tmp___2~0; 1646#L523-2 assume { :begin_inline_timeShift } true; 1647#L556 assume !(0 != ~pumpRunning~0); 1667#L556-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1652#L614 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1566#L588-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1567#L944-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1684#L949-1 isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; 1693#L734-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 1708#L734-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1687#L740-1 processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; 1637#L592-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 1638#L580-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1711#L588-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1683#L614-1 assume { :end_inline_processEnvironment } true; 1748#L563-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1746#L904-2 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 1743#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 1738#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1736#L573 assume { :end_inline_timeShift } true; 1666#L487-3 [2018-11-18 11:43:11,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 11:43:11,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:11,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,962 INFO L82 PathProgramCache]: Analyzing trace with hash -52581607, now seen corresponding path program 1 times [2018-11-18 11:43:11,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,963 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:43:11,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:11,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:11,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1303563555, now seen corresponding path program 1 times [2018-11-18 11:43:11,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:43:11,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:43:11,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:11,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:43:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:01,839 WARN L180 SmtUtils]: Spent 49.69 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:44:32,718 WARN L180 SmtUtils]: Spent 30.88 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:44:32,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:44:32 BoogieIcfgContainer [2018-11-18 11:44:32,795 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:44:32,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:44:32,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:44:32,795 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:44:32,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:10" (3/4) ... [2018-11-18 11:44:32,798 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:44:32,836 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c48cc55c-0226-4fb4-898c-af1da4b6574b/bin-2019/uautomizer/witness.graphml [2018-11-18 11:44:32,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:44:32,837 INFO L168 Benchmark]: Toolchain (without parser) took 83023.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.0 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -246.3 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,838 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:44:32,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.44 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 11:44:32,839 INFO L168 Benchmark]: Boogie Preprocessor took 29.06 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 11:44:32,839 INFO L168 Benchmark]: RCFGBuilder took 712.95 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: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,839 INFO L168 Benchmark]: BuchiAutomizer took 81818.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.8 MB). Peak memory consumption was 303.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,842 INFO L168 Benchmark]: Witness Printer took 41.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 11:44:32,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 365.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.44 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 29.06 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. * RCFGBuilder took 712.95 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: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 81818.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.8 MB). Peak memory consumption was 303.0 MB. Max. memory is 11.5 GB. * Witness Printer took 41.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 250 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 81.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 81.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 213 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 250 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 716 SDtfs, 1253 SDslu, 507 SDs, 0 SdLazy, 96 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 487]: 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 {NULL=0, "Pump(System:"=0, "On"=16, "\n"=0, retValue_acc=0, "OK"=39, methaneLevelCritical=0, tmp___0=0, tmp=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=24, "Env(Water:%i"=0, ",Meth:"=8, retValue_acc=0, tmp___1=0, "__utac__get_this_arg"=34, tmp___0=0, cleanupTimeShifts=4, "libacc.c"=23, "libacc.c"=31, "libacc.c"=27, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25306509=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42d2f361=0, tmp=0, tmp=1, ",Pump:"=17, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@469c5569=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bdf4dd8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7793043c=182, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b6d539=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ba8ae14=0, "On"=0, \result=0, "Pump(System:"=20, "On"=0, "Off"=0, ",Pump:"=0, \result=1, head=0, pumpRunning=0, "On"=19, "Off"=15, \result=0, "i > 0 && i <= this->argsCount"=11, ")"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dfdcc7a=0, "Env(Water:%i"=37, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c82a8f6=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, "libacc.c"=0, "__utac__get_this_argtype"=22, tmp=0, \result=1, "\n"=35, "libacc.c"=12, "OK"=0, ")"=0, retValue_acc=1, tmp=1, retValue_acc=1, tmp___2=182, "i > 0 && i <= this->argsCount"=28, tmp___0=0, "__utac__get_this_arg"=29, splverifierCounter=0, ") "=0, \result=0, "CRIT"=38, ") "=36, head=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=33, "i > 0 && i <= this->argsCount"=0, tmp=0, "__utac__get_this_argtype"=26, "libacc.c"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c4008f6=0, "Off"=18} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 487]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L404] FCALL "i > 0 && i <= this->argsCount" [L404] FCALL "libacc.c" [L405] FCALL "__utac__get_this_arg" [L411] FCALL "i > 0 && i <= this->argsCount" [L411] FCALL "libacc.c" [L412] FCALL "__utac__get_this_arg" [L450] FCALL "i > 0 && i <= this->argsCount" [L450] FCALL "libacc.c" [L451] FCALL "__utac__get_this_argtype" [L457] FCALL "i > 0 && i <= this->argsCount" [L457] FCALL "libacc.c" [L458] FCALL "__utac__get_this_argtype" [L694] FCALL "Pump(System:" [L698] FCALL "On" [L702] FCALL "Off" [L706] FCALL ",Pump:" [L710] FCALL "On" [L714] FCALL "Off" [L718] FCALL ") " [L720] FCALL "\n" [L913] FCALL "Env(Water:%i" [L914] FCALL ",Meth:" [L918] FCALL "CRIT" [L922] FCALL "OK" [L926] FCALL ")" [L549] int pumpRunning = 0; [L550] int systemActive = 1; [L764] int cleanupTimeShifts = 4; [L861] int waterLevel = 1; [L862] int methaneLevelCritical = 0; [L276] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L837] int retValue_acc ; [L838] int tmp ; [L842] FCALL select_helpers() [L843] FCALL select_features() [L844] CALL, EXPR valid_product() [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] RET return (retValue_acc); [L844] EXPR valid_product() [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L848] FCALL setup() [L849] CALL runTest() [L831] CALL test() [L478] int splverifierCounter ; [L479] int tmp ; [L480] int tmp___0 ; [L481] int tmp___1 ; [L482] int tmp___2 ; [L485] splverifierCounter = 0 Loop: [L487] COND TRUE 1 [L489] COND TRUE splverifierCounter < 4 [L495] tmp = __VERIFIER_nondet_int() [L497] COND FALSE !(\read(tmp)) [L505] tmp___0 = __VERIFIER_nondet_int() [L507] COND FALSE !(\read(tmp___0)) [L515] tmp___2 = __VERIFIER_nondet_int() [L517] COND TRUE \read(tmp___2) [L530] CALL timeShift() [L556] COND FALSE !(\read(pumpRunning)) [L563] COND TRUE \read(systemActive) [L565] CALL processEnvironment() [L611] int tmp ; [L614] COND FALSE !(\read(pumpRunning)) [L629] CALL processEnvironment__wrappee__highWaterSensor() [L585] int tmp ; [L588] COND TRUE ! pumpRunning [L590] CALL, EXPR isHighWaterLevel() [L726] int retValue_acc ; [L727] int tmp ; [L728] int tmp___0 ; [L732] CALL, EXPR isHighWaterSensorDry() [L941] int retValue_acc ; [L944] COND TRUE waterLevel < 2 [L945] retValue_acc = 1 [L946] RET return (retValue_acc); [L732] EXPR isHighWaterSensorDry() [L732] tmp = isHighWaterSensorDry() [L734] COND TRUE \read(tmp) [L735] tmp___0 = 0 [L739] retValue_acc = tmp___0 [L740] RET return (retValue_acc); [L590] EXPR isHighWaterLevel() [L590] tmp = isHighWaterLevel() [L592] COND FALSE !(\read(tmp)) [L598] RET, FCALL processEnvironment__wrappee__base() [L629] RET processEnvironment__wrappee__highWaterSensor() [L565] processEnvironment() [L571] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L900] int retValue_acc ; [L903] retValue_acc = methaneLevelCritical [L904] RET return (retValue_acc); [L49] EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE, RET !(\read(tmp)) [L571] RET __utac_acc__Specification1_spec__1() [L530] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...