./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/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 35ec611011aa6867bf0bb36080e273ba993b072e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:51:14,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:51:14,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:51:14,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:51:14,412 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:51:14,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:51:14,414 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:51:14,415 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:51:14,416 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:51:14,416 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:51:14,417 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:51:14,417 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:51:14,418 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:51:14,418 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:51:14,419 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:51:14,419 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:51:14,420 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:51:14,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:51:14,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:51:14,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:51:14,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:51:14,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:51:14,426 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:51:14,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:51:14,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:51:14,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:51:14,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:51:14,428 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:51:14,429 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:51:14,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:51:14,430 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:51:14,430 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:51:14,430 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:51:14,430 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:51:14,431 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:51:14,431 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:51:14,432 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:51:14,442 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:51:14,442 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:51:14,443 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:51:14,443 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:51:14,443 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:51:14,443 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:51:14,443 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:51:14,443 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:51:14,444 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:51:14,444 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:51:14,444 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:51:14,444 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:51:14,444 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:51:14,444 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:51:14,444 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:51:14,445 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:51:14,446 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:51:14,446 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:51:14,446 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:51:14,446 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:51:14,446 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:51:14,446 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:51:14,446 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:51:14,446 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:51:14,447 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:51:14,447 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_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2018-11-18 08:51:14,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:51:14,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:51:14,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:51:14,483 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:51:14,483 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:51:14,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-11-18 08:51:14,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/data/78f45d684/514ce47d3a31419ba17e54a6e8fa0cb0/FLAG96bd8be37 [2018-11-18 08:51:14,942 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:51:14,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-11-18 08:51:14,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/data/78f45d684/514ce47d3a31419ba17e54a6e8fa0cb0/FLAG96bd8be37 [2018-11-18 08:51:14,957 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/data/78f45d684/514ce47d3a31419ba17e54a6e8fa0cb0 [2018-11-18 08:51:14,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:51:14,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:51:14,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:51:14,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:51:14,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:51:14,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:14" (1/1) ... [2018-11-18 08:51:14,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:14, skipping insertion in model container [2018-11-18 08:51:14,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:51:14" (1/1) ... [2018-11-18 08:51:14,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:51:15,008 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:51:15,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:51:15,212 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:51:15,318 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:51:15,338 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:51:15,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15 WrapperNode [2018-11-18 08:51:15,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:51:15,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:51:15,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:51:15,339 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:51:15,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:51:15,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:51:15,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:51:15,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:51:15,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... [2018-11-18 08:51:15,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:51:15,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:51:15,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:51:15,411 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:51:15,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/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 08:51:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:51:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:51:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:51:15,916 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:51:15,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:15 BoogieIcfgContainer [2018-11-18 08:51:15,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:51:15,917 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:51:15,917 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:51:15,919 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:51:15,920 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:51:15,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:51:14" (1/3) ... [2018-11-18 08:51:15,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d76f40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:51:15, skipping insertion in model container [2018-11-18 08:51:15,921 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:51:15,921 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:51:15" (2/3) ... [2018-11-18 08:51:15,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d76f40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:51:15, skipping insertion in model container [2018-11-18 08:51:15,921 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:51:15,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:15" (3/3) ... [2018-11-18 08:51:15,923 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-11-18 08:51:15,960 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:51:15,961 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:51:15,961 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:51:15,961 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:51:15,961 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:51:15,961 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:51:15,961 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:51:15,961 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:51:15,961 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:51:15,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-18 08:51:15,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 08:51:15,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:51:15,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:51:15,996 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:51:15,997 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 08:51:15,997 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:51:15,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-18 08:51:16,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-18 08:51:16,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:51:16,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:51:16,001 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:51:16,001 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 08:51:16,006 INFO L794 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 92#L151true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 30#L144true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 101#L159true main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 105#L258true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 70#L234true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 90#L470-3true [2018-11-18 08:51:16,007 INFO L796 eck$LassoCheckResult]: Loop: 90#L470-3true assume true; 100#L470-1true assume !false; 51#L471true assume test_~splverifierCounter~0 < 4; 18#L472true test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 31#L480true assume !(0 != test_~tmp~4); 27#L480-2true test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 68#L490true assume !(0 != test_~tmp___0~1); 55#L490-2true test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 102#L500true assume 0 != test_~tmp___2~0; 83#L506-2true assume { :begin_inline_timeShift } true; 84#L283true assume !(0 != ~pumpRunning~0); 95#L283-2true assume !(0 != ~systemActive~0); 38#L290-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 40#L89-1true __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 54#L435true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 43#L441-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 76#L300true assume { :end_inline_timeShift } true; 90#L470-3true [2018-11-18 08:51:16,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:51:16,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:51:16,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1626146885, now seen corresponding path program 1 times [2018-11-18 08:51:16,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:51:16,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,179 INFO L82 PathProgramCache]: Analyzing trace with hash 694465281, now seen corresponding path program 1 times [2018-11-18 08:51:16,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:51:16,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:16,296 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 08:51:16,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:51:16,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:51:16,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:51:16,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:51:16,363 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2018-11-18 08:51:16,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:51:16,476 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2018-11-18 08:51:16,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:51:16,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2018-11-18 08:51:16,479 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 08:51:16,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2018-11-18 08:51:16,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2018-11-18 08:51:16,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2018-11-18 08:51:16,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2018-11-18 08:51:16,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:51:16,486 INFO L705 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 08:51:16,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2018-11-18 08:51:16,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 08:51:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 08:51:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2018-11-18 08:51:16,511 INFO L728 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 08:51:16,511 INFO L608 BuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2018-11-18 08:51:16,512 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:51:16,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2018-11-18 08:51:16,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 08:51:16,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:51:16,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:51:16,513 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:51:16,513 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:51:16,514 INFO L794 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 237#L151 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 294#L144 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 295#L159 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 312#L258 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 278#L234 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 279#L470-3 [2018-11-18 08:51:16,514 INFO L796 eck$LassoCheckResult]: Loop: 279#L470-3 assume true; 308#L470-1 assume !false; 229#L471 assume test_~splverifierCounter~0 < 4; 230#L472 test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 265#L480 assume !(0 != test_~tmp~4); 282#L480-2 test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 276#L490 assume !(0 != test_~tmp___0~1); 239#L490-2 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 245#L500 assume 0 != test_~tmp___2~0; 296#L506-2 assume { :begin_inline_timeShift } true; 297#L283 assume !(0 != ~pumpRunning~0); 272#L283-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 288#L315 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 246#L307-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 241#L315-1 assume { :end_inline_processEnvironment } true; 292#L290-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 309#L89-1 __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 242#L435 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 243#L441-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 285#L300 assume { :end_inline_timeShift } true; 279#L470-3 [2018-11-18 08:51:16,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:51:16,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:51:16,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1128279929, now seen corresponding path program 1 times [2018-11-18 08:51:16,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,561 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:51:16,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1518689355, now seen corresponding path program 1 times [2018-11-18 08:51:16,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:51:16,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:51:16,651 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 08:51:16,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:51:16,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:51:16,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:51:16,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:51:16,702 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. cyclomatic complexity: 27 Second operand 5 states. [2018-11-18 08:51:16,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:51:16,824 INFO L93 Difference]: Finished difference Result 312 states and 401 transitions. [2018-11-18 08:51:16,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:51:16,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 401 transitions. [2018-11-18 08:51:16,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2018-11-18 08:51:16,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 401 transitions. [2018-11-18 08:51:16,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 312 [2018-11-18 08:51:16,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 312 [2018-11-18 08:51:16,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 401 transitions. [2018-11-18 08:51:16,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:51:16,836 INFO L705 BuchiCegarLoop]: Abstraction has 312 states and 401 transitions. [2018-11-18 08:51:16,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 401 transitions. [2018-11-18 08:51:16,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 175. [2018-11-18 08:51:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 08:51:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 221 transitions. [2018-11-18 08:51:16,848 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 221 transitions. [2018-11-18 08:51:16,848 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 221 transitions. [2018-11-18 08:51:16,848 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:51:16,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 221 transitions. [2018-11-18 08:51:16,850 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2018-11-18 08:51:16,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:51:16,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:51:16,850 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:51:16,850 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 08:51:16,851 INFO L794 eck$LassoCheckResult]: Stem: 705#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 44];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 80];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 117];#memory_int := #memory_int[#t~string22.base,3 + #t~string22.offset := 109];#memory_int := #memory_int[#t~string22.base,4 + #t~string22.offset := 112];#memory_int := #memory_int[#t~string22.base,5 + #t~string22.offset := 58];#memory_int := #memory_int[#t~string22.base,6 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 110];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 79];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 102];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 41];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 32];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 10];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 657#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 658#L151 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 716#L144 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 717#L159 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 751#L258 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 702#L234 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 703#L470-3 [2018-11-18 08:51:16,851 INFO L796 eck$LassoCheckResult]: Loop: 703#L470-3 assume true; 731#L470-1 assume !false; 652#L471 assume test_~splverifierCounter~0 < 4; 653#L472 test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; 685#L480 assume !(0 != test_~tmp~4); 704#L480-2 test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; 696#L490 assume !(0 != test_~tmp___0~1); 660#L490-2 test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; 665#L500 assume 0 != test_~tmp___2~0; 738#L506-2 assume { :begin_inline_timeShift } true; 788#L283 assume !(0 != ~pumpRunning~0); 786#L283-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 711#L315 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 666#L307-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 662#L315-1 assume { :end_inline_processEnvironment } true; 714#L290-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 734#L89-1 __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; 663#L435 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 664#L121 __utac_acc__Specification3_spec__1_#t~ret32 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret32;havoc __utac_acc__Specification3_spec__1_#t~ret32; 715#L441 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 743#L441-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 708#L300 assume { :end_inline_timeShift } true; 703#L470-3 [2018-11-18 08:51:16,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:51:16,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:51:16,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1944002054, now seen corresponding path program 1 times [2018-11-18 08:51:16,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,880 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:51:16,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:51:16,886 INFO L82 PathProgramCache]: Analyzing trace with hash -827159362, now seen corresponding path program 1 times [2018-11-18 08:51:16,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:51:16,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:51:16,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:51:16,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:51:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:51:49,644 WARN L180 SmtUtils]: Spent 32.65 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:52:10,423 WARN L180 SmtUtils]: Spent 20.78 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:52:10,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:52:10 BoogieIcfgContainer [2018-11-18 08:52:10,495 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:52:10,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:52:10,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:52:10,496 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:52:10,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:51:15" (3/4) ... [2018-11-18 08:52:10,498 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:52:10,536 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f8ba3d59-9cb3-4ae4-876d-18ee080a0327/bin-2019/uautomizer/witness.graphml [2018-11-18 08:52:10,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:52:10,537 INFO L168 Benchmark]: Toolchain (without parser) took 55577.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 956.6 MB in the beginning and 840.6 MB in the end (delta: 115.9 MB). Peak memory consumption was 338.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:10,538 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:52:10,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:10,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:10,539 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:10,539 INFO L168 Benchmark]: RCFGBuilder took 506.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:10,539 INFO L168 Benchmark]: BuchiAutomizer took 54577.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 845.9 MB in the end (delta: 226.7 MB). Peak memory consumption was 293.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:10,540 INFO L168 Benchmark]: Witness Printer took 40.94 ms. Allocated memory is still 1.3 GB. Free memory was 845.9 MB in the beginning and 840.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:10,541 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 506.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54577.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 845.9 MB in the end (delta: 226.7 MB). Peak memory consumption was 293.8 MB. Max. memory is 11.5 GB. * Witness Printer took 40.94 ms. Allocated memory is still 1.3 GB. Free memory was 845.9 MB in the beginning and 840.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 175 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 54.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 137 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 175 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 277 SDtfs, 761 SDslu, 479 SDs, 0 SdLazy, 91 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 470]: 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, retValue_acc=0, "Env(Water:%i"=11, retValue_acc=0, "OK"=12, "__utac__get_this_arg"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@187a5788=0, "i > 0 && i <= this->argsCount"=37, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38f963f0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c788da7=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@370cbc64=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, tmp___1=0, tmp___0=1, "Off"=20, ") "=39, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20cc6e2e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51392121=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dd2da3d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51b54e1f=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=27, \result=1, "\n"=0, "__utac__get_this_arg"=36, "libacc.c"=34, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, "On"=22, head=0, pumpRunning=0, tmp=1, "libacc.c"=24, \result=0, "libacc.c"=31, "__utac__get_this_argtype"=0, "Pump(System:"=0, "On"=0, retValue_acc=1, "__utac__get_this_argtype"=29, "__utac__get_this_arg"=33, ",Pump:"=19, "CRIT"=15, tmp___2=161, "\n"=38, tmp___0=0, "Off"=18, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, ")"=0, "OK"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62428ed9=0, \result=0, ")"=14, "__utac__get_this_argtype"=28, "i > 0 && i <= this->argsCount"=35, tmp=0, tmp___1=0, head=0, "Off"=0, ") "=0, "On"=17, "On"=0, "Off"=0, "Pump(System:"=23, ",Meth:"=16, ",Pump:"=0, "i > 0 && i <= this->argsCount"=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 470]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L394] FCALL "Pump(System:" [L398] FCALL "On" [L402] FCALL "Off" [L406] FCALL ",Pump:" [L410] FCALL "On" [L414] FCALL "Off" [L418] FCALL ") " [L420] FCALL "\n" [L822] FCALL "i > 0 && i <= this->argsCount" [L822] FCALL "libacc.c" [L823] FCALL "__utac__get_this_arg" [L829] FCALL "i > 0 && i <= this->argsCount" [L829] FCALL "libacc.c" [L830] FCALL "__utac__get_this_arg" [L868] FCALL "i > 0 && i <= this->argsCount" [L868] FCALL "libacc.c" [L869] FCALL "__utac__get_this_argtype" [L875] FCALL "i > 0 && i <= this->argsCount" [L875] FCALL "libacc.c" [L876] FCALL "__utac__get_this_argtype" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] RET return (retValue_acc); [L256] EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L243] CALL test() [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 Loop: [L470] COND TRUE 1 [L472] COND TRUE splverifierCounter < 4 [L478] tmp = __VERIFIER_nondet_int() [L480] COND FALSE !(\read(tmp)) [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) [L513] CALL timeShift() [L283] COND FALSE !(\read(pumpRunning)) [L290] COND TRUE \read(systemActive) [L292] CALL processEnvironment() [L312] int tmp ; [L315] COND FALSE !(\read(pumpRunning)) [L330] RET, FCALL processEnvironment__wrappee__methaneQuery() [L292] processEnvironment() [L298] CALL __utac_acc__Specification3_spec__1() [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; [L433] CALL, EXPR isMethaneLevelCritical() [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] RET return (retValue_acc); [L433] EXPR isMethaneLevelCritical() [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) [L439] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L439] EXPR getWaterLevel() [L439] tmp___0 = getWaterLevel() [L441] COND FALSE, RET !(tmp___0 == 2) [L298] RET __utac_acc__Specification3_spec__1() [L513] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...