./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product26_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_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/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 df71f9423988e08c5bf2798ccf3c66e61eefb63f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:21:29,046 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:21:29,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:21:29,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:21:29,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:21:29,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:21:29,057 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:21:29,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:21:29,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:21:29,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:21:29,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:21:29,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:21:29,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:21:29,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:21:29,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:21:29,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:21:29,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:21:29,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:21:29,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:21:29,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:21:29,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:21:29,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:21:29,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:21:29,071 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:21:29,072 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:21:29,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:21:29,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:21:29,074 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:21:29,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:21:29,075 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:21:29,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:21:29,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:21:29,076 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:21:29,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:21:29,076 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:21:29,077 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:21:29,077 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:21:29,088 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:21:29,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:21:29,089 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:21:29,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:21:29,089 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:21:29,089 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:21:29,089 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:21:29,090 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:21:29,090 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:21:29,090 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:21:29,090 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:21:29,090 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:21:29,090 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:21:29,090 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:21:29,091 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:21:29,091 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:21:29,091 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:21:29,091 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:21:29,091 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:21:29,091 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:21:29,091 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:21:29,092 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:21:29,092 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:21:29,092 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:21:29,092 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:21:29,092 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:21:29,092 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:21:29,092 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:21:29,093 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:21:29,093 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:21:29,093 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:21:29,094 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:21:29,094 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_54568b52-d48a-49e4-a1cf-8cbf9e53e150/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 -> df71f9423988e08c5bf2798ccf3c66e61eefb63f [2018-11-18 10:21:29,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:21:29,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:21:29,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:21:29,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:21:29,129 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:21:29,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:29,163 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/data/7b6f8a14c/fa56797740c14b3d9f47219778ebebec/FLAGf9b85bb6e [2018-11-18 10:21:29,495 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:21:29,495 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:29,505 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/data/7b6f8a14c/fa56797740c14b3d9f47219778ebebec/FLAGf9b85bb6e [2018-11-18 10:21:29,516 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/data/7b6f8a14c/fa56797740c14b3d9f47219778ebebec [2018-11-18 10:21:29,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:21:29,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:21:29,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:29,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:21:29,522 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:21:29,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e2c184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29, skipping insertion in model container [2018-11-18 10:21:29,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:21:29,560 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:21:29,748 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:29,756 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:21:29,847 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:29,862 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:21:29,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29 WrapperNode [2018-11-18 10:21:29,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:29,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:21:29,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:21:29,864 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:21:29,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:21:29,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:21:29,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:21:29,898 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:21:29,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... [2018-11-18 10:21:29,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:21:29,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:21:29,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:21:29,924 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:21:29,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/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 10:21:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:21:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:21:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:21:30,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:21:30,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:30 BoogieIcfgContainer [2018-11-18 10:21:30,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:21:30,447 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:21:30,447 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:21:30,450 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:21:30,451 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:21:30,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:21:29" (1/3) ... [2018-11-18 10:21:30,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62967855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:21:30, skipping insertion in model container [2018-11-18 10:21:30,454 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:21:30,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:29" (2/3) ... [2018-11-18 10:21:30,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62967855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:21:30, skipping insertion in model container [2018-11-18 10:21:30,454 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:21:30,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:30" (3/3) ... [2018-11-18 10:21:30,456 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:30,502 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:21:30,502 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:21:30,502 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:21:30,503 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:21:30,503 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:21:30,503 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:21:30,503 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:21:30,503 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:21:30,503 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:21:30,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-18 10:21:30,539 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 10:21:30,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:21:30,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:21:30,545 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:30,545 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 10:21:30,545 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:21:30,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-18 10:21:30,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 10:21:30,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:21:30,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:21:30,551 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:30,551 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 10:21:30,554 INFO L794 eck$LassoCheckResult]: Stem: 84#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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 44];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 80];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 117];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 109];#memory_int := #memory_int[#t~string55.base,4 + #t~string55.offset := 112];#memory_int := #memory_int[#t~string55.base,5 + #t~string55.offset := 58];#memory_int := #memory_int[#t~string55.base,6 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 41];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 32];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 10];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 72#L793true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15#L786true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 82#L801true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 46#L890true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 56#L865true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4#L910true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 29#L711-3true [2018-11-18 10:21:30,555 INFO L796 eck$LassoCheckResult]: Loop: 29#L711-3true assume true; 43#L711-1true assume !false; 114#L712true assume test_~splverifierCounter~0 < 4; 76#L713true test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 88#L721true assume !(0 != test_~tmp~6); 92#L721-2true test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 20#L731true assume !(0 != test_~tmp___0~1); 3#L731-2true test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 69#L741true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 96#L696true assume { :end_inline_startSystem } true; 75#L749-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 7#L632true __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 52#L920true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 67#L529true assume !(0 != ~pumpRunning~0); 71#L529-2true assume !(0 != ~systemActive~0); 110#L536-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; 31#L122true __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 51#L931true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 53#L931-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 34#L546true assume { :end_inline_timeShift } true; 29#L711-3true [2018-11-18 10:21:30,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:30,560 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:21:30,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:30,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:30,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:30,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:30,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:30,720 INFO L82 PathProgramCache]: Analyzing trace with hash -658226821, now seen corresponding path program 1 times [2018-11-18 10:21:30,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:30,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:30,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:30,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:30,759 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 10:21:30,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:30,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:21:30,763 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:21:30,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:21:30,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:21:30,773 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 3 states. [2018-11-18 10:21:30,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:30,803 INFO L93 Difference]: Finished difference Result 112 states and 141 transitions. [2018-11-18 10:21:30,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:21:30,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 141 transitions. [2018-11-18 10:21:30,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 10:21:30,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 102 states and 130 transitions. [2018-11-18 10:21:30,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 102 [2018-11-18 10:21:30,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2018-11-18 10:21:30,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 130 transitions. [2018-11-18 10:21:30,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:21:30,814 INFO L705 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2018-11-18 10:21:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 130 transitions. [2018-11-18 10:21:30,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-18 10:21:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-18 10:21:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 130 transitions. [2018-11-18 10:21:30,842 INFO L728 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2018-11-18 10:21:30,842 INFO L608 BuchiCegarLoop]: Abstraction has 102 states and 130 transitions. [2018-11-18 10:21:30,842 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:21:30,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 130 transitions. [2018-11-18 10:21:30,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-11-18 10:21:30,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:21:30,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:21:30,844 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:30,844 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:30,845 INFO L794 eck$LassoCheckResult]: Stem: 327#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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 44];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 80];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 117];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 109];#memory_int := #memory_int[#t~string55.base,4 + #t~string55.offset := 112];#memory_int := #memory_int[#t~string55.base,5 + #t~string55.offset := 58];#memory_int := #memory_int[#t~string55.base,6 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 41];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 32];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 10];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 252#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 253#L793 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 256#L786 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 257#L801 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 296#L890 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 297#L865 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 238#L910 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 239#L711-3 [2018-11-18 10:21:30,845 INFO L796 eck$LassoCheckResult]: Loop: 239#L711-3 assume true; 272#L711-1 assume !false; 293#L712 assume test_~splverifierCounter~0 < 4; 320#L713 test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 321#L721 assume !(0 != test_~tmp~6); 255#L721-2 test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 263#L731 assume !(0 != test_~tmp___0~1); 236#L731-2 test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 237#L741 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 315#L696 assume { :end_inline_startSystem } true; 318#L749-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 242#L632 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 243#L920 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 304#L529 assume !(0 != ~pumpRunning~0); 284#L529-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 317#L561 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 329#L553-1 assume { :end_inline_processEnvironment__wrappee__base } true; 326#L561-1 assume { :end_inline_processEnvironment } true; 335#L536-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; 275#L122 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 276#L931 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 303#L931-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 279#L546 assume { :end_inline_timeShift } true; 239#L711-3 [2018-11-18 10:21:30,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:30,845 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:21:30,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:30,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:30,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:30,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:30,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:30,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1952866527, now seen corresponding path program 1 times [2018-11-18 10:21:30,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:30,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:30,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,897 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:21:30,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:30,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1129200104, now seen corresponding path program 1 times [2018-11-18 10:21:30,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:30,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:30,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:30,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:31,022 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 10:21:31,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:31,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:21:31,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:21:31,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:21:31,136 INFO L87 Difference]: Start difference. First operand 102 states and 130 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-11-18 10:21:31,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:31,302 INFO L93 Difference]: Finished difference Result 293 states and 371 transitions. [2018-11-18 10:21:31,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:21:31,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 371 transitions. [2018-11-18 10:21:31,308 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 132 [2018-11-18 10:21:31,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 371 transitions. [2018-11-18 10:21:31,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 293 [2018-11-18 10:21:31,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 293 [2018-11-18 10:21:31,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 371 transitions. [2018-11-18 10:21:31,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:21:31,314 INFO L705 BuchiCegarLoop]: Abstraction has 293 states and 371 transitions. [2018-11-18 10:21:31,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 371 transitions. [2018-11-18 10:21:31,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 192. [2018-11-18 10:21:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-11-18 10:21:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 241 transitions. [2018-11-18 10:21:31,325 INFO L728 BuchiCegarLoop]: Abstraction has 192 states and 241 transitions. [2018-11-18 10:21:31,325 INFO L608 BuchiCegarLoop]: Abstraction has 192 states and 241 transitions. [2018-11-18 10:21:31,325 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:21:31,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states and 241 transitions. [2018-11-18 10:21:31,326 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 132 [2018-11-18 10:21:31,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:21:31,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:21:31,328 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:31,328 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] [2018-11-18 10:21:31,329 INFO L794 eck$LassoCheckResult]: Stem: 744#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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 44];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 80];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 117];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 109];#memory_int := #memory_int[#t~string55.base,4 + #t~string55.offset := 112];#memory_int := #memory_int[#t~string55.base,5 + #t~string55.offset := 58];#memory_int := #memory_int[#t~string55.base,6 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 41];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 32];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 10];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 665#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 666#L793 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 670#L786 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 671#L801 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 707#L890 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 708#L865 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 651#L910 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 652#L711-3 [2018-11-18 10:21:31,329 INFO L796 eck$LassoCheckResult]: Loop: 652#L711-3 assume true; 683#L711-1 assume !false; 704#L712 assume test_~splverifierCounter~0 < 4; 737#L713 test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 738#L721 assume !(0 != test_~tmp~6); 748#L721-2 test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 674#L731 assume !(0 != test_~tmp___0~1); 647#L731-2 test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 648#L741 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 731#L696 assume { :end_inline_startSystem } true; 734#L749-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 653#L632 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 654#L920 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 715#L529 assume !(0 != ~pumpRunning~0); 730#L529-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 733#L561 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 746#L553-1 assume { :end_inline_processEnvironment__wrappee__base } true; 743#L561-1 assume { :end_inline_processEnvironment } true; 755#L536-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;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; 686#L122 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 687#L931 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 657#L632-1 __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 658#L935 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 716#L931-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 690#L546 assume { :end_inline_timeShift } true; 652#L711-3 [2018-11-18 10:21:31,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:31,329 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:21:31,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:31,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:31,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:31,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:31,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:31,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:31,364 INFO L82 PathProgramCache]: Analyzing trace with hash 176877340, now seen corresponding path program 1 times [2018-11-18 10:21:31,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:31,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:31,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:31,365 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:21:31,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:31,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:31,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1446327379, now seen corresponding path program 1 times [2018-11-18 10:21:31,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:31,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:31,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:31,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:31,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:21:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:23:18,458 WARN L180 SmtUtils]: Spent 1.78 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 10:24:10,801 WARN L180 SmtUtils]: Spent 52.34 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 10:24:10,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:24:10 BoogieIcfgContainer [2018-11-18 10:24:10,864 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:24:10,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:24:10,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:24:10,864 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:24:10,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:30" (3/4) ... [2018-11-18 10:24:10,867 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:24:10,908 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54568b52-d48a-49e4-a1cf-8cbf9e53e150/bin-2019/uautomizer/witness.graphml [2018-11-18 10:24:10,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:24:10,909 INFO L168 Benchmark]: Toolchain (without parser) took 161389.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 953.1 MB in the beginning and 812.3 MB in the end (delta: 140.8 MB). Peak memory consumption was 357.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:10,909 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:24:10,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:10,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:24:10,910 INFO L168 Benchmark]: Boogie Preprocessor took 25.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:24:10,910 INFO L168 Benchmark]: RCFGBuilder took 522.99 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:10,910 INFO L168 Benchmark]: BuchiAutomizer took 160416.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 812.3 MB in the end (delta: 249.1 MB). Peak memory consumption was 318.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:10,911 INFO L168 Benchmark]: Witness Printer took 43.89 ms. Allocated memory is still 1.2 GB. Free memory is still 812.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:24:10,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 522.99 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 160416.78 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 812.3 MB in the end (delta: 249.1 MB). Peak memory consumption was 318.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.89 ms. Allocated memory is still 1.2 GB. Free memory is still 812.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5 locations. The remainder module has 192 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 160.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 160.0s. 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, 101 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 192 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 315 SDtfs, 557 SDslu, 399 SDs, 0 SdLazy, 83 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 711]: 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:"=36, "Env(Water:%i"=11, "\n"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "OK"=15, ") "=0, "\n"=40, "libacc.c"=26, "__utac__get_this_argtype"=0, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=24, retValue_acc=1, tmp=1, "libacc.c"=29, "__utac__get_this_arg"=23, tmp=0, tmp___1=0, "libacc.c"=18, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=27, cleanupTimeShifts=4, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=20, "__utac__get_this_argtype"=31, \result=0, "Off"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24f7586f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@778ceaaf=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "Pump(System:"=0, ",Pump:"=0, "On"=0, retValue_acc=0, "Off"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp___0=0, "Pump(System:"=33, "On"=37, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d0b8187=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cf294d=0, tmp=1, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@221dd536=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43853e2=153, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cbab523=0, ") "=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ad2b12e=0, "CRIT"=14, tmp___2=153, "__utac__get_this_arg"=19, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "Off"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=16, "Off"=38, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1df248c1=0, head=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=22, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=12, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=28, retValue_acc=0, "On"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 711]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L433] FCALL "i > 0 && i <= this->argsCount" [L433] FCALL "libacc.c" [L434] FCALL "__utac__get_this_arg" [L440] FCALL "i > 0 && i <= this->argsCount" [L440] FCALL "libacc.c" [L441] FCALL "__utac__get_this_arg" [L479] FCALL "i > 0 && i <= this->argsCount" [L479] FCALL "libacc.c" [L480] FCALL "__utac__get_this_argtype" [L486] FCALL "i > 0 && i <= this->argsCount" [L486] FCALL "libacc.c" [L487] FCALL "__utac__get_this_argtype" [L641] FCALL "Pump(System:" [L645] FCALL "On" [L649] FCALL "Off" [L653] FCALL ",Pump:" [L657] FCALL "On" [L661] FCALL "Off" [L665] FCALL ") " [L667] FCALL "\n" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L517] int pumpRunning = 0; [L518] int systemActive = 1; [L806] int cleanupTimeShifts = 4; [L904] int switchedOnBeforeTS ; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L881] int retValue_acc ; [L882] int tmp ; [L886] FCALL select_helpers() [L887] FCALL select_features() [L888] CALL, EXPR valid_product() [L797] int retValue_acc ; [L800] retValue_acc = 1 [L801] RET return (retValue_acc); [L888] EXPR valid_product() [L888] tmp = valid_product() [L890] COND TRUE \read(tmp) [L892] FCALL setup() [L893] CALL runTest() [L874] CALL __utac_acc__Specification5_spec__1() [L909] RET switchedOnBeforeTS = 0 [L874] __utac_acc__Specification5_spec__1() [L875] CALL test() [L702] int splverifierCounter ; [L703] int tmp ; [L704] int tmp___0 ; [L705] int tmp___1 ; [L706] int tmp___2 ; [L709] splverifierCounter = 0 Loop: [L711] COND TRUE 1 [L713] COND TRUE splverifierCounter < 4 [L719] tmp = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp)) [L729] tmp___0 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___0)) [L739] tmp___2 = __VERIFIER_nondet_int() [L741] COND TRUE \read(tmp___2) [L743] CALL startSystem() [L695] RET systemActive = 1 [L743] startSystem() [L756] CALL timeShift() [L527] CALL __utac_acc__Specification5_spec__2() [L918] CALL, EXPR isPumpRunning() [L628] int retValue_acc ; [L631] retValue_acc = pumpRunning [L632] RET return (retValue_acc); [L918] EXPR isPumpRunning() [L918] RET switchedOnBeforeTS = isPumpRunning() [L527] __utac_acc__Specification5_spec__2() [L529] COND FALSE !(\read(pumpRunning)) [L536] COND TRUE \read(systemActive) [L538] CALL processEnvironment() [L558] int tmp ; [L561] COND FALSE !(\read(pumpRunning)) [L576] RET, FCALL processEnvironment__wrappee__base() [L538] processEnvironment() [L544] CALL __utac_acc__Specification5_spec__3() [L924] int tmp ; [L925] int tmp___0 ; [L929] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] RET return (retValue_acc); [L929] EXPR getWaterLevel() [L929] tmp = getWaterLevel() [L931] COND TRUE tmp != 2 [L933] CALL, EXPR isPumpRunning() [L628] int retValue_acc ; [L631] retValue_acc = pumpRunning [L632] RET return (retValue_acc); [L933] EXPR isPumpRunning() [L933] tmp___0 = isPumpRunning() [L935] COND FALSE, RET !(\read(tmp___0)) [L544] RET __utac_acc__Specification5_spec__3() [L756] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...