./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product52_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_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/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 ac98b61700c421642ba0cea32b1043bdcac0ece8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:01:09,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:01:09,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:01:09,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:01:09,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:01:09,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:01:09,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:01:09,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:01:09,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:01:09,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:01:09,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:01:09,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:01:09,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:01:09,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:01:09,556 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:01:09,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:01:09,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:01:09,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:01:09,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:01:09,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:01:09,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:01:09,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:01:09,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:01:09,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:01:09,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:01:09,565 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:01:09,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:01:09,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:01:09,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:01:09,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:01:09,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:01:09,568 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:01:09,568 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:01:09,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:01:09,569 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:01:09,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:01:09,570 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:01:09,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:01:09,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:01:09,582 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:01:09,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:01:09,583 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:01:09,583 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:01:09,583 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:01:09,583 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:01:09,583 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:01:09,583 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:01:09,583 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:01:09,584 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:01:09,584 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:01:09,584 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:01:09,584 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:01:09,584 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:01:09,584 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:01:09,584 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:01:09,584 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:01:09,585 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:01:09,585 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:01:09,585 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:01:09,585 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:01:09,585 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:01:09,585 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:01:09,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:01:09,586 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:01:09,586 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:01:09,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:01:09,586 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:01:09,586 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:01:09,587 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:01:09,587 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_a5b479d1-2472-4348-a900-9350bb470fdf/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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2018-11-18 16:01:09,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:01:09,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:01:09,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:01:09,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:01:09,624 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:01:09,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:09,672 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/data/4e6ec4c39/e03b473b6cc848f8ae2eec8ff0f6f9ac/FLAGd2145d7e8 [2018-11-18 16:01:10,024 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:01:10,025 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:10,035 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/data/4e6ec4c39/e03b473b6cc848f8ae2eec8ff0f6f9ac/FLAGd2145d7e8 [2018-11-18 16:01:10,044 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/data/4e6ec4c39/e03b473b6cc848f8ae2eec8ff0f6f9ac [2018-11-18 16:01:10,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:01:10,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:01:10,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:10,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:01:10,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:01:10,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10, skipping insertion in model container [2018-11-18 16:01:10,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:01:10,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:01:10,286 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:10,294 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:01:10,393 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:10,409 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:01:10,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10 WrapperNode [2018-11-18 16:01:10,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:10,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:10,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:01:10,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:01:10,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:10,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:01:10,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:01:10,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:01:10,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:01:10,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:01:10,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:01:10,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:01:10,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/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 16:01:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:01:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:01:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:01:11,090 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:01:11,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:11 BoogieIcfgContainer [2018-11-18 16:01:11,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:01:11,092 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:01:11,092 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:01:11,094 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:01:11,094 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:01:11,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:01:10" (1/3) ... [2018-11-18 16:01:11,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e0b371e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:01:11, skipping insertion in model container [2018-11-18 16:01:11,096 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:01:11,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (2/3) ... [2018-11-18 16:01:11,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e0b371e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:01:11, skipping insertion in model container [2018-11-18 16:01:11,096 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:01:11,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:11" (3/3) ... [2018-11-18 16:01:11,098 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:11,130 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:01:11,130 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:01:11,130 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:01:11,130 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:01:11,130 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:01:11,131 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:01:11,131 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:01:11,131 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:01:11,131 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:01:11,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 16:01:11,163 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2018-11-18 16:01:11,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:11,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:11,168 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:11,168 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:11,168 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:01:11,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 16:01:11,173 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2018-11-18 16:01:11,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:11,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:11,174 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:11,174 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:11,177 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~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~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);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~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 14#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~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 108#L936true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 42#L929true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 135#L944true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; 116#L900true assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 49#L874true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 152#L390-3true [2018-11-18 16:01:11,178 INFO L796 eck$LassoCheckResult]: Loop: 152#L390-3true assume true; 169#L390-1true assume !false; 110#L391true assume test_~splverifierCounter~0 < 4; 55#L392true test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 81#L400true assume !(0 != test_~tmp~4); 69#L400-2true test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 138#L410true assume !(0 != test_~tmp___0~2); 120#L410-2true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 3#L420true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; 39#L428true assume !(0 != test_~tmp___1~0); 50#L428-2true assume { :begin_inline_timeShift } true; 70#L166true assume !(0 != ~pumpRunning~0); 83#L166-2true assume !(0 != ~systemActive~0); 146#L173-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; 154#L123true __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 134#L966true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 137#L966-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 60#L183true assume { :end_inline_timeShift } true; 152#L390-3true [2018-11-18 16:01:11,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:11,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:01:11,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:11,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:11,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:11,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:11,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:11,333 INFO L82 PathProgramCache]: Analyzing trace with hash 19208225, now seen corresponding path program 1 times [2018-11-18 16:01:11,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:11,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:11,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:11,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:11,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:11,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1201849573, now seen corresponding path program 1 times [2018-11-18 16:01:11,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:11,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:11,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:11,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:11,484 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 16:01:11,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:11,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:01:11,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:01:11,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:01:11,559 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 6 states. [2018-11-18 16:01:11,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:11,757 INFO L93 Difference]: Finished difference Result 548 states and 718 transitions. [2018-11-18 16:01:11,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:01:11,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 548 states and 718 transitions. [2018-11-18 16:01:11,769 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 360 [2018-11-18 16:01:11,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 548 states to 508 states and 678 transitions. [2018-11-18 16:01:11,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 508 [2018-11-18 16:01:11,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 508 [2018-11-18 16:01:11,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 508 states and 678 transitions. [2018-11-18 16:01:11,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:01:11,783 INFO L705 BuchiCegarLoop]: Abstraction has 508 states and 678 transitions. [2018-11-18 16:01:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states and 678 transitions. [2018-11-18 16:01:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 210. [2018-11-18 16:01:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 16:01:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 279 transitions. [2018-11-18 16:01:11,815 INFO L728 BuchiCegarLoop]: Abstraction has 210 states and 279 transitions. [2018-11-18 16:01:11,815 INFO L608 BuchiCegarLoop]: Abstraction has 210 states and 279 transitions. [2018-11-18 16:01:11,816 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:01:11,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 279 transitions. [2018-11-18 16:01:11,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2018-11-18 16:01:11,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:11,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:11,818 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:11,818 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 16:01:11,819 INFO L794 eck$LassoCheckResult]: Stem: 881#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~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);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~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 755#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 756#L936 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 798#L929 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 799#L944 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; 873#L900 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 807#L874 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 808#L390-3 [2018-11-18 16:01:11,819 INFO L796 eck$LassoCheckResult]: Loop: 808#L390-3 assume true; 889#L390-1 assume !false; 868#L391 assume test_~splverifierCounter~0 < 4; 817#L392 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 818#L400 assume !(0 != test_~tmp~4); 835#L400-2 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 836#L410 assume !(0 != test_~tmp___0~2); 850#L410-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 735#L420 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 736#L375 assume { :end_inline_startSystem } true; 794#L428-2 assume { :begin_inline_timeShift } true; 809#L166 assume !(0 != ~pumpRunning~0); 837#L166-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 844#L224 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 845#L198-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 860#L190-3 assume { :end_inline_processEnvironment__wrappee__base } true; 861#L198-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 840#L224-1 assume { :end_inline_processEnvironment } true; 841#L173-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; 887#L123 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 884#L966 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 839#L966-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 827#L183 assume { :end_inline_timeShift } true; 808#L390-3 [2018-11-18 16:01:11,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:11,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:01:11,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:11,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:11,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:11,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:11,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:11,861 INFO L82 PathProgramCache]: Analyzing trace with hash 144689410, now seen corresponding path program 1 times [2018-11-18 16:01:11,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:11,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:11,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,862 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:01:11,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:11,883 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 16:01:11,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:01:11,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:01:11,884 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:01:11,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:01:11,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:01:11,884 INFO L87 Difference]: Start difference. First operand 210 states and 279 transitions. cyclomatic complexity: 72 Second operand 3 states. [2018-11-18 16:01:11,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:01:11,995 INFO L93 Difference]: Finished difference Result 263 states and 333 transitions. [2018-11-18 16:01:11,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:01:11,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 333 transitions. [2018-11-18 16:01:11,999 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 191 [2018-11-18 16:01:12,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 263 states and 333 transitions. [2018-11-18 16:01:12,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2018-11-18 16:01:12,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2018-11-18 16:01:12,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 333 transitions. [2018-11-18 16:01:12,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:01:12,002 INFO L705 BuchiCegarLoop]: Abstraction has 263 states and 333 transitions. [2018-11-18 16:01:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 333 transitions. [2018-11-18 16:01:12,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-11-18 16:01:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-11-18 16:01:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 333 transitions. [2018-11-18 16:01:12,011 INFO L728 BuchiCegarLoop]: Abstraction has 263 states and 333 transitions. [2018-11-18 16:01:12,012 INFO L608 BuchiCegarLoop]: Abstraction has 263 states and 333 transitions. [2018-11-18 16:01:12,012 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:01:12,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 333 transitions. [2018-11-18 16:01:12,014 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 191 [2018-11-18 16:01:12,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:01:12,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:01:12,015 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:12,015 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:01:12,015 INFO L794 eck$LassoCheckResult]: Stem: 1360#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~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);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~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1236#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~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 1237#L936 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1276#L929 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1277#L944 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; 1352#L900 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 1285#L874 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1286#L390-3 [2018-11-18 16:01:12,015 INFO L796 eck$LassoCheckResult]: Loop: 1286#L390-3 assume true; 1370#L390-1 assume !false; 1344#L391 assume test_~splverifierCounter~0 < 4; 1345#L392 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 1455#L400 assume !(0 != test_~tmp~4); 1453#L400-2 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 1451#L410 assume !(0 != test_~tmp___0~2); 1449#L410-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 1214#L420 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet34;havoc test_#t~nondet34; 1216#L428 assume !(0 != test_~tmp___1~0); 1272#L428-2 assume { :begin_inline_timeShift } true; 1284#L166 assume !(0 != ~pumpRunning~0); 1313#L166-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1320#L224 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1321#L198-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1256#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1257#L136-1 isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; 1265#L326-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1266#L326-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 1226#L332-1 processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; 1227#L202-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1275#L190-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1334#L198-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1316#L224-1 assume { :end_inline_processEnvironment } true; 1317#L173-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; 1366#L123 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 1362#L966 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 1315#L966-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1303#L183 assume { :end_inline_timeShift } true; 1286#L390-3 [2018-11-18 16:01:12,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:12,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:01:12,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:12,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:12,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:12,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:12,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:12,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:12,055 INFO L82 PathProgramCache]: Analyzing trace with hash 141095980, now seen corresponding path program 1 times [2018-11-18 16:01:12,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:12,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:12,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:12,056 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:01:12,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:12,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:12,067 INFO L82 PathProgramCache]: Analyzing trace with hash 15361256, now seen corresponding path program 1 times [2018-11-18 16:01:12,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:01:12,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:01:12,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:12,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:01:12,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:01:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:12,279 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-11-18 16:01:48,003 WARN L180 SmtUtils]: Spent 35.68 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:02:06,460 WARN L180 SmtUtils]: Spent 18.46 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:02:06,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:02:06 BoogieIcfgContainer [2018-11-18 16:02:06,531 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:02:06,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:02:06,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:02:06,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:02:06,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:11" (3/4) ... [2018-11-18 16:02:06,535 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:02:06,585 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a5b479d1-2472-4348-a900-9350bb470fdf/bin-2019/uautomizer/witness.graphml [2018-11-18 16:02:06,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:02:06,586 INFO L168 Benchmark]: Toolchain (without parser) took 56539.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 957.5 MB in the beginning and 817.7 MB in the end (delta: 139.8 MB). Peak memory consumption was 368.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:06,586 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:02:06,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:06,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.46 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:06,587 INFO L168 Benchmark]: Boogie Preprocessor took 28.98 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 16:02:06,588 INFO L168 Benchmark]: RCFGBuilder took 616.61 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:06,588 INFO L168 Benchmark]: BuchiAutomizer took 55439.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 817.7 MB in the end (delta: 244.6 MB). Peak memory consumption was 315.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:02:06,588 INFO L168 Benchmark]: Witness Printer took 54.12 ms. Allocated memory is still 1.3 GB. Free memory is still 817.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:02:06,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.46 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.98 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 616.61 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 55439.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 817.7 MB in the end (delta: 244.6 MB). Peak memory consumption was 315.9 MB. Max. memory is 11.5 GB. * Witness Printer took 54.12 ms. Allocated memory is still 1.3 GB. Free memory is still 817.7 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 6 locations. The remainder module has 263 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 55.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 54.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 298 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 263 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 419 SDtfs, 1166 SDslu, 1422 SDs, 0 SdLazy, 83 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 390]: 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, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=14, "Env(Water:%i"=33, "libacc.c"=0, "OK"=28, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aeb5c51=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@624ca9a9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e35dd1f=0, "__utac__get_this_argtype"=35, retValue_acc=1, "i > 0 && i <= this->argsCount"=12, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57c7ff63=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=0, retValue_acc=0, tmp=0, ",Pump:"=22, "\n"=17, cleanupTimeShifts=4, "Pump(System:"=26, "i > 0 && i <= this->argsCount"=16, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eaba294=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d651318=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "Pump(System:"=0, "__utac__get_this_arg"=11, \result=0, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, "Off"=23, head=0, pumpRunning=0, "libacc.c"=8, \result=0, "libacc.c"=38, retValue_acc=1, "On"=0, tmp=1, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6715d536=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4956375d=0, "__utac__get_this_argtype"=39, "On"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7977746a=0, tmp=1, "CRIT"=29, tmp___2=0, tmp___0=0, tmp=1, ") "=18, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e38ed80=0, tmp=0, head=0, ") "=0, "\n"=0, "Off"=19, "Off"=0, ",Pump:"=0, "On"=24, ",Meth:"=31, "On"=0, "i > 0 && i <= this->argsCount"=36, "libacc.c"=15, "i > 0 && i <= this->argsCount"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 390]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L100] FCALL "Env(Water:%i" [L101] FCALL ",Meth:" [L105] FCALL "CRIT" [L109] FCALL "OK" [L113] FCALL ")" [L286] FCALL "Pump(System:" [L290] FCALL "On" [L294] FCALL "Off" [L298] FCALL ",Pump:" [L302] FCALL "On" [L306] FCALL "Off" [L310] FCALL ") " [L312] FCALL "\n" [L746] FCALL "i > 0 && i <= this->argsCount" [L746] FCALL "libacc.c" [L747] FCALL "__utac__get_this_arg" [L753] FCALL "i > 0 && i <= this->argsCount" [L753] FCALL "libacc.c" [L754] FCALL "__utac__get_this_arg" [L792] FCALL "i > 0 && i <= this->argsCount" [L792] FCALL "libacc.c" [L793] FCALL "__utac__get_this_argtype" [L799] FCALL "i > 0 && i <= this->argsCount" [L799] FCALL "libacc.c" [L800] FCALL "__utac__get_this_argtype" [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L815] int cleanupTimeShifts = 4; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L940] int retValue_acc ; [L943] retValue_acc = 1 [L944] RET return (retValue_acc); [L898] EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L882] CALL test() [L381] int splverifierCounter ; [L382] int tmp ; [L383] int tmp___0 ; [L384] int tmp___1 ; [L385] int tmp___2 ; [L388] splverifierCounter = 0 Loop: [L390] COND TRUE 1 [L392] COND TRUE splverifierCounter < 4 [L398] tmp = __VERIFIER_nondet_int() [L400] COND FALSE !(\read(tmp)) [L408] tmp___0 = __VERIFIER_nondet_int() [L410] COND FALSE !(\read(tmp___0)) [L418] tmp___2 = __VERIFIER_nondet_int() [L420] COND FALSE !(\read(tmp___2)) [L426] tmp___1 = __VERIFIER_nondet_int() [L428] COND FALSE !(\read(tmp___1)) [L437] CALL timeShift() [L166] COND FALSE !(\read(pumpRunning)) [L173] COND TRUE \read(systemActive) [L175] CALL processEnvironment() [L221] int tmp ; [L224] COND FALSE !(\read(pumpRunning)) [L239] CALL processEnvironment__wrappee__highWaterSensor() [L195] int tmp ; [L198] COND TRUE ! pumpRunning [L200] CALL, EXPR isHighWaterLevel() [L318] int retValue_acc ; [L319] int tmp ; [L320] int tmp___0 ; [L324] CALL, EXPR isHighWaterSensorDry() [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] RET return (retValue_acc); [L324] EXPR isHighWaterSensorDry() [L324] tmp = isHighWaterSensorDry() [L326] COND TRUE \read(tmp) [L327] tmp___0 = 0 [L331] retValue_acc = tmp___0 [L332] RET return (retValue_acc); [L200] EXPR isHighWaterLevel() [L200] tmp = isHighWaterLevel() [L202] COND FALSE !(\read(tmp)) [L208] RET, FCALL processEnvironment__wrappee__base() [L239] RET processEnvironment__wrappee__highWaterSensor() [L175] processEnvironment() [L181] CALL __utac_acc__Specification4_spec__1() [L959] int tmp ; [L960] int tmp___0 ; [L964] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] RET return (retValue_acc); [L964] EXPR getWaterLevel() [L964] tmp = getWaterLevel() [L966] COND FALSE, RET !(tmp == 0) [L181] RET __utac_acc__Specification4_spec__1() [L437] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...