./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_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_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/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 74af0999cbe879befd0a6903faa6dabc12f5915f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:36:10,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:36:10,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:36:10,482 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:36:10,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:36:10,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:36:10,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:36:10,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:36:10,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:36:10,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:36:10,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:36:10,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:36:10,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:36:10,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:36:10,489 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:36:10,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:36:10,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:36:10,492 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:36:10,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:36:10,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:36:10,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:36:10,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:36:10,498 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:36:10,498 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:36:10,498 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:36:10,499 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:36:10,500 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:36:10,501 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:36:10,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:36:10,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:36:10,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:36:10,503 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:36:10,503 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:36:10,503 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:36:10,504 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:36:10,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:36:10,505 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:36:10,513 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:36:10,513 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:36:10,514 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:36:10,514 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:36:10,515 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:36:10,515 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:36:10,515 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:36:10,515 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:36:10,515 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:36:10,515 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:36:10,515 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:36:10,516 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:36:10,516 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:36:10,516 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:36:10,516 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:36:10,516 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:36:10,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:36:10,518 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:36:10,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:36:10,518 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:36:10,518 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:36:10,518 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:36:10,518 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:36:10,519 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:36:10,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:36:10,519 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:36:10,519 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:36:10,519 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:36:10,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:36:10,519 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:36:10,519 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:36:10,520 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:36:10,520 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_1b2f29a1-dd80-4db1-8e34-668d1a618819/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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-11-18 11:36:10,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:36:10,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:36:10,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:36:10,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:36:10,555 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:36:10,555 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:10,596 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/data/6fa35262b/5680cb9b96b44826ad78eadd71f4587d/FLAGbfc76b2d4 [2018-11-18 11:36:11,014 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:36:11,014 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:11,021 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/data/6fa35262b/5680cb9b96b44826ad78eadd71f4587d/FLAGbfc76b2d4 [2018-11-18 11:36:11,029 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/data/6fa35262b/5680cb9b96b44826ad78eadd71f4587d [2018-11-18 11:36:11,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:36:11,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:36:11,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:36:11,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:36:11,035 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:36:11,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11, skipping insertion in model container [2018-11-18 11:36:11,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:36:11,074 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:36:11,252 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:36:11,261 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:36:11,355 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:36:11,377 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:36:11,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11 WrapperNode [2018-11-18 11:36:11,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:36:11,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:36:11,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:36:11,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:36:11,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:36:11,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:36:11,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:36:11,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:36:11,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... [2018-11-18 11:36:11,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:36:11,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:36:11,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:36:11,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:36:11,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:36:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:36:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:36:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:36:12,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:36:12,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:12 BoogieIcfgContainer [2018-11-18 11:36:12,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:36:12,283 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:36:12,284 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:36:12,286 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:36:12,286 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:36:12,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:36:11" (1/3) ... [2018-11-18 11:36:12,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@348e7fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:36:12, skipping insertion in model container [2018-11-18 11:36:12,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:36:12,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:36:11" (2/3) ... [2018-11-18 11:36:12,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@348e7fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:36:12, skipping insertion in model container [2018-11-18 11:36:12,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:36:12,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:12" (3/3) ... [2018-11-18 11:36:12,289 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-18 11:36:12,320 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:36:12,320 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:36:12,320 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:36:12,321 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:36:12,321 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:36:12,321 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:36:12,321 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:36:12,321 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:36:12,321 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:36:12,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 276 states. [2018-11-18 11:36:12,354 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2018-11-18 11:36:12,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:36:12,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:36:12,360 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:12,360 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:12,360 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:36:12,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 276 states. [2018-11-18 11:36:12,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2018-11-18 11:36:12,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:36:12,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:36:12,366 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:12,366 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:12,369 INFO L794 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.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(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~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~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 260#L982true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 199#L975true 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; 150#L990true main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 117#L842true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 78#L815true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 266#L723true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 219#L63-3true [2018-11-18 11:36:12,370 INFO L796 eck$LassoCheckResult]: Loop: 219#L63-3true assume true; 227#L63-1true assume !false; 53#L64true assume test_~splverifierCounter~0 < 4; 17#L65true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 166#L73true assume !(0 != test_~tmp~0); 164#L73-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 194#L83true assume !(0 != test_~tmp___0~0); 192#L83-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 112#L93true assume 0 != test_~tmp___2~0; 97#L99-2true assume { :begin_inline_timeShift } true; 87#L501true assume !(0 != ~pumpRunning~0); 69#L501-2true assume !(0 != ~systemActive~0); 178#L508-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 214#L900-1true __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 265#L734true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 269#L734-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 197#L518true assume { :end_inline_timeShift } true; 219#L63-3true [2018-11-18 11:36:12,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:12,373 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 11:36:12,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:12,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:12,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:12,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:12,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:12,535 INFO L82 PathProgramCache]: Analyzing trace with hash -145724933, now seen corresponding path program 1 times [2018-11-18 11:36:12,536 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:12,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:12,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:12,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:12,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:12,546 INFO L82 PathProgramCache]: Analyzing trace with hash -881666510, now seen corresponding path program 1 times [2018-11-18 11:36:12,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:12,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:12,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:12,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:12,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:12,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:36:12,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:36:12,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:36:12,747 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 6 states. [2018-11-18 11:36:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:12,875 INFO L93 Difference]: Finished difference Result 273 states and 364 transitions. [2018-11-18 11:36:12,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:36:12,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 273 states and 364 transitions. [2018-11-18 11:36:12,881 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2018-11-18 11:36:12,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 273 states to 263 states and 354 transitions. [2018-11-18 11:36:12,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2018-11-18 11:36:12,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2018-11-18 11:36:12,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 354 transitions. [2018-11-18 11:36:12,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:36:12,891 INFO L705 BuchiCegarLoop]: Abstraction has 263 states and 354 transitions. [2018-11-18 11:36:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 354 transitions. [2018-11-18 11:36:12,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-11-18 11:36:12,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-11-18 11:36:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 354 transitions. [2018-11-18 11:36:12,925 INFO L728 BuchiCegarLoop]: Abstraction has 263 states and 354 transitions. [2018-11-18 11:36:12,925 INFO L608 BuchiCegarLoop]: Abstraction has 263 states and 354 transitions. [2018-11-18 11:36:12,925 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:36:12,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 354 transitions. [2018-11-18 11:36:12,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2018-11-18 11:36:12,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:36:12,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:36:12,928 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:12,928 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 11:36:12,929 INFO L794 eck$LassoCheckResult]: Stem: 711#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.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(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 586#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 587#L982 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 810#L975 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; 756#L990 main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 726#L842 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 690#L815 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 691#L723 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 808#L63-3 [2018-11-18 11:36:12,929 INFO L796 eck$LassoCheckResult]: Loop: 808#L63-3 assume true; 819#L63-1 assume !false; 653#L64 assume test_~splverifierCounter~0 < 4; 594#L65 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 595#L73 assume !(0 != test_~tmp~0); 710#L73-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 772#L83 assume !(0 != test_~tmp___0~0); 804#L83-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 724#L93 assume 0 != test_~tmp___2~0; 713#L99-2 assume { :begin_inline_timeShift } true; 703#L501 assume !(0 != ~pumpRunning~0); 593#L501-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 682#L585 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret42, isMethaneAlarm_~retValue_acc~3;havoc isMethaneAlarm_~retValue_acc~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 779#L900 isMethaneAlarm_#t~ret42 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3 := isMethaneAlarm_#t~ret42;havoc isMethaneAlarm_#t~ret42;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~3; 800#L629 processEnvironment_#t~ret41 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~6 := processEnvironment_#t~ret41;havoc processEnvironment_#t~ret41; 695#L589 assume 0 != processEnvironment_~tmp~6;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 696#L619 assume { :end_inline_deactivatePump } true; 783#L585-1 assume { :end_inline_processEnvironment } true; 784#L508-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 792#L900-1 __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 818#L734 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 676#L734-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 807#L518 assume { :end_inline_timeShift } true; 808#L63-3 [2018-11-18 11:36:12,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:12,932 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 11:36:12,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:12,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:12,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:12,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:12,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:12,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1208405532, now seen corresponding path program 1 times [2018-11-18 11:36:12,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:12,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:12,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,976 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:36:12,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:12,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:36:12,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:36:12,998 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:36:12,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:36:12,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:36:12,999 INFO L87 Difference]: Start difference. First operand 263 states and 354 transitions. cyclomatic complexity: 93 Second operand 3 states. [2018-11-18 11:36:13,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:36:13,140 INFO L93 Difference]: Finished difference Result 278 states and 355 transitions. [2018-11-18 11:36:13,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:36:13,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 278 states and 355 transitions. [2018-11-18 11:36:13,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 192 [2018-11-18 11:36:13,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 278 states to 278 states and 355 transitions. [2018-11-18 11:36:13,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 278 [2018-11-18 11:36:13,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 278 [2018-11-18 11:36:13,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 278 states and 355 transitions. [2018-11-18 11:36:13,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:36:13,147 INFO L705 BuchiCegarLoop]: Abstraction has 278 states and 355 transitions. [2018-11-18 11:36:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states and 355 transitions. [2018-11-18 11:36:13,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-18 11:36:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-18 11:36:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 355 transitions. [2018-11-18 11:36:13,156 INFO L728 BuchiCegarLoop]: Abstraction has 278 states and 355 transitions. [2018-11-18 11:36:13,156 INFO L608 BuchiCegarLoop]: Abstraction has 278 states and 355 transitions. [2018-11-18 11:36:13,156 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:36:13,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 278 states and 355 transitions. [2018-11-18 11:36:13,158 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 192 [2018-11-18 11:36:13,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:36:13,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:36:13,159 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:36:13,159 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, 1] [2018-11-18 11:36:13,160 INFO L794 eck$LassoCheckResult]: Stem: 1239#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.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(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1131#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1132#L982 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1308#L975 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; 1271#L990 main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 1250#L842 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1219#L815 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1220#L723 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1306#L63-3 [2018-11-18 11:36:13,160 INFO L796 eck$LassoCheckResult]: Loop: 1306#L63-3 assume true; 1318#L63-1 assume !false; 1184#L64 assume test_~splverifierCounter~0 < 4; 1185#L65 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1390#L73 assume !(0 != test_~tmp~0); 1388#L73-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1386#L83 assume !(0 != test_~tmp___0~0); 1384#L83-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1382#L93 assume 0 != test_~tmp___2~0; 1381#L99-2 assume { :begin_inline_timeShift } true; 1231#L501 assume !(0 != ~pumpRunning~0); 1210#L501-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1211#L585 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 1284#L559-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 1273#L533-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 1133#L940-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 1134#L945-3 isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; 1167#L687-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 1262#L687-11 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 1256#L693-3 processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; 1192#L537-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 1194#L525-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1334#L533-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1377#L559-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1331#L585-1 assume { :end_inline_processEnvironment } true; 1376#L508-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 1375#L900-1 __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 1373#L734 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 1341#L734-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1305#L518 assume { :end_inline_timeShift } true; 1306#L63-3 [2018-11-18 11:36:13,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:13,160 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 11:36:13,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:13,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:13,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:13,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:13,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:13,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:13,194 INFO L82 PathProgramCache]: Analyzing trace with hash -993874910, now seen corresponding path program 1 times [2018-11-18 11:36:13,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:13,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:13,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:13,196 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:36:13,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:13,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:36:13,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1335234891, now seen corresponding path program 1 times [2018-11-18 11:36:13,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:36:13,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:36:13,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:13,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:36:13,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:36:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:36:13,386 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-11-18 11:36:46,934 WARN L180 SmtUtils]: Spent 33.50 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 11:37:08,587 WARN L180 SmtUtils]: Spent 21.65 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 11:37:08,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:37:08 BoogieIcfgContainer [2018-11-18 11:37:08,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:37:08,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:37:08,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:37:08,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:37:08,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:36:12" (3/4) ... [2018-11-18 11:37:08,664 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:37:08,713 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b2f29a1-dd80-4db1-8e34-668d1a618819/bin-2019/uautomizer/witness.graphml [2018-11-18 11:37:08,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:37:08,714 INFO L168 Benchmark]: Toolchain (without parser) took 57682.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.0 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -271.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:37:08,714 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:37:08,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -199.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:37:08,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:37:08,715 INFO L168 Benchmark]: Boogie Preprocessor took 39.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:37:08,715 INFO L168 Benchmark]: RCFGBuilder took 807.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:37:08,716 INFO L168 Benchmark]: BuchiAutomizer took 56376.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -190.9 MB). Peak memory consumption was 278.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:37:08,716 INFO L168 Benchmark]: Witness Printer took 52.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:37:08,718 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -199.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 807.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56376.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -190.9 MB). Peak memory consumption was 278.7 MB. Max. memory is 11.5 GB. * Witness Printer took 52.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 278 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 55.9s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 278 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 648 SDtfs, 1614 SDslu, 128 SDs, 0 SdLazy, 50 SolverSat, 36 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: 63]: 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, "On"=0, "On"=17, "OK"=36, "Pump(System:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15f1c978=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@441f989f=168, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@290dc0e3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38c0cdc7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@624ea3c=0, retValue_acc=1, ") "=8, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, "Env(Water:%i"=0, "CRIT"=0, "__utac__get_this_argtype"=23, ",Meth:"=0, tmp___1=0, tmp=0, "libacc.c"=33, "__utac__get_this_argtype"=19, tmp=0, cleanupTimeShifts=4, tmp=0, "i > 0 && i <= this->argsCount"=22, "i > 0 && i <= this->argsCount"=29, "i > 0 && i <= this->argsCount"=26, ",Pump:"=15, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37208a8a=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ea3b7cc=0, NULL=0, systemActive=1, waterLevel=1, "CRIT"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49c284a3=0, "libacc.c"=0, "\n"=11, retValue_acc=0, \result=0, "Pump(System:"=18, "Off"=0, tmp___0=0, "On"=0, ",Pump:"=0, "\n"=0, ") "=0, \result=1, head=0, pumpRunning=0, \result=0, "On"=14, "__utac__get_this_argtype"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=20, \result=1, "Off"=16, ",Meth:"=39, "i > 0 && i <= this->argsCount"=34, "OK"=0, ")"=0, tmp=1, tmp___0=0, tmp___2=168, "libacc.c"=28, retValue_acc=1, splverifierCounter=0, methAndRunningLastTime=0, \result=0, ")"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e9eed04=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23d0a507=0, head=0, "libacc.c"=0, "__utac__get_this_arg"=31, "__utac__get_this_arg"=0, tmp=0, "__utac__get_this_arg"=27, "libacc.c"=24, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "Off"=12, "Off"=0, "Env(Water:%i"=35, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24cf0b67=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 63]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L415] FCALL "i > 0 && i <= this->argsCount" [L415] FCALL "libacc.c" [L416] FCALL "__utac__get_this_arg" [L422] FCALL "i > 0 && i <= this->argsCount" [L422] FCALL "libacc.c" [L423] FCALL "__utac__get_this_arg" [L461] FCALL "i > 0 && i <= this->argsCount" [L461] FCALL "libacc.c" [L462] FCALL "__utac__get_this_argtype" [L468] FCALL "i > 0 && i <= this->argsCount" [L468] FCALL "libacc.c" [L469] FCALL "__utac__get_this_argtype" [L647] FCALL "Pump(System:" [L651] FCALL "On" [L655] FCALL "Off" [L659] FCALL ",Pump:" [L663] FCALL "On" [L667] FCALL "Off" [L671] FCALL ") " [L673] FCALL "\n" [L909] FCALL "Env(Water:%i" [L910] FCALL ",Meth:" [L914] FCALL "CRIT" [L918] FCALL "OK" [L922] FCALL ")" [L493] int pumpRunning = 0; [L494] int systemActive = 1; [L717] int methAndRunningLastTime ; [L756] int cleanupTimeShifts = 4; [L857] int waterLevel = 1; [L858] int methaneLevelCritical = 0; [L287] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L833] int retValue_acc ; [L834] int tmp ; [L838] FCALL select_helpers() [L839] FCALL select_features() [L840] CALL, EXPR valid_product() [L986] int retValue_acc ; [L989] retValue_acc = 1 [L990] RET return (retValue_acc); [L840] EXPR valid_product() [L840] tmp = valid_product() [L842] COND TRUE \read(tmp) [L844] FCALL setup() [L845] CALL runTest() [L823] CALL __utac_acc__Specification2_spec__1() [L722] RET methAndRunningLastTime = 0 [L823] __utac_acc__Specification2_spec__1() [L824] CALL test() [L54] int splverifierCounter ; [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L58] int tmp___2 ; [L61] splverifierCounter = 0 Loop: [L63] COND TRUE 1 [L65] COND TRUE splverifierCounter < 4 [L71] tmp = __VERIFIER_nondet_int() [L73] COND FALSE !(\read(tmp)) [L81] tmp___0 = __VERIFIER_nondet_int() [L83] COND FALSE !(\read(tmp___0)) [L91] tmp___2 = __VERIFIER_nondet_int() [L93] COND TRUE \read(tmp___2) [L106] CALL timeShift() [L501] COND FALSE !(\read(pumpRunning)) [L508] COND TRUE \read(systemActive) [L510] CALL processEnvironment() [L582] int tmp ; [L585] COND FALSE !(\read(pumpRunning)) [L600] CALL processEnvironment__wrappee__lowWaterSensor() [L556] int tmp ; [L559] COND FALSE !(\read(pumpRunning)) [L574] CALL processEnvironment__wrappee__highWaterSensor() [L530] int tmp ; [L533] COND TRUE ! pumpRunning [L535] CALL, EXPR isHighWaterLevel() [L679] int retValue_acc ; [L680] int tmp ; [L681] int tmp___0 ; [L685] CALL, EXPR isHighWaterSensorDry() [L937] int retValue_acc ; [L940] COND TRUE waterLevel < 2 [L941] retValue_acc = 1 [L942] RET return (retValue_acc); [L685] EXPR isHighWaterSensorDry() [L685] tmp = isHighWaterSensorDry() [L687] COND TRUE \read(tmp) [L688] tmp___0 = 0 [L692] retValue_acc = tmp___0 [L693] RET return (retValue_acc); [L535] EXPR isHighWaterLevel() [L535] tmp = isHighWaterLevel() [L537] COND FALSE !(\read(tmp)) [L543] RET, FCALL processEnvironment__wrappee__base() [L574] RET processEnvironment__wrappee__highWaterSensor() [L600] RET processEnvironment__wrappee__lowWaterSensor() [L510] processEnvironment() [L516] CALL __utac_acc__Specification2_spec__2() [L727] int tmp ; [L728] int tmp___0 ; [L732] CALL, EXPR isMethaneLevelCritical() [L896] int retValue_acc ; [L899] retValue_acc = methaneLevelCritical [L900] RET return (retValue_acc); [L732] EXPR isMethaneLevelCritical() [L732] tmp = isMethaneLevelCritical() [L734] COND FALSE !(\read(tmp)) [L750] RET methAndRunningLastTime = 0 [L516] RET __utac_acc__Specification2_spec__2() [L106] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...