./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product62_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_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/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 aba800ab301c8226900a4d7cbc461b1db848e476 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:31:00,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:31:00,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:31:00,492 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:31:00,492 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:31:00,493 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:31:00,494 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:31:00,496 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:31:00,497 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:31:00,498 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:31:00,499 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:31:00,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:31:00,500 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:31:00,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:31:00,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:31:00,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:31:00,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:31:00,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:31:00,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:31:00,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:31:00,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:31:00,509 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:31:00,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:31:00,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:31:00,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:31:00,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:31:00,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:31:00,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:31:00,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:31:00,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:31:00,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:31:00,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:31:00,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:31:00,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:31:00,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:31:00,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:31:00,518 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:31:00,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:31:00,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:31:00,530 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:31:00,530 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:31:00,531 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:31:00,531 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:31:00,531 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:31:00,531 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:31:00,531 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:31:00,531 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:31:00,531 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:31:00,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:31:00,532 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:31:00,532 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:31:00,532 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:31:00,532 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:31:00,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:31:00,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:31:00,533 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:31:00,533 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:31:00,533 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:31:00,533 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:31:00,533 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:31:00,533 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:31:00,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:31:00,534 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:31:00,534 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:31:00,534 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:31:00,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:31:00,534 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:31:00,534 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:31:00,535 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:31:00,535 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_97e1ea8c-9a45-484b-be60-1409f12ccd0b/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 -> aba800ab301c8226900a4d7cbc461b1db848e476 [2018-11-18 16:31:00,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:31:00,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:31:00,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:31:00,574 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:31:00,574 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:31:00,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-11-18 16:31:00,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/data/e7b87e3ce/7922e435aab941f481c4b95ba6adadec/FLAGcc2b90cf2 [2018-11-18 16:31:01,003 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:31:01,004 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-11-18 16:31:01,013 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/data/e7b87e3ce/7922e435aab941f481c4b95ba6adadec/FLAGcc2b90cf2 [2018-11-18 16:31:01,026 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/data/e7b87e3ce/7922e435aab941f481c4b95ba6adadec [2018-11-18 16:31:01,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:31:01,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:31:01,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:31:01,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:31:01,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:31:01,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01, skipping insertion in model container [2018-11-18 16:31:01,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:31:01,080 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:31:01,300 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:31:01,310 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:31:01,447 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:31:01,468 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:31:01,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01 WrapperNode [2018-11-18 16:31:01,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:31:01,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:31:01,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:31:01,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:31:01,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:31:01,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:31:01,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:31:01,535 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:31:01,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... [2018-11-18 16:31:01,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:31:01,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:31:01,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:31:01,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:31:01,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/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 16:31:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:31:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:31:01,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:31:02,445 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:31:02,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:31:02 BoogieIcfgContainer [2018-11-18 16:31:02,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:31:02,446 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:31:02,446 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:31:02,449 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:31:02,449 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:31:02,450 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:31:01" (1/3) ... [2018-11-18 16:31:02,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56448e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:31:02, skipping insertion in model container [2018-11-18 16:31:02,451 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:31:02,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:31:01" (2/3) ... [2018-11-18 16:31:02,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56448e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:31:02, skipping insertion in model container [2018-11-18 16:31:02,451 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:31:02,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:31:02" (3/3) ... [2018-11-18 16:31:02,453 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-11-18 16:31:02,494 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:31:02,494 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:31:02,495 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:31:02,495 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:31:02,495 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:31:02,495 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:31:02,495 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:31:02,495 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:31:02,495 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:31:02,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 331 states. [2018-11-18 16:31:02,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 217 [2018-11-18 16:31:02,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:31:02,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:31:02,555 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:31:02,555 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:31:02,555 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:31:02,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 331 states. [2018-11-18 16:31:02,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 217 [2018-11-18 16:31:02,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:31:02,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:31:02,565 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:31:02,565 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:31:02,569 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 19#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~11;havoc main_~retValue_acc~11;havoc main_~tmp~11;assume { :begin_inline_select_helpers } true; 182#L1025true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 115#L1018true 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; 68#L1033true main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 82#L980true assume 0 != main_~tmp~11;assume { :begin_inline_setup } true; 187#L953true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 62#L312true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 121#L368-3true [2018-11-18 16:31:02,570 INFO L796 eck$LassoCheckResult]: Loop: 121#L368-3true assume true; 147#L368-1true assume !false; 85#L369true assume test_~splverifierCounter~0 < 4; 177#L370true test_~tmp~7 := test_#t~nondet26;havoc test_#t~nondet26; 70#L378true assume !(0 != test_~tmp~7); 63#L378-2true test_~tmp___0~3 := test_#t~nondet27;havoc test_#t~nondet27; 218#L388true assume !(0 != test_~tmp___0~3); 229#L388-2true test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 152#L398true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 258#L300true assume { :end_inline_startSystem } true; 20#L406-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 304#L217true __utac_acc__Specification5_spec__2_#t~ret23 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23;havoc __utac_acc__Specification5_spec__2_#t~ret23; 230#L322true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 281#L63true assume !(0 != ~pumpRunning~0); 242#L63-2true assume !(0 != ~systemActive~0); 44#L70-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24, __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 154#L866true __utac_acc__Specification5_spec__3_#t~ret24 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret24;havoc __utac_acc__Specification5_spec__3_#t~ret24; 226#L333true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 235#L333-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 198#L80true assume { :end_inline_timeShift } true; 121#L368-3true [2018-11-18 16:31:02,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:02,579 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 16:31:02,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:02,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:02,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:31:02,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:02,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:02,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1998918043, now seen corresponding path program 1 times [2018-11-18 16:31:02,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:02,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:02,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:31:02,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:31:02,796 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 16:31:02,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:31:02,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:31:02,801 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:31:02,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:31:02,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:31:02,813 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2018-11-18 16:31:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:31:02,859 INFO L93 Difference]: Finished difference Result 328 states and 432 transitions. [2018-11-18 16:31:02,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:31:02,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 432 transitions. [2018-11-18 16:31:02,866 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 213 [2018-11-18 16:31:02,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 318 states and 421 transitions. [2018-11-18 16:31:02,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2018-11-18 16:31:02,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2018-11-18 16:31:02,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 421 transitions. [2018-11-18 16:31:02,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:31:02,877 INFO L705 BuchiCegarLoop]: Abstraction has 318 states and 421 transitions. [2018-11-18 16:31:02,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 421 transitions. [2018-11-18 16:31:02,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-11-18 16:31:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-11-18 16:31:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 421 transitions. [2018-11-18 16:31:02,909 INFO L728 BuchiCegarLoop]: Abstraction has 318 states and 421 transitions. [2018-11-18 16:31:02,909 INFO L608 BuchiCegarLoop]: Abstraction has 318 states and 421 transitions. [2018-11-18 16:31:02,909 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:31:02,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 421 transitions. [2018-11-18 16:31:02,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 213 [2018-11-18 16:31:02,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:31:02,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:31:02,912 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:31:02,912 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] [2018-11-18 16:31:02,912 INFO L794 eck$LassoCheckResult]: Stem: 825#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 700#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~11;havoc main_~retValue_acc~11;havoc main_~tmp~11;assume { :begin_inline_select_helpers } true; 701#L1025 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 851#L1018 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; 785#L1033 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 786#L980 assume 0 != main_~tmp~11;assume { :begin_inline_setup } true; 809#L953 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 777#L312 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 778#L368-3 [2018-11-18 16:31:02,913 INFO L796 eck$LassoCheckResult]: Loop: 778#L368-3 assume true; 861#L368-1 assume !false; 813#L369 assume test_~splverifierCounter~0 < 4; 814#L370 test_~tmp~7 := test_#t~nondet26;havoc test_#t~nondet26; 787#L378 assume !(0 != test_~tmp~7); 779#L378-2 test_~tmp___0~3 := test_#t~nondet27;havoc test_#t~nondet27; 780#L388 assume !(0 != test_~tmp___0~3); 919#L388-2 test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 890#L398 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet29;havoc test_#t~nondet29; 755#L406 assume 0 != test_~tmp___1~0; 702#L406-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 703#L217 __utac_acc__Specification5_spec__2_#t~ret23 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23;havoc __utac_acc__Specification5_spec__2_#t~ret23; 951#L322 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 952#L63 assume !(0 != ~pumpRunning~0); 730#L63-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 759#L147 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret4, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 760#L834 isMethaneAlarm_#t~ret4 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret4;havoc isMethaneAlarm_#t~ret4;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; 676#L208 processEnvironment_#t~ret2 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret2;havoc processEnvironment_#t~ret2; 677#L151 assume 0 != processEnvironment_~tmp~2;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 817#L198 assume { :end_inline_deactivatePump } true; 754#L147-1 assume { :end_inline_processEnvironment } true; 747#L70-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24, __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 748#L866 __utac_acc__Specification5_spec__3_#t~ret24 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret24;havoc __utac_acc__Specification5_spec__3_#t~ret24; 893#L333 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 909#L333-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 935#L80 assume { :end_inline_timeShift } true; 778#L368-3 [2018-11-18 16:31:02,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:02,917 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 16:31:02,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:02,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:02,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:31:02,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:02,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:02,970 INFO L82 PathProgramCache]: Analyzing trace with hash -235113915, now seen corresponding path program 1 times [2018-11-18 16:31:02,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:02,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:02,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,971 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:31:02,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:31:02,999 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 16:31:02,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:31:02,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:31:03,000 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:31:03,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:31:03,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:31:03,000 INFO L87 Difference]: Start difference. First operand 318 states and 421 transitions. cyclomatic complexity: 105 Second operand 3 states. [2018-11-18 16:31:03,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:31:03,113 INFO L93 Difference]: Finished difference Result 337 states and 423 transitions. [2018-11-18 16:31:03,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:31:03,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 337 states and 423 transitions. [2018-11-18 16:31:03,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 232 [2018-11-18 16:31:03,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 337 states to 337 states and 423 transitions. [2018-11-18 16:31:03,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 337 [2018-11-18 16:31:03,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 337 [2018-11-18 16:31:03,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 337 states and 423 transitions. [2018-11-18 16:31:03,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:31:03,122 INFO L705 BuchiCegarLoop]: Abstraction has 337 states and 423 transitions. [2018-11-18 16:31:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states and 423 transitions. [2018-11-18 16:31:03,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-11-18 16:31:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-11-18 16:31:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 423 transitions. [2018-11-18 16:31:03,135 INFO L728 BuchiCegarLoop]: Abstraction has 337 states and 423 transitions. [2018-11-18 16:31:03,135 INFO L608 BuchiCegarLoop]: Abstraction has 337 states and 423 transitions. [2018-11-18 16:31:03,135 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:31:03,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 337 states and 423 transitions. [2018-11-18 16:31:03,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 232 [2018-11-18 16:31:03,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:31:03,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:31:03,138 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:31:03,138 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, 1, 1, 1] [2018-11-18 16:31:03,140 INFO L794 eck$LassoCheckResult]: Stem: 1459#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~11;havoc main_~retValue_acc~11;havoc main_~tmp~11;assume { :begin_inline_select_helpers } true; 1355#L1025 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1481#L1018 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; 1421#L1033 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 1422#L980 assume 0 != main_~tmp~11;assume { :begin_inline_setup } true; 1439#L953 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1416#L312 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1417#L368-3 [2018-11-18 16:31:03,140 INFO L796 eck$LassoCheckResult]: Loop: 1417#L368-3 assume true; 1653#L368-1 assume !false; 1652#L369 assume test_~splverifierCounter~0 < 4; 1651#L370 test_~tmp~7 := test_#t~nondet26;havoc test_#t~nondet26; 1649#L378 assume !(0 != test_~tmp~7); 1647#L378-2 test_~tmp___0~3 := test_#t~nondet27;havoc test_#t~nondet27; 1645#L388 assume !(0 != test_~tmp___0~3); 1643#L388-2 test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 1642#L398 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1586#L300 assume { :end_inline_startSystem } true; 1352#L406-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1353#L217 __utac_acc__Specification5_spec__2_#t~ret23 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23;havoc __utac_acc__Specification5_spec__2_#t~ret23; 1569#L322 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1570#L63 assume !(0 != ~pumpRunning~0); 1575#L63-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1399#L147 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret1, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1400#L121-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1461#L95-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret21, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 1370#L874-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 1371#L879-3 isHighWaterLevel_#t~ret21 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret21;havoc isHighWaterLevel_#t~ret21; 1418#L266-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 1607#L266-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1602#L272-3 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1429#L99-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1431#L87-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1491#L95-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1662#L121-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1449#L147-1 assume { :end_inline_processEnvironment } true; 1661#L70-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24, __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 1660#L866 __utac_acc__Specification5_spec__3_#t~ret24 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret24;havoc __utac_acc__Specification5_spec__3_#t~ret24; 1658#L333 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 1655#L333-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1654#L80 assume { :end_inline_timeShift } true; 1417#L368-3 [2018-11-18 16:31:03,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:03,141 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 16:31:03,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:03,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:03,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:31:03,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:03,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1658285204, now seen corresponding path program 1 times [2018-11-18 16:31:03,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:03,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:03,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,179 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:31:03,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:31:03,243 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 16:31:03,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:31:03,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:31:03,243 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:31:03,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:31:03,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:31:03,244 INFO L87 Difference]: Start difference. First operand 337 states and 423 transitions. cyclomatic complexity: 88 Second operand 5 states. [2018-11-18 16:31:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:31:03,542 INFO L93 Difference]: Finished difference Result 1669 states and 2088 transitions. [2018-11-18 16:31:03,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:31:03,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1669 states and 2088 transitions. [2018-11-18 16:31:03,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1137 [2018-11-18 16:31:03,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1669 states to 1669 states and 2088 transitions. [2018-11-18 16:31:03,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1669 [2018-11-18 16:31:03,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1669 [2018-11-18 16:31:03,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1669 states and 2088 transitions. [2018-11-18 16:31:03,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:31:03,559 INFO L705 BuchiCegarLoop]: Abstraction has 1669 states and 2088 transitions. [2018-11-18 16:31:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states and 2088 transitions. [2018-11-18 16:31:03,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 663. [2018-11-18 16:31:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2018-11-18 16:31:03,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 826 transitions. [2018-11-18 16:31:03,580 INFO L728 BuchiCegarLoop]: Abstraction has 663 states and 826 transitions. [2018-11-18 16:31:03,580 INFO L608 BuchiCegarLoop]: Abstraction has 663 states and 826 transitions. [2018-11-18 16:31:03,580 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 16:31:03,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 663 states and 826 transitions. [2018-11-18 16:31:03,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 462 [2018-11-18 16:31:03,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:31:03,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:31:03,584 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:31:03,585 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, 1, 1, 1, 1, 1] [2018-11-18 16:31:03,585 INFO L794 eck$LassoCheckResult]: Stem: 3491#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 3380#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~11;havoc main_~retValue_acc~11;havoc main_~tmp~11;assume { :begin_inline_select_helpers } true; 3381#L1025 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3515#L1018 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; 3456#L1033 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 3457#L980 assume 0 != main_~tmp~11;assume { :begin_inline_setup } true; 3475#L953 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3449#L312 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3450#L368-3 [2018-11-18 16:31:03,585 INFO L796 eck$LassoCheckResult]: Loop: 3450#L368-3 assume true; 3521#L368-1 assume !false; 3536#L369 assume test_~splverifierCounter~0 < 4; 3926#L370 test_~tmp~7 := test_#t~nondet26;havoc test_#t~nondet26; 3986#L378 assume !(0 != test_~tmp~7); 3984#L378-2 test_~tmp___0~3 := test_#t~nondet27;havoc test_#t~nondet27; 3982#L388 assume !(0 != test_~tmp___0~3); 3969#L388-2 test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 3968#L398 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3966#L300 assume { :end_inline_startSystem } true; 3965#L406-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 3964#L217 __utac_acc__Specification5_spec__2_#t~ret23 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23;havoc __utac_acc__Specification5_spec__2_#t~ret23; 3963#L322 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3647#L63 assume !(0 != ~pumpRunning~0); 3621#L63-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 3622#L147 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret1, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 3790#L121-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 3789#L95-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret21, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 3788#L874-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 3401#L879-3 isHighWaterLevel_#t~ret21 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret21;havoc isHighWaterLevel_#t~ret21; 3785#L266-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 3783#L266-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 3781#L272-3 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 3778#L99-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 3524#L87-6 assume { :end_inline_processEnvironment__wrappee__base } true; 3525#L95-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3496#L121-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3427#L147-1 assume { :end_inline_processEnvironment } true; 3421#L70-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24, __utac_acc__Specification5_spec__3_#t~ret25, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 3422#L866 __utac_acc__Specification5_spec__3_#t~ret24 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret24;havoc __utac_acc__Specification5_spec__3_#t~ret24; 3610#L333 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 3611#L217-1 __utac_acc__Specification5_spec__3_#t~ret25 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret25;havoc __utac_acc__Specification5_spec__3_#t~ret25; 3695#L337 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 3929#L333-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3590#L80 assume { :end_inline_timeShift } true; 3450#L368-3 [2018-11-18 16:31:03,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:03,585 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 16:31:03,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:03,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:03,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:31:03,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:03,623 INFO L82 PathProgramCache]: Analyzing trace with hash 160123183, now seen corresponding path program 1 times [2018-11-18 16:31:03,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:03,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:03,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,624 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:31:03,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:31:03,636 INFO L82 PathProgramCache]: Analyzing trace with hash -368724570, now seen corresponding path program 1 times [2018-11-18 16:31:03,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:31:03,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:31:03,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:31:03,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:31:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:31:03,810 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2018-11-18 16:33:06,047 WARN L180 SmtUtils]: Spent 2.04 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 16:34:07,039 WARN L180 SmtUtils]: Spent 1.02 m on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 16:34:07,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:34:07 BoogieIcfgContainer [2018-11-18 16:34:07,105 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:34:07,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:34:07,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:34:07,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:34:07,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:31:02" (3/4) ... [2018-11-18 16:34:07,109 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:34:07,151 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97e1ea8c-9a45-484b-be60-1409f12ccd0b/bin-2019/uautomizer/witness.graphml [2018-11-18 16:34:07,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:34:07,152 INFO L168 Benchmark]: Toolchain (without parser) took 186123.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:07,153 INFO L168 Benchmark]: CDTParser took 0.14 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 16:34:07,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:07,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:07,153 INFO L168 Benchmark]: Boogie Preprocessor took 43.59 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:07,154 INFO L168 Benchmark]: RCFGBuilder took 866.91 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:07,154 INFO L168 Benchmark]: BuchiAutomizer took 184659.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -121.9 MB). Peak memory consumption was 299.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:07,154 INFO L168 Benchmark]: Witness Printer took 45.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:34:07,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 438.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.59 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 866.91 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 184659.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -121.9 MB). Peak memory consumption was 299.0 MB. Max. memory is 11.5 GB. * Witness Printer took 45.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 663 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 184.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 183.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1006 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 663 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1380 SDtfs, 2307 SDslu, 1824 SDs, 0 SdLazy, 232 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 368]: 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, "Off"=19, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d4a4c98=0, ",Meth:"=0, retValue_acc=0, tmp=0, ",Meth:"=8, tmp___1=0, "Pump(System:"=0, "\n"=12, cleanupTimeShifts=4, "On"=17, tmp=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25896d80=0, "libacc.c"=26, ",Pump:"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=24, \result=1, retValue_acc=1, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61ab5895=0, ")"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44f72eef=156, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23aca572=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@381fdad=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6013518f=0, "libacc.c"=34, "OK"=0, tmp=1, retValue_acc=1, ")"=0, tmp___0=0, "__utac__get_this_argtype"=23, tmp=0, head=0, tmp=0, "__utac__get_this_argtype"=38, "__utac__get_this_argtype"=0, "libacc.c"=0, "OK"=36, "On"=20, tmp=1, tmp___0=0, "Env(Water:%i"=0, "On"=0, tmp=0, switchedOnBeforeTS=0, "__utac__get_this_arg"=31, \result=0, "__utac__get_this_arg"=27, NULL=0, systemActive=1, \result=1, "On"=0, ",Pump:"=18, \result=0, "Off"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "__utac__get_this_arg"=0, ") "=15, tmp___0=0, "libacc.c"=33, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f2329a5=0, "libacc.c"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b2f8fd9=0, "Env(Water:%i"=37, "Off"=0, "i > 0 && i <= this->argsCount"=0, ") "=0, "i > 0 && i <= this->argsCount"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23526824=0, tmp___2=156, splverifierCounter=0, "__utac__get_this_argtype"=0, "Pump(System:"=11, "CRIT"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e3fa989=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@343507b6=0, retValue_acc=0, "\n"=0, "Off"=16, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 368]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L226] FCALL "Pump(System:" [L230] FCALL "On" [L234] FCALL "Off" [L238] FCALL ",Pump:" [L242] FCALL "On" [L246] FCALL "Off" [L250] FCALL ") " [L252] FCALL "\n" [L722] FCALL "i > 0 && i <= this->argsCount" [L722] FCALL "libacc.c" [L723] FCALL "__utac__get_this_arg" [L729] FCALL "i > 0 && i <= this->argsCount" [L729] FCALL "libacc.c" [L730] FCALL "__utac__get_this_arg" [L768] FCALL "i > 0 && i <= this->argsCount" [L768] FCALL "libacc.c" [L769] FCALL "__utac__get_this_argtype" [L775] FCALL "i > 0 && i <= this->argsCount" [L775] FCALL "libacc.c" [L776] FCALL "__utac__get_this_argtype" [L843] FCALL "Env(Water:%i" [L844] FCALL ",Meth:" [L848] FCALL "CRIT" [L852] FCALL "OK" [L856] FCALL ")" [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L306] int switchedOnBeforeTS ; [L791] int waterLevel = 1; [L792] int methaneLevelCritical = 0; [L894] int cleanupTimeShifts = 4; [L594] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L971] int retValue_acc ; [L972] int tmp ; [L976] FCALL select_helpers() [L977] FCALL select_features() [L978] CALL, EXPR valid_product() [L1029] int retValue_acc ; [L1032] retValue_acc = 1 [L1033] RET return (retValue_acc); [L978] EXPR valid_product() [L978] tmp = valid_product() [L980] COND TRUE \read(tmp) [L982] FCALL setup() [L983] CALL runTest() [L961] CALL __utac_acc__Specification5_spec__1() [L311] RET switchedOnBeforeTS = 0 [L961] __utac_acc__Specification5_spec__1() [L962] CALL test() [L359] int splverifierCounter ; [L360] int tmp ; [L361] int tmp___0 ; [L362] int tmp___1 ; [L363] int tmp___2 ; [L366] splverifierCounter = 0 Loop: [L368] COND TRUE 1 [L370] COND TRUE splverifierCounter < 4 [L376] tmp = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp)) [L386] tmp___0 = __VERIFIER_nondet_int() [L388] COND FALSE !(\read(tmp___0)) [L396] tmp___2 = __VERIFIER_nondet_int() [L398] COND TRUE \read(tmp___2) [L400] CALL startSystem() [L299] RET systemActive = 1 [L400] startSystem() [L413] CALL timeShift() [L61] CALL __utac_acc__Specification5_spec__2() [L320] CALL, EXPR isPumpRunning() [L213] int retValue_acc ; [L216] retValue_acc = pumpRunning [L217] RET return (retValue_acc); [L320] EXPR isPumpRunning() [L320] RET switchedOnBeforeTS = isPumpRunning() [L61] __utac_acc__Specification5_spec__2() [L63] COND FALSE !(\read(pumpRunning)) [L70] COND TRUE \read(systemActive) [L72] CALL processEnvironment() [L144] int tmp ; [L147] COND FALSE !(\read(pumpRunning)) [L162] CALL processEnvironment__wrappee__methaneQuery() [L118] int tmp ; [L121] COND FALSE !(\read(pumpRunning)) [L136] CALL processEnvironment__wrappee__highWaterSensor() [L92] int tmp ; [L95] COND TRUE ! pumpRunning [L97] CALL, EXPR isHighWaterLevel() [L258] int retValue_acc ; [L259] int tmp ; [L260] int tmp___0 ; [L264] CALL, EXPR isHighWaterSensorDry() [L871] int retValue_acc ; [L874] COND TRUE waterLevel < 2 [L875] retValue_acc = 1 [L876] RET return (retValue_acc); [L264] EXPR isHighWaterSensorDry() [L264] tmp = isHighWaterSensorDry() [L266] COND TRUE \read(tmp) [L267] tmp___0 = 0 [L271] retValue_acc = tmp___0 [L272] RET return (retValue_acc); [L97] EXPR isHighWaterLevel() [L97] tmp = isHighWaterLevel() [L99] COND FALSE !(\read(tmp)) [L105] RET, FCALL processEnvironment__wrappee__base() [L136] RET processEnvironment__wrappee__highWaterSensor() [L162] RET processEnvironment__wrappee__methaneQuery() [L72] processEnvironment() [L78] CALL __utac_acc__Specification5_spec__3() [L326] int tmp ; [L327] int tmp___0 ; [L331] CALL, EXPR getWaterLevel() [L862] int retValue_acc ; [L865] retValue_acc = waterLevel [L866] RET return (retValue_acc); [L331] EXPR getWaterLevel() [L331] tmp = getWaterLevel() [L333] COND TRUE tmp != 2 [L335] CALL, EXPR isPumpRunning() [L213] int retValue_acc ; [L216] retValue_acc = pumpRunning [L217] RET return (retValue_acc); [L335] EXPR isPumpRunning() [L335] tmp___0 = isPumpRunning() [L337] COND FALSE, RET !(\read(tmp___0)) [L78] RET __utac_acc__Specification5_spec__3() [L413] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...