./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38_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_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/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 023bd19a3cee0a73a15679923c85e228e629b6a0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:27:06,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:27:06,385 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:27:06,396 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:27:06,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:27:06,397 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:27:06,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:27:06,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:27:06,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:27:06,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:27:06,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:27:06,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:27:06,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:27:06,404 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:27:06,405 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:27:06,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:27:06,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:27:06,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:27:06,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:27:06,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:27:06,410 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:27:06,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:27:06,412 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:27:06,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:27:06,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:27:06,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:27:06,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:27:06,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:27:06,416 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:27:06,417 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:27:06,417 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:27:06,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:27:06,418 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:27:06,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:27:06,419 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:27:06,420 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:27:06,420 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:27:06,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:27:06,431 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:27:06,432 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:27:06,433 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:27:06,433 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:27:06,433 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:27:06,433 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:27:06,433 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:27:06,433 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:27:06,433 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:27:06,433 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:27:06,434 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:27:06,434 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:27:06,435 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:27:06,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:27:06,436 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:27:06,436 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:27:06,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:27:06,437 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:27:06,437 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:27:06,437 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:27:06,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:27:06,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:27:06,437 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:27:06,438 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:27:06,438 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_46b21143-c9a1-4ed6-b080-a62e140f02e0/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 -> 023bd19a3cee0a73a15679923c85e228e629b6a0 [2018-11-18 10:27:06,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:27:06,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:27:06,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:27:06,475 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:27:06,475 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:27:06,475 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product38_true-unreach-call_false-termination.cil.c [2018-11-18 10:27:06,514 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/data/929919a3d/a8e209bb2fb9463bbb0f53b996ef470d/FLAGeb581fb58 [2018-11-18 10:27:06,885 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:27:06,886 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/sv-benchmarks/c/product-lines/minepump_spec5_product38_true-unreach-call_false-termination.cil.c [2018-11-18 10:27:06,893 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/data/929919a3d/a8e209bb2fb9463bbb0f53b996ef470d/FLAGeb581fb58 [2018-11-18 10:27:06,905 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/data/929919a3d/a8e209bb2fb9463bbb0f53b996ef470d [2018-11-18 10:27:06,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:27:06,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:27:06,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:27:06,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:27:06,915 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:27:06,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:27:06" (1/1) ... [2018-11-18 10:27:06,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1e80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:06, skipping insertion in model container [2018-11-18 10:27:06,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:27:06" (1/1) ... [2018-11-18 10:27:06,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:27:06,962 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:27:07,172 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:27:07,181 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:27:07,283 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:27:07,304 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:27:07,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07 WrapperNode [2018-11-18 10:27:07,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:27:07,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:27:07,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:27:07,306 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:27:07,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:27:07,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:27:07,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:27:07,356 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:27:07,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... [2018-11-18 10:27:07,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:27:07,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:27:07,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:27:07,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:27:07,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 10:27:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:27:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:27:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:27:08,200 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:27:08,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:27:08 BoogieIcfgContainer [2018-11-18 10:27:08,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:27:08,201 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:27:08,201 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:27:08,205 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:27:08,205 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:27:08,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:27:06" (1/3) ... [2018-11-18 10:27:08,206 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@620ad22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:27:08, skipping insertion in model container [2018-11-18 10:27:08,207 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:27:08,207 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:07" (2/3) ... [2018-11-18 10:27:08,208 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@620ad22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:27:08, skipping insertion in model container [2018-11-18 10:27:08,208 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:27:08,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:27:08" (3/3) ... [2018-11-18 10:27:08,209 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product38_true-unreach-call_false-termination.cil.c [2018-11-18 10:27:08,253 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:27:08,253 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:27:08,253 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:27:08,253 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:27:08,253 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:27:08,254 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:27:08,254 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:27:08,254 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:27:08,254 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:27:08,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 10:27:08,294 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 10:27:08,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:08,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:08,303 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:08,303 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:08,303 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:27:08,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states. [2018-11-18 10:27:08,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2018-11-18 10:27:08,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:08,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:08,310 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:08,311 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:08,317 INFO L794 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 88#L884true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3#L877true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 106#L892true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 96#L141true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 153#L112true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 98#L163true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L907-3true [2018-11-18 10:27:08,318 INFO L796 eck$LassoCheckResult]: Loop: 10#L907-3true assume true; 31#L907-1true assume !false; 129#L908true assume test_~splverifierCounter~0 < 4; 78#L909true test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 105#L917true assume !(0 != test_~tmp~8); 91#L917-2true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 160#L927true assume !(0 != test_~tmp___0~2); 141#L927-2true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 33#L937true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet73;havoc test_#t~nondet73; 64#L945true assume 0 != test_~tmp___1~0; 72#L945-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 44#L794true __utac_acc__Specification5_spec__2_#t~ret1 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret1;havoc __utac_acc__Specification5_spec__2_#t~ret1; 147#L173true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 104#L683true assume !(0 != ~pumpRunning~0); 89#L683-2true assume !(0 != ~systemActive~0); 166#L690-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_#t~ret3, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 28#L651true __utac_acc__Specification5_spec__3_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 149#L184true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 146#L184-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 63#L700true assume { :end_inline_timeShift } true; 10#L907-3true [2018-11-18 10:27:08,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:08,327 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:27:08,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:08,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:08,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:08,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:08,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:08,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:08,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1267872668, now seen corresponding path program 1 times [2018-11-18 10:27:08,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:08,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:08,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:08,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:08,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:08,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:08,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1654568955, now seen corresponding path program 1 times [2018-11-18 10:27:08,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:08,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:08,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:08,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:08,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:27:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:27:08,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:27:08,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:27:08,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:27:08,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:27:08,848 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 6 states. [2018-11-18 10:27:09,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:27:09,102 INFO L93 Difference]: Finished difference Result 166 states and 215 transitions. [2018-11-18 10:27:09,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:27:09,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 215 transitions. [2018-11-18 10:27:09,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 10:27:09,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 156 states and 205 transitions. [2018-11-18 10:27:09,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2018-11-18 10:27:09,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2018-11-18 10:27:09,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 205 transitions. [2018-11-18 10:27:09,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:27:09,120 INFO L705 BuchiCegarLoop]: Abstraction has 156 states and 205 transitions. [2018-11-18 10:27:09,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 205 transitions. [2018-11-18 10:27:09,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-18 10:27:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-18 10:27:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 205 transitions. [2018-11-18 10:27:09,157 INFO L728 BuchiCegarLoop]: Abstraction has 156 states and 205 transitions. [2018-11-18 10:27:09,157 INFO L608 BuchiCegarLoop]: Abstraction has 156 states and 205 transitions. [2018-11-18 10:27:09,157 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:27:09,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 205 transitions. [2018-11-18 10:27:09,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 10:27:09,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:09,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:09,161 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:09,161 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:09,162 INFO L794 eck$LassoCheckResult]: Stem: 496#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 359#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 360#L884 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 353#L877 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 354#L892 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 479#L141 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 480#L112 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 481#L163 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 367#L907-3 [2018-11-18 10:27:09,162 INFO L796 eck$LassoCheckResult]: Loop: 367#L907-3 assume true; 368#L907-1 assume !false; 400#L908 assume test_~splverifierCounter~0 < 4; 462#L909 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 463#L917 assume !(0 != test_~tmp~8); 473#L917-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 474#L927 assume !(0 != test_~tmp___0~2); 476#L927-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 403#L937 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 404#L858 assume { :end_inline_startSystem } true; 446#L945-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 422#L794 __utac_acc__Specification5_spec__2_#t~ret1 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret1;havoc __utac_acc__Specification5_spec__2_#t~ret1; 423#L173 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 490#L683 assume !(0 != ~pumpRunning~0); 376#L683-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 470#L741 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 486#L715-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 505#L707-3 assume { :end_inline_processEnvironment__wrappee__base } true; 504#L715-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 370#L741-1 assume { :end_inline_processEnvironment } true; 455#L690-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_#t~ret3, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 395#L651 __utac_acc__Specification5_spec__3_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 396#L184 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 435#L184-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 445#L700 assume { :end_inline_timeShift } true; 367#L907-3 [2018-11-18 10:27:09,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:09,163 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:27:09,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:09,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:09,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:09,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:09,212 INFO L82 PathProgramCache]: Analyzing trace with hash 406676545, now seen corresponding path program 1 times [2018-11-18 10:27:09,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:09,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:09,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,213 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:27:09,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:27:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:27:09,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:27:09,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:27:09,234 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:27:09,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:27:09,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:27:09,236 INFO L87 Difference]: Start difference. First operand 156 states and 205 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-11-18 10:27:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:27:09,353 INFO L93 Difference]: Finished difference Result 223 states and 282 transitions. [2018-11-18 10:27:09,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:27:09,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223 states and 282 transitions. [2018-11-18 10:27:09,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156 [2018-11-18 10:27:09,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223 states to 223 states and 282 transitions. [2018-11-18 10:27:09,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 223 [2018-11-18 10:27:09,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 223 [2018-11-18 10:27:09,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 223 states and 282 transitions. [2018-11-18 10:27:09,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:27:09,361 INFO L705 BuchiCegarLoop]: Abstraction has 223 states and 282 transitions. [2018-11-18 10:27:09,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states and 282 transitions. [2018-11-18 10:27:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-11-18 10:27:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-18 10:27:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 282 transitions. [2018-11-18 10:27:09,369 INFO L728 BuchiCegarLoop]: Abstraction has 223 states and 282 transitions. [2018-11-18 10:27:09,369 INFO L608 BuchiCegarLoop]: Abstraction has 223 states and 282 transitions. [2018-11-18 10:27:09,369 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:27:09,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 282 transitions. [2018-11-18 10:27:09,370 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156 [2018-11-18 10:27:09,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:09,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:09,371 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:09,371 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] [2018-11-18 10:27:09,372 INFO L794 eck$LassoCheckResult]: Stem: 882#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 744#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 745#L884 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 738#L877 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 739#L892 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 866#L141 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 867#L112 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 868#L163 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 752#L907-3 [2018-11-18 10:27:09,372 INFO L796 eck$LassoCheckResult]: Loop: 752#L907-3 assume true; 753#L907-1 assume !false; 785#L908 assume test_~splverifierCounter~0 < 4; 848#L909 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 849#L917 assume !(0 != test_~tmp~8); 859#L917-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 860#L927 assume !(0 != test_~tmp___0~2); 863#L927-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 924#L937 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 922#L858 assume { :end_inline_startSystem } true; 840#L945-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 807#L794 __utac_acc__Specification5_spec__2_#t~ret1 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret1;havoc __utac_acc__Specification5_spec__2_#t~ret1; 808#L173 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 876#L683 assume !(0 != ~pumpRunning~0); 855#L683-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 856#L741 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 871#L715-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 794#L659-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 795#L664-1 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 828#L843-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 829#L843-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 805#L849-1 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 806#L719-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 851#L707-2 assume { :end_inline_processEnvironment__wrappee__base } true; 891#L715-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 755#L741-1 assume { :end_inline_processEnvironment } true; 841#L690-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_#t~ret3, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 780#L651 __utac_acc__Specification5_spec__3_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 781#L184 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 820#L184-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 830#L700 assume { :end_inline_timeShift } true; 752#L907-3 [2018-11-18 10:27:09,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:09,372 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:27:09,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:09,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:09,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:09,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:09,409 INFO L82 PathProgramCache]: Analyzing trace with hash -509992071, now seen corresponding path program 1 times [2018-11-18 10:27:09,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:09,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:09,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,411 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:27:09,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:27:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:27:09,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:27:09,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:27:09,509 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:27:09,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:27:09,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:27:09,510 INFO L87 Difference]: Start difference. First operand 223 states and 282 transitions. cyclomatic complexity: 61 Second operand 5 states. [2018-11-18 10:27:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:27:09,738 INFO L93 Difference]: Finished difference Result 627 states and 777 transitions. [2018-11-18 10:27:09,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:27:09,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 627 states and 777 transitions. [2018-11-18 10:27:09,743 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 407 [2018-11-18 10:27:09,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 627 states to 627 states and 777 transitions. [2018-11-18 10:27:09,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 627 [2018-11-18 10:27:09,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 627 [2018-11-18 10:27:09,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 627 states and 777 transitions. [2018-11-18 10:27:09,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:27:09,750 INFO L705 BuchiCegarLoop]: Abstraction has 627 states and 777 transitions. [2018-11-18 10:27:09,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states and 777 transitions. [2018-11-18 10:27:09,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 436. [2018-11-18 10:27:09,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-11-18 10:27:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 540 transitions. [2018-11-18 10:27:09,763 INFO L728 BuchiCegarLoop]: Abstraction has 436 states and 540 transitions. [2018-11-18 10:27:09,763 INFO L608 BuchiCegarLoop]: Abstraction has 436 states and 540 transitions. [2018-11-18 10:27:09,763 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 10:27:09,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 436 states and 540 transitions. [2018-11-18 10:27:09,766 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 310 [2018-11-18 10:27:09,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:09,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:09,767 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:09,767 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 10:27:09,767 INFO L794 eck$LassoCheckResult]: Stem: 1753#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1610#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1611#L884 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1604#L877 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1605#L892 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1736#L141 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1737#L112 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1740#L163 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1618#L907-3 [2018-11-18 10:27:09,768 INFO L796 eck$LassoCheckResult]: Loop: 1618#L907-3 assume true; 1619#L907-1 assume !false; 1653#L908 assume test_~splverifierCounter~0 < 4; 1763#L909 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 2032#L917 assume !(0 != test_~tmp~8); 2028#L917-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 2025#L927 assume !(0 != test_~tmp___0~2); 2022#L927-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 2019#L937 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2016#L858 assume { :end_inline_startSystem } true; 2014#L945-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 2012#L794 __utac_acc__Specification5_spec__2_#t~ret1 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret1;havoc __utac_acc__Specification5_spec__2_#t~ret1; 2010#L173 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2009#L683 assume !(0 != ~pumpRunning~0); 1992#L683-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1741#L741 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1742#L715-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1660#L659-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1661#L664-1 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 1901#L843-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 1900#L843-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 1899#L849-1 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 1898#L719-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 1764#L707-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1765#L715-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1621#L741-1 assume { :end_inline_processEnvironment } true; 1707#L690-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_#t~ret3, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1646#L651 __utac_acc__Specification5_spec__3_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 1647#L184 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 1628#L794-1 __utac_acc__Specification5_spec__3_#t~ret3 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret3;havoc __utac_acc__Specification5_spec__3_#t~ret3; 1629#L188 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 1687#L184-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1697#L700 assume { :end_inline_timeShift } true; 1618#L907-3 [2018-11-18 10:27:09,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:09,768 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 10:27:09,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:09,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:09,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:09,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:09,811 INFO L82 PathProgramCache]: Analyzing trace with hash -495205100, now seen corresponding path program 1 times [2018-11-18 10:27:09,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:09,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:09,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,813 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:27:09,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:09,833 INFO L82 PathProgramCache]: Analyzing trace with hash 818209611, now seen corresponding path program 1 times [2018-11-18 10:27:09,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:09,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:09,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:09,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:10,094 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2018-11-18 10:27:41,251 WARN L180 SmtUtils]: Spent 31.08 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 10:28:05,313 WARN L180 SmtUtils]: Spent 24.06 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 10:28:05,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:28:05 BoogieIcfgContainer [2018-11-18 10:28:05,388 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:28:05,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:28:05,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:28:05,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:28:05,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:27:08" (3/4) ... [2018-11-18 10:28:05,392 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:28:05,443 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_46b21143-c9a1-4ed6-b080-a62e140f02e0/bin-2019/uautomizer/witness.graphml [2018-11-18 10:28:05,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:28:05,444 INFO L168 Benchmark]: Toolchain (without parser) took 58535.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 957.0 MB in the beginning and 898.4 MB in the end (delta: 58.6 MB). Peak memory consumption was 221.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:05,444 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 10:28:05,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:05,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.56 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:05,445 INFO L168 Benchmark]: Boogie Preprocessor took 35.55 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:05,445 INFO L168 Benchmark]: RCFGBuilder took 809.68 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: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:05,446 INFO L168 Benchmark]: BuchiAutomizer took 57186.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.0 GB in the beginning and 903.2 MB in the end (delta: 136.8 MB). Peak memory consumption was 189.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:05,446 INFO L168 Benchmark]: Witness Printer took 54.86 ms. Allocated memory is still 1.2 GB. Free memory was 903.2 MB in the beginning and 898.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:05,447 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 395.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.56 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.55 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 809.68 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: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 57186.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.0 GB in the beginning and 903.2 MB in the end (delta: 136.8 MB). Peak memory consumption was 189.3 MB. Max. memory is 11.5 GB. * Witness Printer took 54.86 ms. Allocated memory is still 1.2 GB. Free memory was 903.2 MB in the beginning and 898.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 6 locations. The remainder module has 436 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 56.3s. Construction of modules took 0.4s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 191 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 436 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 713 SDtfs, 1442 SDslu, 746 SDs, 0 SdLazy, 127 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 907]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "On"=16, "Off"=0, retValue_acc=0, "OK"=0, "OK"=19, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41b53beb=0, "CRIT"=0, "On"=0, "Off"=8, ",Meth:"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8fcefa6=0, tmp___0=0, retValue_acc=1, ") "=0, "__utac__get_this_argtype"=28, retValue_acc=0, "\n"=0, tmp=0, tmp=1, tmp___1=0, "libacc.c"=37, "__utac__get_this_argtype"=24, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=27, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=35, "i > 0 && i <= this->argsCount"=31, ",Meth:"=22, tmp=0, \result=0, "Pump(System:"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d2845ed=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, \result=0, "CRIT"=20, "On"=0, "Off"=0, "Pump(System:"=0, tmp___0=0, \result=1, head=0, pumpRunning=0, tmp=1, "Off"=15, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b63521a=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=26, \result=1, ")"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c8a8919=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d0d2235=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f5099f3=180, "\n"=40, "On"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cacfeaa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40e1d3b8=0, "i > 0 && i <= this->argsCount"=38, tmp=1, tmp___2=180, tmp___0=0, "libacc.c"=34, retValue_acc=1, splverifierCounter=0, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a436fc9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58a07b14=0, ",Pump:"=14, head=0, "libacc.c"=0, "__utac__get_this_arg"=36, "__utac__get_this_arg"=0, tmp=0, "__utac__get_this_arg"=33, "libacc.c"=29, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=23, retValue_acc=0, ")"=0, ") "=11} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 907]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L503] FCALL "i > 0 && i <= this->argsCount" [L503] FCALL "libacc.c" [L504] FCALL "__utac__get_this_arg" [L510] FCALL "i > 0 && i <= this->argsCount" [L510] FCALL "libacc.c" [L511] FCALL "__utac__get_this_arg" [L549] FCALL "i > 0 && i <= this->argsCount" [L549] FCALL "libacc.c" [L550] FCALL "__utac__get_this_argtype" [L556] FCALL "i > 0 && i <= this->argsCount" [L556] FCALL "libacc.c" [L557] FCALL "__utac__get_this_argtype" [L628] FCALL "Env(Water:%i" [L629] FCALL ",Meth:" [L633] FCALL "CRIT" [L637] FCALL "OK" [L641] FCALL ")" [L803] FCALL "Pump(System:" [L807] FCALL "On" [L811] FCALL "Off" [L815] FCALL ",Pump:" [L819] FCALL "On" [L823] FCALL "Off" [L827] FCALL ") " [L829] FCALL "\n" [L49] int cleanupTimeShifts = 4; [L157] int switchedOnBeforeTS ; [L576] int waterLevel = 1; [L577] int methaneLevelCritical = 0; [L673] int pumpRunning = 0; [L674] int systemActive = 1; [L375] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L132] int retValue_acc ; [L133] int tmp ; [L137] FCALL select_helpers() [L138] FCALL select_features() [L139] CALL, EXPR valid_product() [L888] int retValue_acc ; [L891] retValue_acc = 1 [L892] RET return (retValue_acc); [L139] EXPR valid_product() [L139] tmp = valid_product() [L141] COND TRUE \read(tmp) [L143] FCALL setup() [L144] CALL runTest() [L122] CALL __utac_acc__Specification5_spec__1() [L162] RET switchedOnBeforeTS = 0 [L122] __utac_acc__Specification5_spec__1() [L123] CALL test() [L898] int splverifierCounter ; [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; [L902] int tmp___2 ; [L905] splverifierCounter = 0 Loop: [L907] COND TRUE 1 [L909] COND TRUE splverifierCounter < 4 [L915] tmp = __VERIFIER_nondet_int() [L917] COND FALSE !(\read(tmp)) [L925] tmp___0 = __VERIFIER_nondet_int() [L927] COND FALSE !(\read(tmp___0)) [L935] tmp___2 = __VERIFIER_nondet_int() [L937] COND TRUE \read(tmp___2) [L939] CALL startSystem() [L857] RET systemActive = 1 [L939] startSystem() [L952] CALL timeShift() [L681] CALL __utac_acc__Specification5_spec__2() [L171] CALL, EXPR isPumpRunning() [L790] int retValue_acc ; [L793] retValue_acc = pumpRunning [L794] RET return (retValue_acc); [L171] EXPR isPumpRunning() [L171] RET switchedOnBeforeTS = isPumpRunning() [L681] __utac_acc__Specification5_spec__2() [L683] COND FALSE !(\read(pumpRunning)) [L690] COND TRUE \read(systemActive) [L692] CALL processEnvironment() [L738] int tmp ; [L741] COND FALSE !(\read(pumpRunning)) [L756] CALL processEnvironment__wrappee__highWaterSensor() [L712] int tmp ; [L715] COND TRUE ! pumpRunning [L717] CALL, EXPR isHighWaterLevel() [L835] int retValue_acc ; [L836] int tmp ; [L837] int tmp___0 ; [L841] CALL, EXPR isHighWaterSensorDry() [L656] int retValue_acc ; [L659] COND TRUE waterLevel < 2 [L660] retValue_acc = 1 [L661] RET return (retValue_acc); [L841] EXPR isHighWaterSensorDry() [L841] tmp = isHighWaterSensorDry() [L843] COND TRUE \read(tmp) [L844] tmp___0 = 0 [L848] retValue_acc = tmp___0 [L849] RET return (retValue_acc); [L717] EXPR isHighWaterLevel() [L717] tmp = isHighWaterLevel() [L719] COND FALSE !(\read(tmp)) [L725] RET, FCALL processEnvironment__wrappee__base() [L756] RET processEnvironment__wrappee__highWaterSensor() [L692] processEnvironment() [L698] CALL __utac_acc__Specification5_spec__3() [L177] int tmp ; [L178] int tmp___0 ; [L182] CALL, EXPR getWaterLevel() [L647] int retValue_acc ; [L650] retValue_acc = waterLevel [L651] RET return (retValue_acc); [L182] EXPR getWaterLevel() [L182] tmp = getWaterLevel() [L184] COND TRUE tmp != 2 [L186] CALL, EXPR isPumpRunning() [L790] int retValue_acc ; [L793] retValue_acc = pumpRunning [L794] RET return (retValue_acc); [L186] EXPR isPumpRunning() [L186] tmp___0 = isPumpRunning() [L188] COND FALSE, RET !(\read(tmp___0)) [L698] RET __utac_acc__Specification5_spec__3() [L952] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...