./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product34_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_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/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 ae55322c9e2147e3768d03287d4758f350a7d088 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:59:57,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:59:57,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:59:57,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:59:57,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:59:57,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:59:57,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:59:57,336 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:59:57,337 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:59:57,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:59:57,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:59:57,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:59:57,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:59:57,341 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:59:57,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:59:57,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:59:57,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:59:57,344 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:59:57,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:59:57,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:59:57,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:59:57,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:59:57,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:59:57,351 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:59:57,351 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:59:57,351 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:59:57,352 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:59:57,353 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:59:57,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:59:57,354 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:59:57,355 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:59:57,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:59:57,355 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:59:57,355 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:59:57,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:59:57,357 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:59:57,357 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:59:57,368 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:59:57,368 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:59:57,369 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:59:57,370 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:59:57,370 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:59:57,370 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:59:57,370 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:59:57,370 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:59:57,370 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:59:57,370 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:59:57,371 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:59:57,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:59:57,371 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:59:57,371 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:59:57,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:59:57,371 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:59:57,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:59:57,372 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:59:57,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:59:57,372 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:59:57,372 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:59:57,372 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:59:57,372 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:59:57,372 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:59:57,373 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:59:57,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:59:57,373 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:59:57,373 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:59:57,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:59:57,373 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:59:57,374 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:59:57,374 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:59:57,374 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_249b45d9-1328-4425-96d7-8801e1f39d3e/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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2018-11-18 10:59:57,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:59:57,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:59:57,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:59:57,413 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:59:57,413 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:59:57,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-18 10:59:57,452 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/data/8da6ca084/0bf7cc9109e14fe19def155c420bcfa3/FLAG1b4663af3 [2018-11-18 10:59:57,824 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:59:57,825 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/sv-benchmarks/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-18 10:59:57,833 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/data/8da6ca084/0bf7cc9109e14fe19def155c420bcfa3/FLAG1b4663af3 [2018-11-18 10:59:58,211 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/data/8da6ca084/0bf7cc9109e14fe19def155c420bcfa3 [2018-11-18 10:59:58,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:59:58,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:59:58,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:59:58,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:59:58,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:59:58,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58, skipping insertion in model container [2018-11-18 10:59:58,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:59:58,254 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:59:58,445 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:59:58,453 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:59:58,558 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:59:58,575 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:59:58,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58 WrapperNode [2018-11-18 10:59:58,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:59:58,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:59:58,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:59:58,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:59:58,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:59:58,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:59:58,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:59:58,622 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:59:58,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... [2018-11-18 10:59:58,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:59:58,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:59:58,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:59:58,648 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:59:58,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/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 10:59:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:59:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:59:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:59:59,156 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:59:59,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:59:59 BoogieIcfgContainer [2018-11-18 10:59:59,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:59:59,157 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:59:59,157 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:59:59,159 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:59:59,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:59:59,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:59:58" (1/3) ... [2018-11-18 10:59:59,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b67c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:59:59, skipping insertion in model container [2018-11-18 10:59:59,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:59:59,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:59:58" (2/3) ... [2018-11-18 10:59:59,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b67c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:59:59, skipping insertion in model container [2018-11-18 10:59:59,162 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:59:59,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:59:59" (3/3) ... [2018-11-18 10:59:59,164 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-11-18 10:59:59,204 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:59:59,205 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:59:59,205 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:59:59,205 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:59:59,205 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:59:59,205 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:59:59,205 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:59:59,205 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:59:59,205 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:59:59,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2018-11-18 10:59:59,236 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-18 10:59:59,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:59:59,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:59:59,242 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:59:59,242 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 10:59:59,243 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:59:59,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2018-11-18 10:59:59,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-18 10:59:59,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:59:59,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:59:59,248 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:59:59,248 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 10:59:59,251 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);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~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.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];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 15#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 78#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 10#L73true main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret72;havoc main_#t~ret72; 86#L925true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 53#L901true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 69#L799true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 84#L567-3true [2018-11-18 10:59:59,252 INFO L796 eck$LassoCheckResult]: Loop: 84#L567-3true assume true; 91#L567-1true assume !false; 29#L568true assume test_~splverifierCounter~0 < 4; 112#L569true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 7#L577true assume !(0 != test_~tmp~3); 11#L577-2true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 65#L587true assume !(0 != test_~tmp___0~0); 44#L587-2true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 108#L597true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 9#L789true assume { :end_inline_startSystem } true; 111#L605-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 39#L725true __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 95#L809true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 19#L640true assume !(0 != ~pumpRunning~0); 13#L640-2true assume !(0 != ~systemActive~0); 88#L647-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 33#L535true __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 94#L820true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 97#L820-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 118#L657true assume { :end_inline_timeShift } true; 84#L567-3true [2018-11-18 10:59:59,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:59,257 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:59:59,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:59:59,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:59:59,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:59,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:59:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:59:59,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:59,405 INFO L82 PathProgramCache]: Analyzing trace with hash -510309541, now seen corresponding path program 1 times [2018-11-18 10:59:59,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:59:59,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:59:59,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:59,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:59:59,445 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 10:59:59,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:59:59,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:59:59,449 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:59:59,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:59:59,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:59:59,459 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 3 states. [2018-11-18 10:59:59,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:59:59,499 INFO L93 Difference]: Finished difference Result 115 states and 147 transitions. [2018-11-18 10:59:59,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:59:59,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 147 transitions. [2018-11-18 10:59:59,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 10:59:59,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 105 states and 136 transitions. [2018-11-18 10:59:59,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 105 [2018-11-18 10:59:59,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 105 [2018-11-18 10:59:59,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 136 transitions. [2018-11-18 10:59:59,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:59:59,512 INFO L705 BuchiCegarLoop]: Abstraction has 105 states and 136 transitions. [2018-11-18 10:59:59,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 136 transitions. [2018-11-18 10:59:59,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-18 10:59:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-18 10:59:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 136 transitions. [2018-11-18 10:59:59,535 INFO L728 BuchiCegarLoop]: Abstraction has 105 states and 136 transitions. [2018-11-18 10:59:59,535 INFO L608 BuchiCegarLoop]: Abstraction has 105 states and 136 transitions. [2018-11-18 10:59:59,535 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:59:59,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 136 transitions. [2018-11-18 10:59:59,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 10:59:59,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:59:59,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:59:59,538 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:59:59,538 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:59:59,538 INFO L794 eck$LassoCheckResult]: Stem: 340#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);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~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.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];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 261#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 262#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 268#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 258#L73 main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret72;havoc main_#t~ret72; 259#L925 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 320#L901 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 321#L799 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 330#L567-3 [2018-11-18 10:59:59,538 INFO L796 eck$LassoCheckResult]: Loop: 330#L567-3 assume true; 337#L567-1 assume !false; 290#L568 assume test_~splverifierCounter~0 < 4; 291#L569 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 251#L577 assume !(0 != test_~tmp~3); 253#L577-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 260#L587 assume !(0 != test_~tmp___0~0); 311#L587-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 312#L597 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 256#L789 assume { :end_inline_startSystem } true; 257#L605-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 304#L725 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 305#L809 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 273#L640 assume !(0 != ~pumpRunning~0); 263#L640-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 264#L672 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 325#L664-1 assume { :end_inline_processEnvironment__wrappee__base } true; 270#L672-1 assume { :end_inline_processEnvironment } true; 336#L647-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 295#L535 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 296#L820 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 292#L820-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 341#L657 assume { :end_inline_timeShift } true; 330#L567-3 [2018-11-18 10:59:59,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:59,539 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:59:59,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:59:59,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:59:59,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:59,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:59:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:59:59,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:59,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1538281055, now seen corresponding path program 1 times [2018-11-18 10:59:59,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:59:59,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:59:59,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,593 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:59:59,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:59:59,615 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 10:59:59,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:59:59,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:59:59,616 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:59:59,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:59:59,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:59:59,617 INFO L87 Difference]: Start difference. First operand 105 states and 136 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-11-18 10:59:59,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:59:59,692 INFO L93 Difference]: Finished difference Result 169 states and 213 transitions. [2018-11-18 10:59:59,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:59:59,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 213 transitions. [2018-11-18 10:59:59,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2018-11-18 10:59:59,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 213 transitions. [2018-11-18 10:59:59,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2018-11-18 10:59:59,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2018-11-18 10:59:59,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 213 transitions. [2018-11-18 10:59:59,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:59:59,699 INFO L705 BuchiCegarLoop]: Abstraction has 169 states and 213 transitions. [2018-11-18 10:59:59,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 213 transitions. [2018-11-18 10:59:59,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-11-18 10:59:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-18 10:59:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 213 transitions. [2018-11-18 10:59:59,707 INFO L728 BuchiCegarLoop]: Abstraction has 169 states and 213 transitions. [2018-11-18 10:59:59,707 INFO L608 BuchiCegarLoop]: Abstraction has 169 states and 213 transitions. [2018-11-18 10:59:59,707 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:59:59,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 213 transitions. [2018-11-18 10:59:59,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2018-11-18 10:59:59,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:59:59,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:59:59,709 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:59:59,709 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:59:59,710 INFO L794 eck$LassoCheckResult]: Stem: 629#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);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~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.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];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 541#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 542#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 547#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 538#L73 main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret72;havoc main_#t~ret72; 539#L925 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 605#L901 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 606#L799 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 618#L567-3 [2018-11-18 10:59:59,710 INFO L796 eck$LassoCheckResult]: Loop: 618#L567-3 assume true; 675#L567-1 assume !false; 674#L568 assume test_~splverifierCounter~0 < 4; 635#L569 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 531#L577 assume !(0 != test_~tmp~3); 533#L577-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 540#L587 assume !(0 != test_~tmp___0~0); 594#L587-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 595#L597 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 536#L789 assume { :end_inline_startSystem } true; 537#L605-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 585#L725 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 586#L809 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 551#L640 assume !(0 != ~pumpRunning~0); 543#L640-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 544#L672 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 619#L543 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 620#L548 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 622#L774 assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; 608#L774-2 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 577#L780 processEnvironment_#t~ret50 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; 522#L676 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 524#L664 assume { :end_inline_processEnvironment__wrappee__base } true; 611#L672-1 assume { :end_inline_processEnvironment } true; 690#L647-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 689#L535 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 684#L820 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 680#L820-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 676#L657 assume { :end_inline_timeShift } true; 618#L567-3 [2018-11-18 10:59:59,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:59,710 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:59:59,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:59:59,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:59:59,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:59:59,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:59:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:59:59,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:59:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash -424456373, now seen corresponding path program 1 times [2018-11-18 10:59:59,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:59:59,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:59:59,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,757 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:59:59,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:59:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:59:59,823 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 10:59:59,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:59:59,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:59:59,824 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:59:59,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:59:59,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:59:59,825 INFO L87 Difference]: Start difference. First operand 169 states and 213 transitions. cyclomatic complexity: 46 Second operand 5 states. [2018-11-18 11:00:00,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:00:00,048 INFO L93 Difference]: Finished difference Result 661 states and 828 transitions. [2018-11-18 11:00:00,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:00:00,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 661 states and 828 transitions. [2018-11-18 11:00:00,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 465 [2018-11-18 11:00:00,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 661 states to 661 states and 828 transitions. [2018-11-18 11:00:00,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 661 [2018-11-18 11:00:00,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 661 [2018-11-18 11:00:00,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 661 states and 828 transitions. [2018-11-18 11:00:00,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:00:00,061 INFO L705 BuchiCegarLoop]: Abstraction has 661 states and 828 transitions. [2018-11-18 11:00:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states and 828 transitions. [2018-11-18 11:00:00,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 327. [2018-11-18 11:00:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-11-18 11:00:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 406 transitions. [2018-11-18 11:00:00,077 INFO L728 BuchiCegarLoop]: Abstraction has 327 states and 406 transitions. [2018-11-18 11:00:00,077 INFO L608 BuchiCegarLoop]: Abstraction has 327 states and 406 transitions. [2018-11-18 11:00:00,077 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 11:00:00,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 327 states and 406 transitions. [2018-11-18 11:00:00,079 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 238 [2018-11-18 11:00:00,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:00:00,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:00:00,080 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:00:00,080 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 11:00:00,080 INFO L794 eck$LassoCheckResult]: Stem: 1495#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);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~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.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];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1390#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1391#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1396#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1387#L73 main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret72;havoc main_#t~ret72; 1388#L925 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1460#L901 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1461#L799 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1478#L567-3 [2018-11-18 11:00:00,081 INFO L796 eck$LassoCheckResult]: Loop: 1478#L567-3 assume true; 1520#L567-1 assume !false; 1521#L568 assume test_~splverifierCounter~0 < 4; 1642#L569 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 1690#L577 assume !(0 != test_~tmp~3); 1688#L577-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 1686#L587 assume !(0 != test_~tmp___0~0); 1684#L587-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 1683#L597 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1681#L789 assume { :end_inline_startSystem } true; 1680#L605-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 1679#L725 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 1678#L809 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1400#L640 assume !(0 != ~pumpRunning~0); 1392#L640-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1393#L672 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 1476#L543 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 1477#L548 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 1480#L774 assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~1 := 1; 1464#L774-2 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 1427#L780 processEnvironment_#t~ret50 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; 1371#L676 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 1373#L664 assume { :end_inline_processEnvironment__wrappee__base } true; 1467#L672-1 assume { :end_inline_processEnvironment } true; 1541#L647-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 1540#L535 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 1492#L820 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 1493#L725-1 __utac_acc__Specification5_spec__3_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 1536#L824 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1643#L820-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1527#L657 assume { :end_inline_timeShift } true; 1478#L567-3 [2018-11-18 11:00:00,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:00:00,081 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 11:00:00,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:00:00,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:00:00,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:00:00,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:00:00,116 INFO L82 PathProgramCache]: Analyzing trace with hash 100220262, now seen corresponding path program 1 times [2018-11-18 11:00:00,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:00:00,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:00:00,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,117 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:00:00,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:00:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:00:00,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:00:00,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:00:00,141 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:00:00,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:00:00,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:00:00,141 INFO L87 Difference]: Start difference. First operand 327 states and 406 transitions. cyclomatic complexity: 81 Second operand 4 states. [2018-11-18 11:00:00,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:00:00,191 INFO L93 Difference]: Finished difference Result 574 states and 708 transitions. [2018-11-18 11:00:00,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:00:00,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 574 states and 708 transitions. [2018-11-18 11:00:00,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 426 [2018-11-18 11:00:00,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 574 states to 574 states and 708 transitions. [2018-11-18 11:00:00,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 574 [2018-11-18 11:00:00,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 574 [2018-11-18 11:00:00,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 574 states and 708 transitions. [2018-11-18 11:00:00,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:00:00,197 INFO L705 BuchiCegarLoop]: Abstraction has 574 states and 708 transitions. [2018-11-18 11:00:00,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states and 708 transitions. [2018-11-18 11:00:00,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 333. [2018-11-18 11:00:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-11-18 11:00:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 412 transitions. [2018-11-18 11:00:00,209 INFO L728 BuchiCegarLoop]: Abstraction has 333 states and 412 transitions. [2018-11-18 11:00:00,209 INFO L608 BuchiCegarLoop]: Abstraction has 333 states and 412 transitions. [2018-11-18 11:00:00,209 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 11:00:00,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 333 states and 412 transitions. [2018-11-18 11:00:00,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 242 [2018-11-18 11:00:00,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:00:00,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:00:00,211 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:00:00,212 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 11:00:00,212 INFO L794 eck$LassoCheckResult]: Stem: 2410#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);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~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);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~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.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];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 2302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 2303#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2308#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 2298#L73 main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret72;havoc main_#t~ret72; 2299#L925 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 2372#L901 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2373#L799 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2386#L567-3 [2018-11-18 11:00:00,212 INFO L796 eck$LassoCheckResult]: Loop: 2386#L567-3 assume true; 2403#L567-1 assume !false; 2405#L568 assume test_~splverifierCounter~0 < 4; 2564#L569 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 2598#L577 assume !(0 != test_~tmp~3); 2300#L577-2 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 2301#L587 assume !(0 != test_~tmp___0~0); 2358#L587-2 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 2359#L597 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet49;havoc test_#t~nondet49; 2417#L605 assume 0 != test_~tmp___1~0; 2297#L605-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 2352#L725 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 2353#L809 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2314#L640 assume !(0 != ~pumpRunning~0); 2315#L640-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 2530#L672 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 2387#L543 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 2388#L548 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 2395#L774 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 2376#L774-2 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 2340#L780 processEnvironment_#t~ret50 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret50;havoc processEnvironment_#t~ret50; 2282#L676 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 2284#L664 assume { :end_inline_processEnvironment__wrappee__base } true; 2379#L672-1 assume { :end_inline_processEnvironment } true; 2402#L647-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 2338#L535 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 2339#L820 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 2319#L725-1 __utac_acc__Specification5_spec__3_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 2320#L824 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 2331#L820-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2409#L657 assume { :end_inline_timeShift } true; 2386#L567-3 [2018-11-18 11:00:00,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:00:00,212 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2018-11-18 11:00:00,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:00:00,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:00:00,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:00:00,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:00:00,241 INFO L82 PathProgramCache]: Analyzing trace with hash -229229949, now seen corresponding path program 1 times [2018-11-18 11:00:00,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:00:00,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:00:00,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,242 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:00:00,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:00:00,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1041270150, now seen corresponding path program 1 times [2018-11-18 11:00:00,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:00:00,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:00:00,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:00:00,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:00:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:00:00,422 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2018-11-18 11:00:56,935 WARN L180 SmtUtils]: Spent 56.46 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 11:01:21,715 WARN L180 SmtUtils]: Spent 24.78 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 11:01:21,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:01:21 BoogieIcfgContainer [2018-11-18 11:01:21,784 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:01:21,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:01:21,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:01:21,785 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:01:21,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:59:59" (3/4) ... [2018-11-18 11:01:21,787 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:01:21,832 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_249b45d9-1328-4425-96d7-8801e1f39d3e/bin-2019/uautomizer/witness.graphml [2018-11-18 11:01:21,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:01:21,833 INFO L168 Benchmark]: Toolchain (without parser) took 83619.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.1 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -247.6 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:01:21,833 INFO L168 Benchmark]: CDTParser took 0.12 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 11:01:21,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:01:21,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:01:21,834 INFO L168 Benchmark]: Boogie Preprocessor took 26.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:01:21,834 INFO L168 Benchmark]: RCFGBuilder took 509.11 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: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:01:21,835 INFO L168 Benchmark]: BuchiAutomizer took 82627.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.6 MB). Peak memory consumption was 337.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:01:21,835 INFO L168 Benchmark]: Witness Printer took 47.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:01:21,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 509.11 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: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 82627.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.6 MB). Peak memory consumption was 337.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 333 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 82.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 82.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 575 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 333 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 701 SDtfs, 1051 SDslu, 931 SDs, 0 SdLazy, 157 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 567]: 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"=33, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@534dfce8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@600a16a0=156, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cc09f5a=0, "CRIT"=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df2649e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bb5f595=0, "On"=0, "Off"=37, "OK"=0, methaneLevelCritical=0, "Env(Water:%i"=24, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66d2a6b4=0, tmp___0=0, tmp=0, ") "=0, "CRIT"=27, "__utac__get_this_argtype"=23, "\n"=0, tmp___1=156, "libacc.c"=18, "libacc.c"=15, "libacc.c"=11, "i > 0 && i <= this->argsCount"=17, ",Meth:"=26, cleanupTimeShifts=4, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=20, ")"=29, \result=0, "Pump(System:"=31, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "__utac__get_this_argtype"=0, \result=0, tmp___0=0, "On"=0, "Off"=0, retValue_acc=0, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@719055f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@659f456d=0, "Off"=34, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43e599bd=0, "__utac__get_this_arg"=12, "i > 0 && i <= this->argsCount"=0, tmp=1, "__utac__get_this_argtype"=0, \result=1, "\n"=39, "On"=36, "i > 0 && i <= this->argsCount"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f9153da=0, retValue_acc=0, retValue_acc=1, retValue_acc=1, tmp___2=0, tmp=1, "__utac__get_this_argtype"=19, splverifierCounter=0, ",Pump:"=0, ",Pump:"=35, head=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=16, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=8, "libacc.c"=0, "libacc.c"=22, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "OK"=28, retValue_acc=0, ") "=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 567]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L384] FCALL "i > 0 && i <= this->argsCount" [L384] FCALL "libacc.c" [L385] FCALL "__utac__get_this_arg" [L391] FCALL "i > 0 && i <= this->argsCount" [L391] FCALL "libacc.c" [L392] FCALL "__utac__get_this_arg" [L430] FCALL "i > 0 && i <= this->argsCount" [L430] FCALL "libacc.c" [L431] FCALL "__utac__get_this_argtype" [L437] FCALL "i > 0 && i <= this->argsCount" [L437] FCALL "libacc.c" [L438] FCALL "__utac__get_this_argtype" [L512] FCALL "Env(Water:%i" [L513] FCALL ",Meth:" [L517] FCALL "CRIT" [L521] FCALL "OK" [L525] FCALL ")" [L734] FCALL "Pump(System:" [L738] FCALL "On" [L742] FCALL "Off" [L746] FCALL ",Pump:" [L750] FCALL "On" [L754] FCALL "Off" [L758] FCALL ") " [L760] FCALL "\n" [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L628] int pumpRunning = 0; [L629] int systemActive = 1; [L793] int switchedOnBeforeTS ; [L842] int cleanupTimeShifts = 4; [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L923] EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L909] CALL __utac_acc__Specification5_spec__1() [L798] RET switchedOnBeforeTS = 0 [L909] __utac_acc__Specification5_spec__1() [L910] CALL test() [L558] int splverifierCounter ; [L559] int tmp ; [L560] int tmp___0 ; [L561] int tmp___1 ; [L562] int tmp___2 ; [L565] splverifierCounter = 0 Loop: [L567] COND TRUE 1 [L569] COND TRUE splverifierCounter < 4 [L575] tmp = __VERIFIER_nondet_int() [L577] COND FALSE !(\read(tmp)) [L585] tmp___0 = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp___0)) [L595] tmp___2 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___2)) [L603] tmp___1 = __VERIFIER_nondet_int() [L605] COND TRUE \read(tmp___1) [L612] CALL timeShift() [L638] CALL __utac_acc__Specification5_spec__2() [L807] CALL, EXPR isPumpRunning() [L721] int retValue_acc ; [L724] retValue_acc = pumpRunning [L725] RET return (retValue_acc); [L807] EXPR isPumpRunning() [L807] RET switchedOnBeforeTS = isPumpRunning() [L638] __utac_acc__Specification5_spec__2() [L640] COND FALSE !(\read(pumpRunning)) [L647] COND TRUE \read(systemActive) [L649] CALL processEnvironment() [L669] int tmp ; [L672] COND TRUE ! pumpRunning [L674] CALL, EXPR isHighWaterLevel() [L766] int retValue_acc ; [L767] int tmp ; [L768] int tmp___0 ; [L772] CALL, EXPR isHighWaterSensorDry() [L540] int retValue_acc ; [L543] COND TRUE waterLevel < 2 [L544] retValue_acc = 1 [L545] RET return (retValue_acc); [L772] EXPR isHighWaterSensorDry() [L772] tmp = isHighWaterSensorDry() [L774] COND TRUE \read(tmp) [L775] tmp___0 = 0 [L779] retValue_acc = tmp___0 [L780] RET return (retValue_acc); [L674] EXPR isHighWaterLevel() [L674] tmp = isHighWaterLevel() [L676] COND FALSE !(\read(tmp)) [L682] RET, FCALL processEnvironment__wrappee__base() [L649] processEnvironment() [L655] CALL __utac_acc__Specification5_spec__3() [L813] int tmp ; [L814] int tmp___0 ; [L818] CALL, EXPR getWaterLevel() [L531] int retValue_acc ; [L534] retValue_acc = waterLevel [L535] RET return (retValue_acc); [L818] EXPR getWaterLevel() [L818] tmp = getWaterLevel() [L820] COND TRUE tmp != 2 [L822] CALL, EXPR isPumpRunning() [L721] int retValue_acc ; [L724] retValue_acc = pumpRunning [L725] RET return (retValue_acc); [L822] EXPR isPumpRunning() [L822] tmp___0 = isPumpRunning() [L824] COND FALSE, RET !(\read(tmp___0)) [L655] RET __utac_acc__Specification5_spec__3() [L612] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...