./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-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_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/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 49fa497f38e3a46185ee804b3f30fdc119cb200c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:51:27,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:51:27,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:51:27,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:51:27,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:51:27,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:51:27,265 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:51:27,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:51:27,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:51:27,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:51:27,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:51:27,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:51:27,269 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:51:27,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:51:27,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:51:27,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:51:27,271 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:51:27,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:51:27,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:51:27,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:51:27,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:51:27,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:51:27,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:51:27,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:51:27,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:51:27,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:51:27,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:51:27,279 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:51:27,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:51:27,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:51:27,280 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:51:27,281 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:51:27,281 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:51:27,281 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:51:27,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:51:27,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:51:27,282 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:51:27,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:51:27,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:51:27,293 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:51:27,293 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:51:27,294 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:51:27,294 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:51:27,294 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:51:27,294 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:51:27,294 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:51:27,294 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:51:27,294 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:51:27,295 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:51:27,295 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:51:27,295 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:51:27,295 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:51:27,295 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:51:27,295 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:51:27,295 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:51:27,296 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:51:27,296 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:51:27,296 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:51:27,296 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:51:27,296 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:51:27,296 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:51:27,296 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:51:27,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:51:27,297 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:51:27,297 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:51:27,297 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:51:27,297 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:51:27,297 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:51:27,298 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:51:27,298 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_2327c9fc-1a04-44ae-9678-b0b0590806aa/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 -> 49fa497f38e3a46185ee804b3f30fdc119cb200c [2018-11-18 09:51:27,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:51:27,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:51:27,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:51:27,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:51:27,335 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:51:27,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-11-18 09:51:27,370 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/data/403d1fbaf/7d4bb872c4124632937d8e1015325891/FLAG9157ac6f3 [2018-11-18 09:51:27,802 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:51:27,803 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-11-18 09:51:27,812 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/data/403d1fbaf/7d4bb872c4124632937d8e1015325891/FLAG9157ac6f3 [2018-11-18 09:51:27,820 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/data/403d1fbaf/7d4bb872c4124632937d8e1015325891 [2018-11-18 09:51:27,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:51:27,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:51:27,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:51:27,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:51:27,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:51:27,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:51:27" (1/1) ... [2018-11-18 09:51:27,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:27, skipping insertion in model container [2018-11-18 09:51:27,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:51:27" (1/1) ... [2018-11-18 09:51:27,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:51:27,860 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:51:28,038 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:51:28,046 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:51:28,141 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:51:28,158 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:51:28,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28 WrapperNode [2018-11-18 09:51:28,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:51:28,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:51:28,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:51:28,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:51:28,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:51:28,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:51:28,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:51:28,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:51:28,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... [2018-11-18 09:51:28,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:51:28,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:51:28,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:51:28,229 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:51:28,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/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 09:51:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:51:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:51:28,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:51:28,744 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:51:28,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:51:28 BoogieIcfgContainer [2018-11-18 09:51:28,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:51:28,745 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:51:28,745 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:51:28,747 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:51:28,748 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:51:28,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:51:27" (1/3) ... [2018-11-18 09:51:28,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14b6127f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:51:28, skipping insertion in model container [2018-11-18 09:51:28,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:51:28,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:51:28" (2/3) ... [2018-11-18 09:51:28,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14b6127f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:51:28, skipping insertion in model container [2018-11-18 09:51:28,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:51:28,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:51:28" (3/3) ... [2018-11-18 09:51:28,751 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-11-18 09:51:28,782 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:51:28,783 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:51:28,783 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:51:28,783 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:51:28,783 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:51:28,783 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:51:28,783 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:51:28,783 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:51:28,783 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:51:28,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-18 09:51:28,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-18 09:51:28,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:51:28,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:51:28,825 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:28,825 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:28,825 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:51:28,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-18 09:51:28,829 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-18 09:51:28,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:51:28,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:51:28,830 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:28,830 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:28,833 INFO L794 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~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(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 44];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 80];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 117];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 109];#memory_int := #memory_int[#t~string56.base,4 + #t~string56.offset := 112];#memory_int := #memory_int[#t~string56.base,5 + #t~string56.offset := 58];#memory_int := #memory_int[#t~string56.base,6 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 41];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 32];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 10];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 38#L532true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L525true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 58#L540true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 5#L632true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 50#L606true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 101#L911true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 68#L837-3true [2018-11-18 09:51:28,834 INFO L796 eck$LassoCheckResult]: Loop: 68#L837-3true assume true; 63#L837-1true assume !false; 24#L838true assume test_~splverifierCounter~0 < 4; 106#L839true test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 118#L847true assume !(0 != test_~tmp~6); 114#L847-2true test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 29#L857true assume !(0 != test_~tmp___0~1); 32#L857-2true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 86#L867true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet69;havoc test_#t~nondet69; 104#L875true assume !(0 != test_~tmp___1~0); 96#L875-2true assume { :begin_inline_timeShift } true; 21#L659true assume !(0 != ~pumpRunning~0); 23#L659-2true assume !(0 != ~systemActive~0); 84#L666-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 111#L90true __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 100#L922true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 85#L922-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 3#L676true assume { :end_inline_timeShift } true; 68#L837-3true [2018-11-18 09:51:28,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:28,838 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:51:28,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:28,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:28,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:28,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:28,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1535132167, now seen corresponding path program 1 times [2018-11-18 09:51:29,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:29,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,016 INFO L82 PathProgramCache]: Analyzing trace with hash 195779760, now seen corresponding path program 1 times [2018-11-18 09:51:29,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:29,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:51:29,127 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 09:51:29,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:51:29,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:51:29,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:51:29,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:51:29,228 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 6 states. [2018-11-18 09:51:29,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:51:29,413 INFO L93 Difference]: Finished difference Result 390 states and 509 transitions. [2018-11-18 09:51:29,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:51:29,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 390 states and 509 transitions. [2018-11-18 09:51:29,422 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 254 [2018-11-18 09:51:29,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 390 states to 350 states and 469 transitions. [2018-11-18 09:51:29,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 350 [2018-11-18 09:51:29,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 350 [2018-11-18 09:51:29,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 350 states and 469 transitions. [2018-11-18 09:51:29,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:51:29,432 INFO L705 BuchiCegarLoop]: Abstraction has 350 states and 469 transitions. [2018-11-18 09:51:29,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states and 469 transitions. [2018-11-18 09:51:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 160. [2018-11-18 09:51:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-18 09:51:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 214 transitions. [2018-11-18 09:51:29,466 INFO L728 BuchiCegarLoop]: Abstraction has 160 states and 214 transitions. [2018-11-18 09:51:29,466 INFO L608 BuchiCegarLoop]: Abstraction has 160 states and 214 transitions. [2018-11-18 09:51:29,466 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:51:29,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 214 transitions. [2018-11-18 09:51:29,468 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 115 [2018-11-18 09:51:29,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:51:29,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:51:29,468 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:29,469 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] [2018-11-18 09:51:29,469 INFO L794 eck$LassoCheckResult]: Stem: 622#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~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(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 44];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 80];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 117];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 109];#memory_int := #memory_int[#t~string56.base,4 + #t~string56.offset := 112];#memory_int := #memory_int[#t~string56.base,5 + #t~string56.offset := 58];#memory_int := #memory_int[#t~string56.base,6 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 41];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 32];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 10];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 531#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 532#L532 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 583#L525 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 600#L540 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 528#L632 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 529#L606 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 591#L911 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 525#L837-3 [2018-11-18 09:51:29,469 INFO L796 eck$LassoCheckResult]: Loop: 525#L837-3 assume true; 605#L837-1 assume !false; 564#L838 assume test_~splverifierCounter~0 < 4; 565#L839 test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 625#L847 assume !(0 != test_~tmp~6); 534#L847-2 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 573#L857 assume !(0 != test_~tmp___0~1); 575#L857-2 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 577#L867 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 615#L823 assume { :end_inline_startSystem } true; 618#L875-2 assume { :begin_inline_timeShift } true; 557#L659 assume !(0 != ~pumpRunning~0); 558#L659-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 563#L691 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 610#L683-1 assume { :end_inline_processEnvironment__wrappee__base } true; 548#L691-1 assume { :end_inline_processEnvironment } true; 611#L666-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 614#L90 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 624#L922 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 555#L922-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 524#L676 assume { :end_inline_timeShift } true; 525#L837-3 [2018-11-18 09:51:29,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,470 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:51:29,470 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:29,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,513 INFO L82 PathProgramCache]: Analyzing trace with hash 364743658, now seen corresponding path program 1 times [2018-11-18 09:51:29,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,514 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:51:29,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:51:29,549 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 09:51:29,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:51:29,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:51:29,550 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:51:29,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:51:29,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:51:29,550 INFO L87 Difference]: Start difference. First operand 160 states and 214 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 09:51:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:51:29,608 INFO L93 Difference]: Finished difference Result 213 states and 274 transitions. [2018-11-18 09:51:29,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:51:29,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 274 transitions. [2018-11-18 09:51:29,610 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 157 [2018-11-18 09:51:29,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 213 states and 274 transitions. [2018-11-18 09:51:29,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 213 [2018-11-18 09:51:29,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 213 [2018-11-18 09:51:29,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 213 states and 274 transitions. [2018-11-18 09:51:29,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:51:29,612 INFO L705 BuchiCegarLoop]: Abstraction has 213 states and 274 transitions. [2018-11-18 09:51:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states and 274 transitions. [2018-11-18 09:51:29,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-11-18 09:51:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-18 09:51:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2018-11-18 09:51:29,618 INFO L728 BuchiCegarLoop]: Abstraction has 213 states and 274 transitions. [2018-11-18 09:51:29,618 INFO L608 BuchiCegarLoop]: Abstraction has 213 states and 274 transitions. [2018-11-18 09:51:29,618 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:51:29,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 213 states and 274 transitions. [2018-11-18 09:51:29,619 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 157 [2018-11-18 09:51:29,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:51:29,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:51:29,620 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:29,620 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] [2018-11-18 09:51:29,620 INFO L794 eck$LassoCheckResult]: Stem: 1014#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~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(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 44];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 80];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 117];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 109];#memory_int := #memory_int[#t~string56.base,4 + #t~string56.offset := 112];#memory_int := #memory_int[#t~string56.base,5 + #t~string56.offset := 58];#memory_int := #memory_int[#t~string56.base,6 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 41];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 32];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 10];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 910#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 911#L532 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 965#L525 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 985#L540 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 907#L632 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 908#L606 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 974#L911 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 904#L837-3 [2018-11-18 09:51:29,620 INFO L796 eck$LassoCheckResult]: Loop: 904#L837-3 assume true; 990#L837-1 assume !false; 943#L838 assume test_~splverifierCounter~0 < 4; 944#L839 test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 1095#L847 assume !(0 != test_~tmp~6); 1023#L847-2 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 952#L857 assume !(0 != test_~tmp___0~1); 954#L857-2 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 957#L867 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet69;havoc test_#t~nondet69; 1017#L875 assume !(0 != test_~tmp___1~0); 1007#L875-2 assume { :begin_inline_timeShift } true; 937#L659 assume !(0 != ~pumpRunning~0); 938#L659-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 942#L691 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret65, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 986#L130 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 987#L135 isHighWaterLevel_#t~ret65 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret65;havoc isHighWaterLevel_#t~ret65; 991#L793 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~0 := 0; 992#L793-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 971#L799 processEnvironment_#t~ret47 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret47;havoc processEnvironment_#t~ret47; 928#L695 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 929#L683 assume { :end_inline_processEnvironment__wrappee__base } true; 995#L691-1 assume { :end_inline_processEnvironment } true; 997#L666-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1089#L90 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 1016#L922 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 935#L922-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 903#L676 assume { :end_inline_timeShift } true; 904#L837-3 [2018-11-18 09:51:29,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,621 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:51:29,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:29,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1090748890, now seen corresponding path program 1 times [2018-11-18 09:51:29,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,655 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:51:29,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:51:29,692 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 09:51:29,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:51:29,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:51:29,692 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:51:29,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:51:29,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:51:29,693 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. cyclomatic complexity: 64 Second operand 4 states. [2018-11-18 09:51:29,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:51:29,744 INFO L93 Difference]: Finished difference Result 611 states and 782 transitions. [2018-11-18 09:51:29,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:51:29,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 611 states and 782 transitions. [2018-11-18 09:51:29,748 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 463 [2018-11-18 09:51:29,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 611 states to 611 states and 782 transitions. [2018-11-18 09:51:29,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 611 [2018-11-18 09:51:29,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 611 [2018-11-18 09:51:29,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 611 states and 782 transitions. [2018-11-18 09:51:29,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:51:29,753 INFO L705 BuchiCegarLoop]: Abstraction has 611 states and 782 transitions. [2018-11-18 09:51:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states and 782 transitions. [2018-11-18 09:51:29,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 219. [2018-11-18 09:51:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-18 09:51:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 280 transitions. [2018-11-18 09:51:29,764 INFO L728 BuchiCegarLoop]: Abstraction has 219 states and 280 transitions. [2018-11-18 09:51:29,764 INFO L608 BuchiCegarLoop]: Abstraction has 219 states and 280 transitions. [2018-11-18 09:51:29,764 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 09:51:29,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 280 transitions. [2018-11-18 09:51:29,765 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 161 [2018-11-18 09:51:29,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:51:29,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:51:29,767 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:29,767 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:29,767 INFO L794 eck$LassoCheckResult]: Stem: 1858#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~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(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 44];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 80];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 117];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 109];#memory_int := #memory_int[#t~string56.base,4 + #t~string56.offset := 112];#memory_int := #memory_int[#t~string56.base,5 + #t~string56.offset := 58];#memory_int := #memory_int[#t~string56.base,6 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 41];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 32];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 10];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1744#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 1745#L532 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1798#L525 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 1823#L540 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 1741#L632 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 1742#L606 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1810#L911 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1738#L837-3 [2018-11-18 09:51:29,767 INFO L796 eck$LassoCheckResult]: Loop: 1738#L837-3 assume true; 1829#L837-1 assume !false; 1776#L838 assume test_~splverifierCounter~0 < 4; 1777#L839 test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 1872#L847 assume !(0 != test_~tmp~6); 1747#L847-2 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 1869#L857 assume !(0 != test_~tmp___0~1); 1950#L857-2 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 1949#L867 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1846#L823 assume { :end_inline_startSystem } true; 1849#L875-2 assume { :begin_inline_timeShift } true; 1769#L659 assume !(0 != ~pumpRunning~0); 1770#L659-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1839#L691 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret65, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1824#L130 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1825#L135 isHighWaterLevel_#t~ret65 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret65;havoc isHighWaterLevel_#t~ret65; 1830#L793 assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~0 := 1; 1831#L793-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 1807#L799 processEnvironment_#t~ret47 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret47;havoc processEnvironment_#t~ret47; 1761#L695 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 1762#L683 assume { :end_inline_processEnvironment__wrappee__base } true; 1837#L691-1 assume { :end_inline_processEnvironment } true; 1840#L666-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1933#L90 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 1860#L922 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 1767#L922-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1737#L676 assume { :end_inline_timeShift } true; 1738#L837-3 [2018-11-18 09:51:29,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,768 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 09:51:29,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:29,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,802 INFO L82 PathProgramCache]: Analyzing trace with hash -539330954, now seen corresponding path program 1 times [2018-11-18 09:51:29,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,803 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:51:29,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:51:29,841 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 09:51:29,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:51:29,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:51:29,842 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:51:29,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:51:29,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:51:29,843 INFO L87 Difference]: Start difference. First operand 219 states and 280 transitions. cyclomatic complexity: 64 Second operand 5 states. [2018-11-18 09:51:29,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:51:29,895 INFO L93 Difference]: Finished difference Result 486 states and 622 transitions. [2018-11-18 09:51:29,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:51:29,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 486 states and 622 transitions. [2018-11-18 09:51:29,897 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 369 [2018-11-18 09:51:29,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 486 states to 486 states and 622 transitions. [2018-11-18 09:51:29,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 486 [2018-11-18 09:51:29,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 486 [2018-11-18 09:51:29,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 486 states and 622 transitions. [2018-11-18 09:51:29,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:51:29,900 INFO L705 BuchiCegarLoop]: Abstraction has 486 states and 622 transitions. [2018-11-18 09:51:29,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states and 622 transitions. [2018-11-18 09:51:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 228. [2018-11-18 09:51:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-11-18 09:51:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 289 transitions. [2018-11-18 09:51:29,908 INFO L728 BuchiCegarLoop]: Abstraction has 228 states and 289 transitions. [2018-11-18 09:51:29,908 INFO L608 BuchiCegarLoop]: Abstraction has 228 states and 289 transitions. [2018-11-18 09:51:29,908 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 09:51:29,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 228 states and 289 transitions. [2018-11-18 09:51:29,910 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 167 [2018-11-18 09:51:29,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:51:29,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:51:29,910 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:51:29,910 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] [2018-11-18 09:51:29,911 INFO L794 eck$LassoCheckResult]: Stem: 2571#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~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(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 44];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 80];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 117];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 109];#memory_int := #memory_int[#t~string56.base,4 + #t~string56.offset := 112];#memory_int := #memory_int[#t~string56.base,5 + #t~string56.offset := 58];#memory_int := #memory_int[#t~string56.base,6 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 41];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 32];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 10];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2465#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 2466#L532 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2513#L525 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 2540#L540 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 2460#L632 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 2461#L606 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 2527#L911 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2574#L837-3 [2018-11-18 09:51:29,911 INFO L796 eck$LassoCheckResult]: Loop: 2574#L837-3 assume true; 2665#L837-1 assume !false; 2663#L838 assume test_~splverifierCounter~0 < 4; 2664#L839 test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; 2682#L847 assume !(0 != test_~tmp~6); 2680#L847-2 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 2678#L857 assume !(0 != test_~tmp___0~1); 2676#L857-2 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 2675#L867 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2562#L823 assume { :end_inline_startSystem } true; 2567#L875-2 assume { :begin_inline_timeShift } true; 2485#L659 assume !(0 != ~pumpRunning~0); 2486#L659-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 2490#L691 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret65, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 2541#L130 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 2543#L135 isHighWaterLevel_#t~ret65 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret65;havoc isHighWaterLevel_#t~ret65; 2552#L793 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~0 := 0; 2551#L793-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 2521#L799 processEnvironment_#t~ret47 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret47;havoc processEnvironment_#t~ret47; 2522#L695 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 2554#L683 assume { :end_inline_processEnvironment__wrappee__base } true; 2555#L691-1 assume { :end_inline_processEnvironment } true; 2557#L666-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 2672#L90 __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; 2670#L922 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 2667#L922-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 2666#L676 assume { :end_inline_timeShift } true; 2574#L837-3 [2018-11-18 09:51:29,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,911 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2018-11-18 09:51:29,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:29,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,941 INFO L82 PathProgramCache]: Analyzing trace with hash -653589518, now seen corresponding path program 1 times [2018-11-18 09:51:29,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,942 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:51:29,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:51:29,951 INFO L82 PathProgramCache]: Analyzing trace with hash -482814103, now seen corresponding path program 1 times [2018-11-18 09:51:29,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:51:29,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:51:29,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:51:29,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:51:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:51:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:33,988 WARN L180 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:53:13,901 WARN L180 SmtUtils]: Spent 39.91 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:53:13,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:53:13 BoogieIcfgContainer [2018-11-18 09:53:13,962 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:53:13,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:53:13,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:53:13,963 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:53:13,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:51:28" (3/4) ... [2018-11-18 09:53:13,965 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:53:14,016 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2327c9fc-1a04-44ae-9678-b0b0590806aa/bin-2019/uautomizer/witness.graphml [2018-11-18 09:53:14,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:53:14,017 INFO L168 Benchmark]: Toolchain (without parser) took 106195.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:14,018 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:53:14,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:14,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.48 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:14,019 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 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 09:53:14,019 INFO L168 Benchmark]: RCFGBuilder took 515.88 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: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:14,019 INFO L168 Benchmark]: BuchiAutomizer took 105217.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -60.5 MB). Peak memory consumption was 316.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:14,020 INFO L168 Benchmark]: Witness Printer took 54.21 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: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:14,022 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.48 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.92 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 515.88 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: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 105217.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -60.5 MB). Peak memory consumption was 316.3 MB. Max. memory is 11.5 GB. * Witness Printer took 54.21 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: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 6 locations. The remainder module has 228 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 105.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 104.6s. 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, 840 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 228 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 807 SDtfs, 1656 SDslu, 1813 SDs, 0 SdLazy, 153 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 837]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@734baaf1=0, NULL=0, retValue_acc=0, "\n"=0, ") "=0, "Env(Water:%i"=22, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "OK"=18, "Off"=0, "libacc.c"=28, retValue_acc=0, "__utac__get_this_argtype"=0, "\n"=38, ",Pump:"=34, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=29, tmp___0=0, "libacc.c"=23, "__utac__get_this_arg"=11, tmp=0, tmp___1=0, "libacc.c"=15, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_argtype"=27, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=12, "__utac__get_this_argtype"=24, "Pump(System:"=37, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38b28f9b=0, "libacc.c"=0, "On"=31, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57dc0fa8=0, "Off"=0, "On"=0, "Pump(System:"=0, "Off"=33, "On"=0, ",Pump:"=0, \result=1, head=0, pumpRunning=0, \result=0, "On"=36, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33ee786a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e048bb2=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@734ca3ae=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f18463b=151, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3151366e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d681652=0, \result=1, retValue_acc=1, retValue_acc=0, "CRIT"=19, tmp___2=151, tmp=1, "__utac__get_this_arg"=14, tmp___0=0, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, methAndRunningLastTime=0, \result=0, ")"=17, head=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=20, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=26, ") "=39, "Off"=35, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 837]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L438] FCALL "i > 0 && i <= this->argsCount" [L438] FCALL "libacc.c" [L439] FCALL "__utac__get_this_arg" [L445] FCALL "i > 0 && i <= this->argsCount" [L445] FCALL "libacc.c" [L446] FCALL "__utac__get_this_arg" [L484] FCALL "i > 0 && i <= this->argsCount" [L484] FCALL "libacc.c" [L485] FCALL "__utac__get_this_argtype" [L491] FCALL "i > 0 && i <= this->argsCount" [L491] FCALL "libacc.c" [L492] FCALL "__utac__get_this_argtype" [L753] FCALL "Pump(System:" [L757] FCALL "On" [L761] FCALL "Off" [L765] FCALL ",Pump:" [L769] FCALL "On" [L773] FCALL "Off" [L777] FCALL ") " [L779] FCALL "\n" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int retValue_acc ; [L624] int tmp ; [L628] FCALL select_helpers() [L629] FCALL select_features() [L630] CALL, EXPR valid_product() [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] RET return (retValue_acc); [L630] EXPR valid_product() [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L634] FCALL setup() [L635] CALL runTest() [L616] CALL __utac_acc__Specification2_spec__1() [L910] RET methAndRunningLastTime = 0 [L616] __utac_acc__Specification2_spec__1() [L617] CALL test() [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 Loop: [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L869] CALL startSystem() [L822] RET systemActive = 1 [L869] startSystem() [L884] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] CALL processEnvironment() [L688] int tmp ; [L691] COND TRUE ! pumpRunning [L693] CALL, EXPR isHighWaterLevel() [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; [L791] CALL, EXPR isHighWaterSensorDry() [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] RET return (retValue_acc); [L791] EXPR isHighWaterSensorDry() [L791] tmp = isHighWaterSensorDry() [L793] COND TRUE \read(tmp) [L794] tmp___0 = 0 [L798] retValue_acc = tmp___0 [L799] RET return (retValue_acc); [L693] EXPR isHighWaterLevel() [L693] tmp = isHighWaterLevel() [L695] COND FALSE !(\read(tmp)) [L701] RET, FCALL processEnvironment__wrappee__base() [L668] processEnvironment() [L674] CALL __utac_acc__Specification2_spec__2() [L915] int tmp ; [L916] int tmp___0 ; [L920] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] RET return (retValue_acc); [L920] EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND FALSE !(\read(tmp)) [L938] RET methAndRunningLastTime = 0 [L674] RET __utac_acc__Specification2_spec__2() [L884] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...