./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/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 210feffc8ddd7d7862cfab969b7a82589a978274 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 11:31:20,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:31:20,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:31:20,255 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:31:20,255 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:31:20,256 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:31:20,257 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:31:20,258 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:31:20,259 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:31:20,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:31:20,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:31:20,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:31:20,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:31:20,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:31:20,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:31:20,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:31:20,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:31:20,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:31:20,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:31:20,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:31:20,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:31:20,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:31:20,270 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:31:20,270 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:31:20,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:31:20,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:31:20,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:31:20,272 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:31:20,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:31:20,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:31:20,274 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:31:20,274 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:31:20,274 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:31:20,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:31:20,275 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:31:20,276 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:31:20,276 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:31:20,286 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:31:20,286 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:31:20,287 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:31:20,287 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:31:20,288 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:31:20,288 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:31:20,288 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:31:20,288 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:31:20,288 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:31:20,288 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:31:20,288 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:31:20,289 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:31:20,289 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:31:20,290 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:31:20,290 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:31:20,290 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:31:20,290 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:31:20,290 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:31:20,290 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:31:20,290 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:31:20,290 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:31:20,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:31:20,291 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:31:20,291 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:31:20,291 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:31:20,291 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_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/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 -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2018-11-28 11:31:20,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:31:20,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:31:20,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:31:20,323 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:31:20,324 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:31:20,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-28 11:31:20,361 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/data/4a8bbb3db/0b157c99cea846ea813e8897875350bb/FLAGa2b5821a5 [2018-11-28 11:31:20,789 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:31:20,790 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-28 11:31:20,799 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/data/4a8bbb3db/0b157c99cea846ea813e8897875350bb/FLAGa2b5821a5 [2018-11-28 11:31:20,808 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/data/4a8bbb3db/0b157c99cea846ea813e8897875350bb [2018-11-28 11:31:20,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:31:20,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:31:20,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:31:20,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:31:20,814 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:31:20,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:20" (1/1) ... [2018-11-28 11:31:20,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b01c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:20, skipping insertion in model container [2018-11-28 11:31:20,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:20" (1/1) ... [2018-11-28 11:31:20,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:31:20,848 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:31:21,038 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:31:21,098 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:31:21,157 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:31:21,182 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:31:21,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21 WrapperNode [2018-11-28 11:31:21,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:31:21,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:31:21,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:31:21,183 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:31:21,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:31:21,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:31:21,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:31:21,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:31:21,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... [2018-11-28 11:31:21,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:31:21,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:31:21,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:31:21,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:31:21,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/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 [2018-11-28 11:31:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:31:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:31:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:31:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:31:21,923 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:31:21,923 INFO L280 CfgBuilder]: Removed 282 assue(true) statements. [2018-11-28 11:31:21,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:21 BoogieIcfgContainer [2018-11-28 11:31:21,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:31:21,924 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:31:21,924 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:31:21,926 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:31:21,927 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:31:21,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:31:20" (1/3) ... [2018-11-28 11:31:21,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25db77bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:31:21, skipping insertion in model container [2018-11-28 11:31:21,929 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:31:21,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:21" (2/3) ... [2018-11-28 11:31:21,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25db77bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:31:21, skipping insertion in model container [2018-11-28 11:31:21,929 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:31:21,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:21" (3/3) ... [2018-11-28 11:31:21,930 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-28 11:31:21,964 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:31:21,965 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:31:21,965 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:31:21,965 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:31:21,965 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:31:21,965 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:31:21,965 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:31:21,965 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:31:21,966 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:31:21,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-28 11:31:22,002 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-28 11:31:22,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:31:22,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:31:22,008 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,008 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,008 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:31:22,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-28 11:31:22,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-28 11:31:22,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:31:22,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:31:22,016 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,016 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,020 INFO L794 eck$LassoCheckResult]: Stem: 144#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 15#L-1true havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10; 22#L998true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 32#L1006true main_#t~ret63 := valid_product_#res;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 169#L850true assume 0 != main_~tmp~10; 77#L824true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 91#L747-1true [2018-11-28 11:31:22,020 INFO L796 eck$LassoCheckResult]: Loop: 91#L747-1true assume !false; 187#L679true assume test_~splverifierCounter~0 < 4; 129#L680true test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 149#L688true assume !(0 != test_~tmp~8); 151#L688-1true test_~tmp___0~2 := test_#t~nondet58;havoc test_#t~nondet58; 25#L698true assume !(0 != test_~tmp___0~2); 3#L698-1true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 114#L708true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 126#L716-1true assume !(0 != ~pumpRunning~0); 155#L60true assume !(0 != ~systemActive~0); 108#L67true havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 43#L948true __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 89#L747true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 91#L747-1true [2018-11-28 11:31:22,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,025 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 11:31:22,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1666938228, now seen corresponding path program 1 times [2018-11-28 11:31:22,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:22,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:22,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:31:22,225 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:31:22,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:31:22,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:22,235 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 3 states. [2018-11-28 11:31:22,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:22,290 INFO L93 Difference]: Finished difference Result 370 states and 552 transitions. [2018-11-28 11:31:22,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:31:22,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 370 states and 552 transitions. [2018-11-28 11:31:22,298 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 242 [2018-11-28 11:31:22,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 370 states to 356 states and 537 transitions. [2018-11-28 11:31:22,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 356 [2018-11-28 11:31:22,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 356 [2018-11-28 11:31:22,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 356 states and 537 transitions. [2018-11-28 11:31:22,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:31:22,310 INFO L705 BuchiCegarLoop]: Abstraction has 356 states and 537 transitions. [2018-11-28 11:31:22,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states and 537 transitions. [2018-11-28 11:31:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2018-11-28 11:31:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-28 11:31:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 534 transitions. [2018-11-28 11:31:22,345 INFO L728 BuchiCegarLoop]: Abstraction has 354 states and 534 transitions. [2018-11-28 11:31:22,345 INFO L608 BuchiCegarLoop]: Abstraction has 354 states and 534 transitions. [2018-11-28 11:31:22,345 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:31:22,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 354 states and 534 transitions. [2018-11-28 11:31:22,349 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 240 [2018-11-28 11:31:22,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:31:22,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:31:22,350 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,350 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,350 INFO L794 eck$LassoCheckResult]: Stem: 758#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 591#L-1 havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10; 592#L998 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 601#L1006 main_#t~ret63 := valid_product_#res;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 619#L850 assume 0 != main_~tmp~10; 689#L824 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 690#L747-1 [2018-11-28 11:31:22,351 INFO L796 eck$LassoCheckResult]: Loop: 690#L747-1 assume !false; 707#L679 assume test_~splverifierCounter~0 < 4; 744#L680 test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 745#L688 assume !(0 != test_~tmp~8); 765#L688-1 test_~tmp___0~2 := test_#t~nondet58;havoc test_#t~nondet58; 605#L698 assume !(0 != test_~tmp___0~2); 567#L698-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 568#L708 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 736#L716-1 assume !(0 != ~pumpRunning~0); 768#L60 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 685#L144 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret1, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 687#L118-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 809#L92-3 assume !(0 == ~pumpRunning~0); 725#L67 havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 637#L948 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 638#L747 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 690#L747-1 [2018-11-28 11:31:22,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,351 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 11:31:22,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,414 INFO L82 PathProgramCache]: Analyzing trace with hash 558894454, now seen corresponding path program 1 times [2018-11-28 11:31:22,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,416 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:31:22,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:22,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:22,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:31:22,443 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:31:22,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:31:22,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:22,444 INFO L87 Difference]: Start difference. First operand 354 states and 534 transitions. cyclomatic complexity: 183 Second operand 3 states. [2018-11-28 11:31:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:22,520 INFO L93 Difference]: Finished difference Result 365 states and 514 transitions. [2018-11-28 11:31:22,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:31:22,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 365 states and 514 transitions. [2018-11-28 11:31:22,524 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 255 [2018-11-28 11:31:22,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 365 states to 365 states and 514 transitions. [2018-11-28 11:31:22,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 365 [2018-11-28 11:31:22,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 365 [2018-11-28 11:31:22,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 365 states and 514 transitions. [2018-11-28 11:31:22,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:31:22,529 INFO L705 BuchiCegarLoop]: Abstraction has 365 states and 514 transitions. [2018-11-28 11:31:22,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states and 514 transitions. [2018-11-28 11:31:22,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2018-11-28 11:31:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-11-28 11:31:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 514 transitions. [2018-11-28 11:31:22,540 INFO L728 BuchiCegarLoop]: Abstraction has 365 states and 514 transitions. [2018-11-28 11:31:22,540 INFO L608 BuchiCegarLoop]: Abstraction has 365 states and 514 transitions. [2018-11-28 11:31:22,540 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:31:22,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 365 states and 514 transitions. [2018-11-28 11:31:22,544 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 255 [2018-11-28 11:31:22,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:31:22,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:31:22,545 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,545 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] [2018-11-28 11:31:22,545 INFO L794 eck$LassoCheckResult]: Stem: 1437#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 1314#L-1 havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10; 1315#L998 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1319#L1006 main_#t~ret63 := valid_product_#res;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 1331#L850 assume 0 != main_~tmp~10; 1390#L824 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1391#L747-1 [2018-11-28 11:31:22,545 INFO L796 eck$LassoCheckResult]: Loop: 1391#L747-1 assume !false; 1554#L679 assume test_~splverifierCounter~0 < 4; 1553#L680 test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 1551#L688 assume !(0 != test_~tmp~8); 1547#L688-1 test_~tmp___0~2 := test_#t~nondet58;havoc test_#t~nondet58; 1545#L698 assume !(0 != test_~tmp___0~2); 1543#L698-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 1541#L708 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1423#L716-1 assume !(0 != ~pumpRunning~0); 1428#L60 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1384#L144 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret1, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 1385#L118-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1376#L92-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 1377#L956-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 1383#L961-3 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 1372#L246-9 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 1360#L246-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1325#L252-3 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1326#L96-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 1382#L67 havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1561#L948 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 1558#L747 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 1391#L747-1 [2018-11-28 11:31:22,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,546 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 11:31:22,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,590 INFO L82 PathProgramCache]: Analyzing trace with hash 222495874, now seen corresponding path program 1 times [2018-11-28 11:31:22,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,591 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:31:22,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1475801000, now seen corresponding path program 1 times [2018-11-28 11:31:22,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:27,823 WARN L180 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 11:31:30,226 WARN L180 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 11:31:30,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:31:30 BoogieIcfgContainer [2018-11-28 11:31:30,262 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:31:30,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:31:30,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:31:30,262 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:31:30,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:21" (3/4) ... [2018-11-28 11:31:30,266 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:31:30,309 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7afcd78d-4a5d-4209-a861-b3c7ddad32b0/bin-2019/uautomizer/witness.graphml [2018-11-28 11:31:30,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:31:30,310 INFO L168 Benchmark]: Toolchain (without parser) took 9498.92 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 956.0 MB in the beginning and 965.6 MB in the end (delta: -9.6 MB). Peak memory consumption was 318.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:30,310 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:31:30,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:30,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.88 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:30,311 INFO L168 Benchmark]: Boogie Preprocessor took 40.32 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:30,312 INFO L168 Benchmark]: RCFGBuilder took 640.21 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: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:30,313 INFO L168 Benchmark]: BuchiAutomizer took 8337.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 87.7 MB). Peak memory consumption was 336.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:30,314 INFO L168 Benchmark]: Witness Printer took 46.92 ms. Allocated memory is still 1.4 GB. Free memory is still 965.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:31:30,316 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.88 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.32 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 640.21 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: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8337.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 965.6 MB in the end (delta: 87.7 MB). Peak memory consumption was 336.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.92 ms. Allocated memory is still 1.4 GB. Free memory is still 965.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 365 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 365 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 480 SDtfs, 411 SDslu, 344 SDs, 0 SdLazy, 53 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 678]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=31, NULL=0, NULL=0, NULL=36, NULL=0, NULL=0, NULL=0, NULL=17, retValue_acc=0, NULL=0, NULL=0, NULL=24, retValue_acc=1, methaneLevelCritical=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b0a1401=0, tmp___0=0, NULL=0, NULL=0, NULL=23, retValue_acc=0, NULL=0, tmp=0, tmp___1=0, tmp=0, cleanupTimeShifts=4, NULL=16, NULL=29, NULL=8, tmp=1, NULL=14, tmp___0=0, NULL=39, NULL=0, systemActive=1, waterLevel=1, NULL=12, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f254db=0, NULL=0, \result=0, NULL=20, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=22, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78562e6=0, NULL=27, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cd9c1c8=0, NULL=0, tmp=1, NULL=0, retValue_acc=1, NULL=35, tmp___2=56, tmp___0=0, tmp=1, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=18, NULL=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c48f096=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a15f4b5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@407161ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2355af1c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73bfbea0=0, tmp=0, head=0, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65c800f=0, NULL=37, NULL=11, NULL=0, NULL=0, NULL=33, NULL=15, NULL=26, NULL=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@183ff8eb=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L52] int pumpRunning = 0; [L53] int systemActive = 1; [L468] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int cleanupTimeShifts = 4; [L873] int waterLevel = 1; [L874] int methaneLevelCritical = 0; [L841] int retValue_acc ; [L842] int tmp ; [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] return (retValue_acc); [L848] tmp = valid_product() [L850] COND TRUE \read(tmp) [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp___2) [L294] systemActive = 1 [L60] COND FALSE !(\read(pumpRunning)) [L67] COND TRUE \read(systemActive) [L141] int tmp ; [L144] COND FALSE !(\read(pumpRunning)) [L115] int tmp ; [L118] COND FALSE !(\read(pumpRunning)) [L89] int tmp ; [L92] COND TRUE ! pumpRunning [L238] int retValue_acc ; [L239] int tmp ; [L240] int tmp___0 ; [L953] int retValue_acc ; [L956] COND TRUE waterLevel < 2 [L957] retValue_acc = 1 [L958] return (retValue_acc); [L244] tmp = isHighWaterSensorDry() [L246] COND TRUE \read(tmp) [L247] tmp___0 = 0 [L251] retValue_acc = tmp___0 [L252] return (retValue_acc); [L94] tmp = isHighWaterLevel() [L96] COND FALSE !(\read(tmp)) [L740] int tmp ; [L741] int tmp___0 ; [L944] int retValue_acc ; [L947] retValue_acc = waterLevel [L948] return (retValue_acc); [L745] tmp = getWaterLevel() [L747] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...